
Natural Diamonds, Specified the Trade Way
Round, fancy, melee, calibrated, paired, and documented stones for the trade.
Natural diamonds for jewelers, wholesalers, retailers, and manufacturers.
SRX supports center stones, melee, parcels, pairs, layouts, and repeat programs.

Sourcing Categories, Clearly Framed
The main categories buyers ask us to review.
Documented natural diamonds
Natural diamonds with grading reports when available.
Round brilliant natural diamonds
Round diamonds by size, make, color, clarity, and spread.
Fancy shape natural diamonds
Oval, emerald, cushion, pear, radiant, princess, marquise, asscher, and heart.
Natural diamond melee
Full cut, single cut, fancy melee, and production parcels.
Calibrated natural diamonds
Repeatable size and quality ranges for production and retail needs.
Matched pairs and layouts
Earrings, side stones, three-stone layouts, bracelets, and line work.
Larger and special request diamonds
Larger stones, unusual sizes, and client-driven requirements.
Commercial and fine goods
Commercial and fine goods by intended use and quality band.
SRX Product Ranges
Common ranges from SRX manufacturing history.
Non-report round
0.005 ct to 3.00 ct
IF to PK
D-H, I-J, K-L
Non-report fancy shape
0.005 ct to 3.00 ct
VVS to PK
D-H, I-J, K-L
Documented round
0.18 ct to 3.00 ct
IF to SI2
D-M
Documented fancy shape
0.30 ct to 3.00 ct
IF to SI2
D-M
Fancy color
0.20 ct to 5.00 ct
IF to I2
Fancy color
Documented, Non-Report, and Assortment Programs
Focused categories for professional buyers.
01
Documented round brilliant
Round brilliant lanes from 0.01 ct to 5.00 ct, D-M color, and IF-I3 clarity.
02
Documented fancy shapes
Fancy-shape lanes from 0.30 ct to 3.00 ct with major lab reports.
03
Non-report natural diamonds
Round and fancy-shape goods from 0.01 ct to 3.00 ct.
04
Assortment programs
Microscope-assorted parcels, calibrated programs, Hearts & Arrows, and color programs.
How We Qualify Requests
The tighter the memo, the better the response.
- Shape
- Carat weight or size range
- Color range
- Clarity range
- Cut or make preference
- Grading report preference
- Fluorescence preference
- Quantity
- Budget or target range
- Delivery timing
- Intended use
- Treatment, origin, or documentation restrictions
Natural Diamond Disclosure
Natural diamonds are formed by natural geological processes.
Documentation, treatment information, pricing, and terms are handled through the trade desk.
Send a Natural Diamond Request
Shape, size, quality, timing, and target range are enough to begin.