850 thousandth platinum ring set with an octagonal... Lot 188
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850 thousandth platinum ring set with an octagonal claw-set sapphire set on a square plate framed by old-cut diamonds in a pearl setting. Sapphire weight: approx. 4.80 cts. Accompanied by a World Gemological Institute certificate no. WGI9624145253 dated 05-19-2023, attesting that the sapphire is from Sri Lanka (formerly Ceylon), and that no thermal modification or treatment has been observed. Gross weight: 6.70 g. - TDD : 57.
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