GENTS 18KT. YELLOW GOLD AND BLACK OPAL RING:The ring contains an oval cabochon cut black opal set vertically in a multiple prong bezel. The opal measures 18.23 X 14.35 X 4.83mm and has a bright, small patch pattern with a 15% lighter oval area off-center. The high polished ring has raised ribs which extend into a prongs. The mounting measures 20.47mm at the top and tapers to 5.92mm at the back of the shank. The shank is double stamped "ED 18K" on the inside. Size 9 3/4. Gross weight 17.90 grams.
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