CUSTOM LAB GROWN DIAMOND HOUSE

Behind Every Sparkle

Distinctive Diamond Cuts

Discover our unique and antique-cut diamonds
Star Burst Star Burst
Oval Antique Oval Antique
Hexagon Criss cut Hexagon Criss cut
Portuguese Portuguese Rose Shape Rose Shape Dutch Marquise Dutch Marquise
Rose cut Rose cut
Old Mine Old Mine
Portrait Cut Portrait Cut Step Cut Step Cut Flame cut Flame cut Engraved Engraved Shield Cut Shield Cut Old Mine Moval Old Mine Moval Pear Antique Pear Antique
Old European Old European
Pear Drop Pear Drop
Star Cut Star Cut Pear Portrait Pear Portrait Modified Criss cut Modified Criss cut

Beyond Traditional Shapes

Custom-crafted lab-grown diamonds designed through rare geometry, artistic precision, and modern innovation.

Old Mine

Vintage elegance reimagined

Geometric Cuts

Architectural precision and symmetry

Portrait Cuts

Elongated beauty and grace

Step Cuts

Clean lines and timeless sophistication

One Of A Kind

Exclusive artistry and rare design

Brilliant Cuts

Maximum fire and brilliance

A Diamond Within a Diamond

A rare fusion of light, contrast, and craftsmanship designed beyond traditional diamond artistry.

Each piece embodies architectural precision and artistic innovation. Our signature Two-Tone Diamond concept features a tiny yellow diamond embedded within a larger white diamond, creating a rare visual effect that transcends conventional jewelry design. This is craftsmanship reimagined for the modern connoisseur.

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POPULAR CREATIONS

Discover Bespoke Carat's most sought-after custom diamond cuts — precision crafted for collectors, designers, and modern luxury jewelry.

Pear Step Cut Lab Grown Diamond Matching Pair 4ct – Bespoke Carat

Pear Step Cut Lab Grown Diamond Matching Pair 4ct

$1,148.00

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Coffin Shape Portrait Cut Lab-Grown Diamond – Bespoke Carat

Coffin Shape Portrait Cut Lab-Grown Diamond

$288.00

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Rose Cut Lab Grown Diamond – Bespoke Carat

Rose Cut Lab Grown Diamond

$440.00

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Cushion Modified Ashoka Cut Lab Grown Diamond – Bespoke Carat

Cushion Modified Ashoka Cut Lab Grown Diamond

$644.00

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Dutch Marquise Cut Lab Grown Diamond – Bespoke Carat

Dutch Marquise Cut Lab Grown Diamond

$692.00

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Kite Cut Lab Grown Diamond – Bespoke Carat

Kite Cut Lab Grown Diamond

$517.00

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Lily Cut Lab Grown Diamond – Bespoke Carat

Lily Cut Lab Grown Diamond

$427.00

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Oval Modified Half Portrait Lab Grown Diamond – Bespoke Carat

Oval Modified Half Portrait Lab Grown Diamond

$354.00

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Lab Grown Diamonds

Luxury Without Excavation

Modern brilliance created beyond traditional mining.

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Craftsmanship Behind Every Diamond

Precision, technology, and expert finishing in every Bespoke Carat diamond.

Planning

Careful planning ensures ideal proportions and brilliance.

Laser Cutting

Advanced laser precision shapes every diamond flawlessly.

Polishing

Expert polishing maximizes sparkle and final perfection.

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RENEWABLE ENERGY CERTIFIED

Powered by Renewable Energy

Certified clean energy supports every stage of our lab-grown diamond production.
At Bespoke Carat, we believe the future of fine jewelry should combine innovation with responsibility. Our production facility operates using renewable energy backed by internationally recognized I-REC certification standards.
  • I-REC Certified Energy
  • Renewable Energy Powered Production
  • Sustainable Lab-Grown Diamond Manufacturing
  • Modern Responsible Craftsmanship
VIEW I-REC CERTIFICATE
Trusted by global jewelry retailers and sustainability-focused partners.
CUSTOM DIAMOND CREATION

Design Your Diamond

Share your sketch, proportions, or inspiration — and we'll transform your vision into a precision-crafted diamond.

