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DIAMOND SOURCING

Loose Lab-Grown Diamonds

Center stones, matched pairs and calibrated melee for jewelry projects and trade sourcing.

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Oval-cut loose diamond held in tweezers

What We Supply

Faceted stone with a distinct curved outline held in tweezers

Center Stones

Select the outline, proportions and measurements around your setting.

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A photographed pair of tapered baguette loose diamonds

Matched Pairs

Match dimensions, color and face-up appearance for a balanced pair.

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A parcel of small transparent loose stones

Calibrated Melee

Define the size range and quantity for pavé and accent settings.

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Shapes for Your Design

One round brilliant loose stone in tweezers; circular outline, radial triangular facets.

Round

One oval brilliant loose stone resting on textured charcoal fabric; continuous oval outline.

Oval

One rectangular loose stone with clipped corners and long parallel step facets.

Emerald

One colorless-appearing elongated rectangular loose stone with clipped corners and dense brilliant facets, held in tweezers.

Radiant

One pear brilliant loose stone held in tweezers; one pointed end and a rounded opposite end.

Pear

One marquise loose stone on tree-bark/feather background; two sharp opposite points and convex sides.

Marquise

One cushion brilliant loose stone; square outline with curved sides/rounded corners and visible broad brilliant facets.

Cushion

Find the Right Diamond

Shape
Outline and proportions
Carat
Target weight or range
Measurements
Length, width and depth
Color & Clarity
The range required for the project
Cut & Proportions
Appearance and setting fit
Growth Method
CVD or HPHT
Report
Laboratory and document requirements
Quantity
Individual stones, pairs or parcels

Request the supporting documents available for the stones proposed. Grading terminology depends on the laboratory, report type and stone; melee does not automatically carry individual reports.

DIAMOND DOCUMENTATION

See the Diamond. Verify the Report.

For eligible lab-grown diamonds, we can provide the corresponding IGI grading report details, stone specifications and available photographs or video before you confirm your selection.

Review the information, check the report independently and compare the proposed stone against your requirements.

Report Details

Review the available grading information.

Stone Identification

Check the report number and available inscription details.

Independent Verification

Verify the report through IGI’s official service.

Request IGI-Reported DiamondsVerify with IGI

Share Requirements → Review Stones → Verify Reports → Confirm Selection

Reports and media relate to the individual stone proposed. How to Read an IGI Report

Trade Sourcing

Source stones independently or alongside a jewelry project. Matching, calibrated sizes and repeat requirements are reviewed against your specification.

Learn About Diamond Matching · Explore CVD & HPHT

Request Current Availability

Send the shape, weight or dimensions, quantity and report requirements you are looking for.

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