The difference lies in value, quality, and trust.

• Value: We consistently offer prices not only below natural diamonds, but also lower than most lab-diamond retailers.
• Quality: We select only CVD-grown diamonds, certified by IGI or GIA — and re-verified in-house by our own gemologist, both the certificate and the stone itself.
• Heritage: Rooted in New York's Diamond District since 2011, we craft every piece in-house — from sourcing to setting, with no middlemen.
• Customization: Owner-made and custom-made, from classic solitaires to one-of-a-kind creations designed around your vision.

Choosing Bow Tie Lab Diamonds means choosing luxury thoughtfully priced — crafted by one hand, carried through generations, with no compromise on brilliance.

Lab-grown diamonds arereal diamondscreated in advanced laboratories that replicate the natural conditions under which diamonds form. Chemically, physically, and optically, they are identical to mined diamonds—the only difference is their origin.

Unlike mined diamonds, lab-grown stones come with transparent sourcing, modern innovation, and a price that makes brilliance more accessible. At Bow Tie Lab Diamonds, we believe this new chapter in diamond history allows us to offerluxury without compromise.

Yes—lab-grown diamonds are100% real diamonds. They are graded by the same international standards (the 4Cs: cut, color, clarity, carat) as mined diamonds. Each Bow Tie Lab Diamond iscertified by IGI or GIA,providing assurance of authenticity and quality.

When you choose lab-grown, you’re not choosing “synthetic” or “imitation.” You’re choosing a genuine diamond, refined with innovation and offered at a value unmatched in today’s market.

Lab-grown diamonds address many of the ethical and environmental concerns associated with traditional mining. They are produced without large-scale excavation, reducing land disruption and avoiding conflict sourcing issues.

While every form of production has an impact, lab-grown diamonds are widely regarded as a more responsible, forward-looking choice. At Bow Tie Lab Diamonds, we see sustainability not just as a trend, but as acommitment to the future of fine jewelry—luxury crafted responsibly for a new generation.

There are two primary methods for growing diamonds:

• HPHT (High Pressure High Temperature): an older method that mimics deep-Earth conditions. It can produce gem-quality stones but often leaves metallic inclusions and has less control over color.
  
• CVD (Chemical Vapor Deposition): a more advanced process where diamonds grow layer by layer in a plasma chamber. CVD produces larger stones with greater purity, fewer inclusions, and more consistent quality.
  

At Bow Tie Lab Diamonds, we use only CVD diamonds. This ensures the highest clarity, better color control, and a level of precision that matches our commitment to excellence. By focusing on CVD, we deliver diamonds that meet the strictest grading standards, certified by IGI or GIA.

Click below to view our Lab-Grown Diamond size guide and find your perfect fit.

View Size Guide

All Bowtie Diamond pieces are custom-made.💎
Standard designs are typically crafted in 3–5 business days, while custom pieces take about 14 business days. Once ready, every order ships via FedEx Next Day delivery — fully insured, with tracking sent the moment it's on the way.

We accept returns within 15 days of the carrier-confirmed delivery date on standard pieces. Customer-initiated returns are subject to a 20% restocking fee and a $50 return shipping fee ($100 international), deducted from your refund. Items must be returned unworn, unaltered, and in original condition with all certificates, boxes, and accessories.

If the return is our responsibility (defect, wrong item, or made incorrectly), it's fully refunded with no fees. Custom and made-to-order pieces are final sale. See our Refund Policy for full details.