18KTT SAPPHIRE/DIAMOND RING S=2.67 CTS; 6TB TW=APX .30 CTS; TRANSPARENT MEDIUM-DARK SLIGHTLY VIOLETISH-BLUE EC SAPPHIRE, MEAS. 7.86 X 7.04 X 4.86 MM.; SET IN A 4-POST WG HEAD; 6 TB DIAS. (3 CHANNEL-SET EACH SHOULDER), WITH A PLAIN SHANK.
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