LOT 338 A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA...
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A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA (CEYLON), NO HEATThe cushion cut sapphire with blue to purple colour change estimated to weigh 9.30 carats, within a surround of old mine cut diamonds, approximately 3.50 carats total, to a tapered later 18 carat gold shankSize/dimensions: the cluster 2cm x 1.7cm, finger size P 1/2Gross weight: 11.1 gramsOffered for sale with a Gemmological Certification services Sapphire Report, 5782-1839, Date 30.05.2022, stating:Colour Blue, in daylight Purple, in incandescent lightVariety Colour-change sapphireOrigin Sri Lanka (Ceylon)Comment No indications of heating品相报告: The sapphire measures 11.6mm x 10.23mm x 8.25mm. It has abrasion to the crown facet edges, some small chips. The sapphire has a small healed fracture to one side. The diamonds are bright and lively, varying colour, I+, clarity mostly around VS. The setting is possibly a reproduction of the original period setting, the shank is later, London 1975. Some wear to the setting commensurate with occasional use.
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Donnington Priory Oxford Road Donnington Newbury Berkshire RG14 2JE
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