Calibrated & Free Size
Experts in precision-cut stones and unique free size gems
Pairs & Layouts
Expertly matched stone pairs and curated layouts
I had been looking for a reliable supplier for calibrated sapphires, and I decided to go with B.V Gems. The consistency in color and cut turned out gorgeous and exceeded expectations.
Andrew Wasden
NY, US
I was looking for the perfect matched pair of sapphires. The team at BV Gems helped me source precision-calibrated stones, and the quality is simply breathtaking!
Samantha Jones
CA, US
I needed a vibrant ruby layout for a custom piece. BV Gems delivered exactly what I had envisioned. The process of selecting loose stones was completely transparent, professional, and smooth from start to finish.
Michael Lee
IL, US
For my high-end clientele, B.V Gems provided a flawless set of matched emeralds. Incredible attention to detail and precision grading. Highly recommend!
Priya Patel
TX, US
Referred by a colleague for a set of calibrated emeralds. The BV Gems experts guided me through every step, ensuring absolute consistency in cut and color. The final matched layout exceeded all expectations. Exceptional service!
David Kim
NJ, US
Backed by 6 generations of expertise, we are the trusted direct source for precision-calibrated gemstones and custom layouts for jewelers worldwide.
Generational Expertise
A fixture in NYC's Diamond District for over 75 years, supplying master jewelers and top brands across 50+ countries.
Global Ethical Sourcing
Direct relationships with mines worldwide to ensure every gemstone is conflict-free, responsible, and fully traceable.
Precision Calibration
Exact dimensions and uniform color grading for flawless setting. We manufacture in volume to guarantee consistency.
Concierge Account Management
Dedicated trade experts offering personalized memo programs, volume pricing, and priority sourcing for custom projects.
Guaranteed Authenticity
Every gemstone can be certified by independent third-party labs (GIA, IGI) upon request, ensuring complete transparency.
Unparalleled Wholesale Value
By cutting out the middlemen and manufacturing in-house, we pass on exceptional value directly to our trade partners.
Premier Wholesale Dealer in Calibrated and Free-size Natural Gemstones
From our specialty of Diamond-cut rounds to an extensive selection of fancy shapes, we're a go-to source for Natural Sapphire, Ruby, Emerald, and a wide range of semi-precious gems. B.V. Gems offers a diverse spectrum of prices & qualities, all offered in consistent sizes and standout brilliance.
Calibrated Gemstones
Precision-cut stones in standard millimeter sizes for perfect setting.
Shop CalibratedFree Size Gemstones
Unique, one-of-a-kind gemstones in custom dimensions.
Shop Free SizeMatching Pairs
Perfectly matched stone pairs for earrings and side stones.
Shop PairsColorstone Layouts
Expertly matched gemstone layouts for your custom designs.
Shop LayoutsPrecious Beads
High-quality loose beads and finished bead necklaces.
Shop Beads
Meet Our Gemstone Experts
Discover a more personal way to experience fine gemstones and jewelry. Work closely with our certified gemologists to design custom rings, earrings, pendants, bands, or bracelets—tailored just for you.