19x12 mm Synthetic Opal Pear Cabochon Pair 9.78 CTS Loose Gemstones. 2.92 CTS Synthetic Opal Pear Cabochon Pair 13x7 mm Loose Gemstones. 1.28 CTS Synthetic Ethiopian Opal Pear Cabochon Pair 7x5 mm Loose Gemstones.
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