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A 1.38 CARAT BURMA NO HEAT RUBY AND DIAMOND RING in 18ct yellow gold, the oval cut ruby encircled by round cut diamonds totalling 1.0 carats, unmarked, size N / 7, 4.6g. Accompanied by a gemmological report stating the ruby is of Burmese (Myanmar) origin, with no indications of heat treatment.
A 2.85 CARAT COLOMBIAN EMERALD RING, TIFFANY & CO in 18ct yellow gold, set with a step cut emerald of approximately 2.85 carats, signed Tiffany & Co, stamped 750, size N / 6.75, 9.9g. Accompanied by a gemmological report stating the emerald is of Colombian origin and shows indications of moderate clarity enhancement.
A PERIDOT AND DIAMOND RING, MAUBOUSSIN in 18ct yellow gold, the abstract design set with a pear cut peridot accented by four graduated round cut diamonds totalling 0.50 carats, within naturalistic surround, signed Mauboussin Paris and numbered, French assay marks, size K / 5, 10.4g.
AN ART DECO COLOMBIAN EMERALD AND DIAMOND RING in platinum, the step cut emerald of 4.38 carats encircled by round cut diamonds, with baguette diamond jewelled shoulders, stamped PT999, size I / 4, 10.3g. Accompanied by a gemmological report stating the emerald is of Colombian origin with indications of insignificant to minor clarity enhancement.
A 4.50 CARAT BURMA NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the 4.50 carat oval cut sapphire encircled by round and tapering baguette cut diamonds totalling 1.70 carats, full British hallmarks, size O / 7.5, 9.1g. Accompanied by a gemmological report stating the sapphire is of Burmese (Myanmar) origin with no indications of heat treatment.

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