Luxury Diamonds Made Simple

Streamline Your Engagement
with CarbonKarat.

Streamline Your
Engagement
with CarbonKarat.

Streamline Your
Engagement
with CarbonKarat.

The smarter way to buy lab-grown diamond engagement rings.

Select Your Diamond

Select Your Diamond

Learn More

Learn More

3 Easy Steps

3 Easy Steps

Spec Promise Certified

Spec Promise Certified

Spec Promise Certified

100's of Glowing Reviews

100's of Glowing Reviews

100's of Glowing Reviews

CarbonKarat was a life-changing discovery after weeks of diamond searching! We're thrilled with the engagement ring.

Ava Moreno

NovaTech Solutions

I had a budget in mind, but managed to spend slightly under budget AND also a classic ring with a 3 carat diamond instead of the 2 carats. 🤯

Ethan Sawyer

Apex Digital Ventures

Purchasing was effortless! Other online options were overwhelming, but CarbonKarat simplified the decision-making process.

Dylan

5 Carats | Emerald

CarbonKarat was a life-changing discovery after weeks of diamond searching! We're thrilled with the engagement ring.

Ava Moreno

NovaTech Solutions

I had a budget in mind, but managed to spend slightly under budget AND also a classic ring with a 3 carat diamond instead of the 2 carats. 🤯

Ethan Sawyer

Apex Digital Ventures

Purchasing was effortless! Other online options were overwhelming, but CarbonKarat simplified the decision-making process.

Dylan

5 Carats | Emerald

WHY CArbonkarat

3 Steps & Zero Stress.
Maximum Sparkle.

Choose your carat, shape, and size—we'll handle the rest.
No guesswork. Just diamonds that crush 99% of the competition.

Step 1

Select Carat

Pick a carat size (1–6) that fits your budget — we’ve ensured every option delivers uncompromising quality and brilliance.

1 Carat

2 Carats

3 Carats

Most Popular

4 Carats

5 Carats

Step 1

Select Carat

Pick a carat size (1–6) that fits your budget — we’ve ensured every option delivers uncompromising quality and brilliance.

1 Carat

2 Carats

3 Carats

Most Popular

4 Carats

5 Carats

Step 1

Select Carat

Pick a carat size (1–6) that fits your budget — we’ve ensured every option delivers uncompromising quality and brilliance.

Step 1

1 Carat

2 Carats

3 Carats

Most Popular

4 Carats

5 Carats

Step 2

Select Diamond Shape

Choose from the top 3 diamond shapes. Love the classic round cut? So do 75% of buyers—but the best shape is the one that speaks to you.

Round

Most Popular

Oval

Emerlad

Step 2

Select Diamond Shape

Choose from the top 3 diamond shapes. Love the classic round cut? So do 75% of buyers—but the best shape is the one that speaks to you.

Round

Most Popular

Oval

Emerlad

Step 2

Select Diamond Shape

Choose from the top 3 diamond shapes. Love the classic round cut? So do 75% of buyers—but the best shape is the one that speaks to you.

Step 2

Most Popular

Round

Oval

Emerlad

Step 3

Select Ring Size

Select your ring size with confidence. Use our sizing guide to avoid resizing later—because getting it right the first time matters.

3.0 (44.2mm)

Small

— 14 Sizes Total —

10.0 (62.1mm)

Large

Step 3

Select Ring Size

Select your ring size with confidence. Use our sizing guide to avoid resizing later—because getting it right the first time matters.

3.0 (44.2mm)

Small

— 14 Sizes Total —

10.0 (62.1mm)

Large

Step 3

Select Ring Size

Select your ring size with confidence. Use our sizing guide to avoid resizing later—because getting it right the first time matters.

Step 3

3.0 (44.2mm)

Small

— 14 Sizes Total —

10.0 (62.1mm)

Large

Done!

All Set

We craft the dream ring for your chosen diamond, custom-made & delivered in 4–6 weeks. Each ring is proposal-ready & accompanied by IGI certification.

10.0 (62.1mm)

Ring Size

Round

3 Carats

Done!

All Set

We craft the dream ring for your chosen diamond, custom-made & delivered in 4–6 weeks. Each ring is proposal-ready & accompanied by IGI certification.

10.0 (62.1mm)

Ring Size

Round

3 Carats

Done!

All Set

We craft the dream ring for your chosen diamond, custom-made & delivered in 4–6 weeks. Each ring is proposal-ready & accompanied by IGI certification.

Done!

10.0 (62.1mm)

Ring Size

Round

3 Carats

OUR Secret Sauce

Your Diamond Hunt Ends
with CarbonKarat.

Seal the Deal

Seal the Deal

With CarbonKarat

Curated Simplicity

Take the guesswork out of quality diamond shopping with our industry leading CarbonKarat Spec Promise.

Other Retailers

Unfiltered Fatigue

Overloaded with endless diamond options across various retailers, forcing you to become a diamond expert overnight.

