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RockIDRockID

Rock guide

Diamond

mineral · rare

Quick facts

Formula
C
Hardness
10
Luster
Adamantine
Colors
Colorless to fancy colors

Extremely rare as a casual field find. Visual ID from a phone photo is not sufficient.

RockID will almost never return diamond as a top match without extreme caution. Quartz, glass, and cubic zirconia fool cameras. Hardness, specific gravity, and a jeweler or lab test are required.

Scan yours

Photograph your specimen on arockid.com or in RockSnap / RockID. Three free IDs a day — no card.

Try a live scan
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On the App Store, search RockSnap. Links go live when Apple and Google approve the listing. Use the web app today — same account.