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器具類
BUYER'S GUIDE
Individual opals can vary widely in appearance and quality. As diverse as snowflakes or fingerprints, each gem can differ noticeably.
FIND A JEWELER
Submit your gemstone through your local jeweler.
FIND A REPORT
Verify the information on your report matches what is archived in the GIA report database.
WHAT TO LOOK FOR
Play-of-Color Is The Most Important Quality Factor For Opal.
There are three main aspects of an opal’s quality. Color refers to background color and play-of-color. Pattern is arrangement of play-of-color. Clarity means transparency and quantity of inclusions. Play-of-color might be the most spectacular aspect of an opal’s appearance.