Tiffany & Co semi-black boulder opal diamond and yellow gold pendant circa 1980.
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OPAL: one teardrop-shaped semi-black boulder opal weighing approximately 4.00 carats.
DIAMONDS: twenty round brilliant-cut diamonds totaling approximately 0.75 carat, approximately G color, VS clarity.
METAL: 18-karat yellow gold.
WEIGHT: 5.4 grams.
HALLMARKS: signed Tiffany & Co on the pendant and on the chain.
MEASUREMENTS: pendant only 20 mm long and 15 mm wide overall.
CHAIN MEASUREMENTS: 16” (40.64 cm) long overall.
CONDITION: high magnification photographs show design details, and that this Tiffany & Co. semi-black boulder opal and diamond pendant is in exceptionally good condition, all consistent with age and wear.