The Sapphire Etsy Listing Video

America's Most Precise Sapphire Cutting

U.S.–processed Montana sapphires cut with world-first robotic technology developed by GIA-recognized master jeweler Kiwon Jang. Unmatched brilliance. Scientific precision. Consistent supply. Wholesale-exclusive pricing.

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World-First

Robotic Cutting Technology

The Sapphire is the first U.S. supplier using a robotic cutting system engineered by GIA-recognized master jeweler Kiwon Jang. Our Jang 1024 machine delivers precision beyond human capability.

World-First

U.S.–Based Processing

for Reliable Supply

All stones are cut and processed in our New Jersey facility—no outsourcing, no overseas delays, no quality inconsistency. Fast, consistent restocking for wholesalers.

U.S.–Based Processing

Ethical Mining,

Fair Compensation

Our Montana sapphires are sourced responsibly with fair wages, safe conditions, and environmentally conscious practices. Beauty with integrity.

Ethical Mining,

Your Trusted Partner

What Makes Our Sapphires Different

Scientifically Engineered Brilliance

Every sapphire is cut to mathematically ideal angles based on sapphire's refractive index (1.76) and critical angle (34.62°) to maximize brilliance.

Precision Down to 0.05 mm

Using the Jang 1024 robotic system, each facet is shaped perfectly—no windowing, no fish-eye effect, no inconsistency.

High-Volume Production Capacity

2,000–4,000 melee per day (1–3 mm), 400–800 stones (3.5–10 mm), 100–200 stones (>10 mm). Ideal for professional jewelers and manufacturers.

Consistent Beauty in Every Cut

Uniform brilliance and symmetry across batches—perfect for matched pairs and multi-stone pieces.

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The Sapphire

My role as a master jeweler is not to change the stone, but to honor what nature already perfected.

Kiwon Jang, Master Jeweler at The Sapphire

Honored by the GIA for his incredible accomplishments

Introducing Kiwon Jang, a distinguished gem expert endowed with profound knowledge of optimal numerical values for various gemstones. Leveraging this expertise, he pioneered the invention of a cutting-edge machine capable of accurately inputting and processing these values. Diverging from human limitations, his robotic creation meticulously translates the optimal dimensions and precise cutting techniques from raw stones, birthing gemstones that radiate with unparalleled luminosity. This synergy of human expertise and robotic precision redefines the boundaries of gemstone craftsmanship at The Sapphire.

In 2012, Kiwon was honored by the GIA for his incredible accomplishments and contributions to the world of gemstone cutting. He was a true master of his craft, and his legacy inspired generations of jewelers and gem cutters. For Kiwon, there was no greater joy than creating something beautiful and extraordinary out of a simple gemstone, and his passion and talent shone through in every piece he crafted.

Years
30+
Clients
10,000+

How to Become a Wholesale Partner

Here, you can find information about our registration process and how to get a wholesale price. We aim to cultivate a jewelry trend through collaborative partnerships with you.

Step 1 — Submit Application

Fill out the form at the top of the page.

Step 2 — Verification (24–48 Hours)

Our team verifies your business and wholesale eligibility.

Step 3 — Receive Pricing & Catalog

Get access to wholesale pricing, parcels, and restock alerts.

Step 4 — Dedicated Support

We assist with stone selection, color matching, and bulk orders.

Frequently asked questions

Ready to Partner With Us?

Gain access to exclusive wholesale pricing and precision-cut sapphires, hand-selected by master jewelers and crafted to the highest standards in the U.S.

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