Whether you have a hand-drawn sketch, a reference image, exact measurements, or a unique ratio requirement, Bespoke Carat can create a custom lab-grown diamond tailored to your vision. From rare antique cuts to unconventional modern shapes, every diamond is crafted with exceptional precision, symmetry, and brilliance.

  • Share sketches or inspiration images
  • Custom measurements and ratios
  • Rare and unconventional cuts
  • Precision-crafted lab-grown diamonds
START YOUR CUSTOM DESIGN
100+ Unique Diamond Cuts Bespoke Diamond Specialists Precision-Crafted Lab-Grown Diamonds Rare Fancy Shapes Antique Inspired Cuts Geometric Diamond Creations One-of-a-Kind Diamond Design
100+ Unique Diamond Cuts Bespoke Diamond Specialists Precision-Crafted Lab-Grown Diamonds Rare Fancy Shapes Antique Inspired Cuts Geometric Diamond Creations One-of-a-Kind Diamond Design

Client Experiences

Verified 5-star feedback from customers who chose Bespoke Carat for rare and custom lab-grown diamonds.

The craftsmanship is absolutely stunning. My custom oval cut exceeded all expectations. The sparkle is incredible and the communication throughout was exceptional.
Sarah
New York, USA
Bespoke Carat created the most beautiful rare cushion cut for my engagement ring. The attention to detail and personalized service made the entire experience unforgettable.
Emma
London, UK
I was looking for something truly unique and they delivered beyond my wildest dreams. The custom design process was seamless and the final piece is a work of art.
Michael
Sydney, Australia

Verified customer reviews available on Etsy.

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Trustpilot reviews

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The Bespoke Carat Promise

Precision craftsmanship, certified quality, and modern diamond innovation — crafted for collectors and luxury jewelry clients worldwide.

IGI Certified Diamonds

IGI Certified Diamonds

Every diamond certified by the International Gemological Institute

Expert Craftsmanship

Expert Craftsmanship

Handcrafted by master jewelers with decades of experience

Free Worldwide Shipping

Free Worldwide Shipping

Complimentary insured shipping to your doorstep

Secure Payments

Secure Payments

Bank-level encryption and secure checkout process

Custom Diamond Creation

Custom Diamond Creation

Bespoke designs tailored to your vision and specifications

Renewable Energy Powered

Renewable Energy Powered

Sustainably created with 100% renewable energy sources

The Bespoke Journal

Insights, craftsmanship stories, and rare diamond knowledge from the world of Bespoke Carat.

Frequently Asked Questions

Answers to common questions about Bespoke Carat lab-grown diamonds, custom creations, certification, shipping, and craftsmanship.

What are lab-grown diamonds?

Lab-grown diamonds are real diamonds created in controlled laboratory environments using advanced technology. They possess the same physical, chemical, and optical properties as natural diamonds.

Are lab-grown diamonds certified?

Yes, all Bespoke Carat lab-grown diamonds come with certification from leading gemological institutes, including detailed reports on cut, clarity, color, and carat weight.

How long does custom creation take?

Custom diamond jewelry typically takes 4-6 weeks from design approval to completion. Rush services are available for select pieces with an additional fee.

What is your shipping policy?

We offer complimentary insured shipping worldwide. All pieces are shipped in luxury packaging with full tracking and signature confirmation upon delivery.

Do you offer resizing services?

Yes, we offer complimentary resizing within the first 60 days of purchase. Additional resizing services are available for a nominal fee.

What is your return policy?

We offer a 30-day return policy for all non-custom pieces. Items must be in original condition with all documentation and packaging.

Still Have Questions?

Our team is available to help with custom diamond requests, certifications, measurements, and bespoke inquiries.
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Recognized Certification Standards

Supporting trusted diamond grading and internationally recognized certification standards.

IGI Certification
GIA Certification