Diamond
Cut performance, carat weight, color, clarity, proportions, fluorescence, and laboratory documentation.
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NUMISTRENDS GEMSTONE GUIDE
Understand the stone
before the price.
Use photographs to assess appearance, then compare measurements, treatment disclosures, and laboratory reports.
Tell us what you are looking forKNOW WHAT TO COMPARE
What matters for
each gemstone.
Compare color, cut, clarity, treatment, origin claims, and documentation for each stone.
Emerald
Compare emerald color, transparency, disclosed treatments, fissures, durability, and any origin report.
Compare the important detailsSapphire
Compare sapphire hue, tone, saturation, color zoning, heat treatment, cut, origin evidence, and appearance in different light.
Compare the important detailsRuby
Compare ruby color, transparency, treatments, fluorescence, origin evidence, and laboratory wording.
Compare the important detailsBEFORE YOU COMPARE
Check treatments and
laboratory reports.
Our treatment and laboratory-report guide explains the terms you may see in a listing. The Trust Center covers NumisTrends disclosures, privacy, and marketplace links.
A BETTER COMPARISON
Compare the stone
and its documentation.
- 01IdentifyConfirm the stone type, variety, weight, dimensions, cut, and stated origin.
- 02Check disclosuresLook for treatments, laboratory reports, known repairs, and limits in the available information.
- 03CompareUse similar stones with similar qualities instead of broad averages or a single asking price.
- 04Review the offerLook for clear images, readable reports, return terms, and a price tied to the specific stone.
GEMSTONE REQUEST
Tell us what you want to find.
Share the stone, budget, timing, and preferred qualities. We’ll reply with matching availability or any details we need.