With CarbonKarat

Diamond Expertise

We've distilled decades worth of diamond knowledge & best practices into curating the best value and sparkle your money can buy.

Other Retailers

50 Shades of Diamonds

…and they're not all created equal. Sifting through the clutter to find your diamond in the rough takes times & industry knowledge.

With CarbonKarat

All-Inclusive Pricing

Our preset diamonds are all inclusive (diamond, ring & certification) so you can maximizing your budget. Absolutely no add-ons, no surprises.

Other Retailers

Endless Variables & Upsells

Too many options, too many variables that are difficult to distinguish.

With CarbonKarat

Fair & Transparent

We update our pricing based on adaptive market rates, ensuring you always get the most competitive price and maximize your budget.

Other Retailers

Hidden Markups

Delays and rushed deliveries can impact your project's overall success.

With CarbonKarat

Timeless Designs

The classic solitaire setting—elegant, timeless, and designed to showcase your diamond, ensuring your ring never goes out of style.

Other Retailers

Fleeting Trends

Trends come and go, don't let your one of your most important decision be a victim of fleeting style.

OUR Secret Sauce

Your Diamond Hunt Ends
with CarbonKarat.

Seal the Deal

With CarbonKarat

Curated Simplicity

Take the guesswork out of quality diamond shopping with our industry leading CarbonKarat Spec Promise.

Other Retailers

Unfiltered Fatigue

Overloaded with endless diamond options across various retailers, forcing you to become a diamond expert overnight.

With CarbonKarat

Diamond Expertise

We've distilled decades worth of diamond knowledge & best practices into curating the best value and sparkle your money can buy.

Other Retailers

50 Shades of Diamonds

…and they're not all created equal. Sifting through the clutter to find your diamond in the rough takes times & industry knowledge.

With CarbonKarat

All-Inclusive Pricing

Our preset diamonds are all inclusive (diamond, ring & certification) so you can maximizing your budget. Absolutely no add-ons, no surprises.

Other Retailers

Endless Variables & Upsells

Too many options, too many variables that are difficult to distinguish.

With CarbonKarat

Fair & Transparent

We update our pricing based on adaptive market rates, ensuring you always get the most competitive price and maximize your budget.

Other Retailers

Hidden Markups

Delays and rushed deliveries can impact your project's overall success.

With CarbonKarat

Timeless Designs

The classic solitaire setting—elegant, timeless, and designed to showcase your diamond, ensuring your ring never goes out of style.

Other Retailers

Fleeting Trends

Trends come and go, don't let your one of your most important decision be a victim of fleeting style.

Diamond Specs

We Handle the Specs.
You Focus on the Moment.

With 40+ years of family expertise, we handpick VS+ clarity stones that deliver unmatched beauty, value, and brilliance. Leave the details to us, and focus on planning the perfect “yes.”

Ideal Cut

Ideal+ Cut

Diamonds that sparkle like no other—perfectly cut for brilliance, fire, and beauty you can see from across the room.

Colorless Diamonds

F+ Color

We handpick only F Color (and above) diamonds for a pristine, colorless look that’s nothing short of stunning.

Eye-Clean Clarity

VS+ Clarity

Our VS clarity diamonds are flawless to the naked eye—tiny inclusions, big value, zero compromises.

IGI Certified Brilliance

Lab Tested

Every CarbonKarat diamond is IGI-certified & laser inscription, ensuring full transparency specs.

Timeless Setting

14k White Gold

A 14k White Gold Solitaire that’s sleek, polished, and timeless—crafted to showcase your diamond’s brilliance.

Diamond Cuts

Popular Diamond Shapes

Popular Diamond Shapes

Round

Oval

Emerald

Round

Oval

Emerald

Round

Oval

Emerald

The Yes Club

100's of Lovebirds
Swoon Over CarbonKarat.

CarbonKarat simplified the process of purchasing an engagement ring for my fiancé.

Jamie

2 Carat | Oval

I had a budget in mind, but managed to spend slightly under budget AND also a classic ring with a 3 carat diamond instead of the 2 carats. 🤯

Nick

3 Carat | Oval

Purchasing was effortless! Other online options were overwhelming, but CarbonKarat simplified the decision-making process.

Dylan

5 Carats | Emerald

CarbonKarat was a life-changing discovery after weeks of diamond searching! We're thrilled with the engagement ring.

Leo

3 Carat | Round

CarbonKarat truly transformed my shopping experience - so glad I didn't have to deal with pushy salespeople in-stores! Can't believe how clean the quality of this emerald diamond is.

Tyler

6 Carat | Emerald

I found the hands-off experience I was searching for! I knew the shape my finance wanted & the budget I had to spend - thrilled that CarbonKarat handled everything else.

Liam

2 Carat | Round

All-inclusive Pricing

Simple Pricing For Your
Happily Ever After.

