STEP 01 // PARCEL SELECTION
Request Active Holdings
Review current gemstones in the Visual Gallery or submit project dimensions, species, and color targets for bespoke bench sourcing.
04 / B2B Trade & Bench Sourcing
Wholesale Loose Gemstones & Trade Memo
Direct trade supply of forensically verified natural colored gemstones and period estate mountings for custom goldsmiths, private jewelers, and collectors across North America.
Standard Deliverable Format
Laboratory Specimen Dossier
Every trade parcel ships with an empirical baseline sheet so your bench has exact girdle, depth, and optical metrics before setting.
Quantitative Baseline Sheet
Verified Physical & Optical Parameters
Eliminate recutting surprises and undisclosed treatments. Each parcel is independently tested in-house prior to trade release.
| Refractive Index (RI) | Critical-angle verified; birefringence & optic sign logged |
| Specific Gravity (SG) | Hydrostatic Archimedes density concordance |
| Spectral Profile | 400–700 nm visible absorption curve & chromophore ID |
| Microscopy (10x–60x) | Darkfield inclusion map & thermal treatment screening |
| Seat & Culets | Exact L × W × D mm measurements for CAD & hand-fabricated bezels |
Acquisition Workflow
How Trade Memo Works
STEP 02 // 5-DAY BENCH REVIEW
In-Person Client & Loupe Inspection
Approved trade accounts receive parcels via tracked, insured courier with full laboratory dossiers for a 5-business-day client presentation and bench check.
STEP 03 // SETTLEMENT OR RETURN
Transparent Wholesale Invoicing
Retain the pieces your client approves under net trade invoicing, and return any unselected stones in original sealed condition.
Core Stock & Sourcing
Primary Trade Categories
Corundum & Spinel
Parti-color, teal, Montana, and Ceylon sapphires alongside unheated Burma and Mahenge spinels vetted for natural color zoning.
Period Mountings & Old-Cut Stones
Edwardian, Art Deco, and mid-century platinum and gold settings plus old European and cushion-cut stones for restoration work.
Trade Accounts & Bench Sourcing
Request Current Stock Lists or Open a 5-Day Memo
Send your business credentials, target species, and millimeter seat dimensions directly to the sourcing desk for current availability and insured memo terms.