Simple Pricing For Your
Happily Ever After.

Select your desired Carat, Shape & Ring Size.

Select your desired Carat, Shape & Ring Size.

One Carat

Budget

1 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$1,799

$3,748

vs. $6,000 for the same specs in a natural diamond

1 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 1 Carat

Two Carats

Budget

2 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$2,699

$3,748

vs. $18,000 for the same specs in a natural diamond

2 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 2 Carats

Three Carats

Popular

3 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$3,599

$3,748

vs. $49,000 for the same specs in a natural diamond

3 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 3 Carats

Four Carats

Popular

4 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$4,899

$3,748

vs. $86,000 for the same specs in a natural diamond

4 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 4 Carats

Five Carats

Premium

5 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$6,199

$3,748

vs. $149,000 for the same specs in a natural diamond

5 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 5 Carats

Six Carats

Premium

6 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$7,399

$3,748

vs. $165,000 for the same specs in a natural diamond

6 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 6 Carats

One Carat

Budget

1 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$1,799

$3,748

vs. $6,000 for the same specs in a natural diamond

1 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 1 Carat

Two Carats

Budget

2 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$2,699

$3,748

vs. $18,000 for the same specs in a natural diamond

2 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 2 Carats

Three Carats

Popular

3 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$3,599

$3,748

vs. $49,000 for the same specs in a natural diamond

3 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 3 Carats

Four Carats

Popular

4 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$4,899

$3,748

vs. $86,000 for the same specs in a natural diamond

4 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 4 Carats

Five Carats

Premium

5 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$6,199

$3,748

vs. $149,000 for the same specs in a natural diamond

5 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 5 Carats

Six Carats

Premium

6 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$7,399

$3,748

vs. $165,000 for the same specs in a natural diamond

6 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 6 Carats

One Carat

Budget

1 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$1,799

$3,748

vs. $6,000 for the same specs in a natural diamond

1 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 1 Carat

Two Carats

Budget

2 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$2,699

$3,748

vs. $18,000 for the same specs in a natural diamond

2 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 2 Carats

Three Carats

Popular

3 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$3,599

$3,748

vs. $49,000 for the same specs in a natural diamond

3 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 3 Carats

Four Carats

Popular

4 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$4,899

$3,748

vs. $86,000 for the same specs in a natural diamond

4 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 4 Carats

Five Carats

Premium

5 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$6,199

$3,748

vs. $149,000 for the same specs in a natural diamond

5 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 5 Carats

Six Carats

Premium

6 carat lab-grown diamond

CarbonKarat Spec Promise: Ideal cut, VS+ eye-clean clarity, colorless diamond, set on a custom crafted 14k white gold solitaire ring.

$7,399

$3,748

vs. $165,000 for the same specs in a natural diamond

6 Carat Lab-Grown Diamond

14k White Gold Solitaire Setting

CarbonKarat Spec Promise

IGI Certification & Laser Inscription

Free Insurance Appraisal Form

Free Insured & Expedited Shipping

Discreet Packaging

30-Day Exchange & Return Policy

$3,748

Next Steps

Choose your diamond shape

Choose your ring size

Select 6 Carats

FAQS

You Ask.
We Answer.

Need more clarity?

Message Us

What’s the turnaround time after I place my order?

Each CarbonKarat ring is handcrafted with precision and care, taking 4–6 weeks from purchase to delivery. As a family-owned business, we don’t mass produce — we perfect. Your ring is made-to-order, ensuring it’s uniquely yours and crafted to last a lifetime. Good things take time, and your dream ring is worth every moment.

What diamond certification do you offer?

How will my diamond be selected?

How discreet is the packaging?

What is your return policy?

Can you insure a lab diamond engagement ring?

More FAQ

FAQS

You Ask.
We Answer.

Need more clarity?

Message Us

What’s the turnaround time after I place my order?

Each CarbonKarat ring is handcrafted with precision and care, taking 4–6 weeks from purchase to delivery. As a family-owned business, we don’t mass produce — we perfect. Your ring is made-to-order, ensuring it’s uniquely yours and crafted to last a lifetime. Good things take time, and your dream ring is worth every moment.

What diamond certification do you offer?

How will my diamond be selected?

How discreet is the packaging?

What is your return policy?

Can you insure a lab diamond engagement ring?

More FAQ

FAQS

You Ask.
We Answer.

What’s the turnaround time after I place my order?

Each CarbonKarat ring is handcrafted with precision and care, taking 4–6 weeks from purchase to delivery. As a family-owned business, we don’t mass produce — we perfect. Your ring is made-to-order, ensuring it’s uniquely yours and crafted to last a lifetime. Good things take time, and your dream ring is worth every moment.

What diamond certification do you offer?

How will my diamond be selected?

How discreet is the packaging?

What is your return policy?

Can you insure a lab diamond engagement ring?

More FAQ

Need more clarity?

Message Us