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Auction: 26052 - Jewellery & Objets de Vertu
Lot: 2

AN ART DECO UNHEATED SAPPHIRE AND DIAMOND CLUSTER RING
Of octagonal target design, centred with a cushion-shaped natural unheated blue sapphire within a double border of old-cut diamonds.
Tests as platinum
Unmarked
Size/dimensions: ring size P (US 8)
Gross weight: 5.60g


Accompanied by GCS report no. 5787-0595 dated 3rd November 2026, stating basaltic deposit origin, unheated sapphire approx. 0.80ct.


The sapphire displays natural colour zoning and some wear to the facet edges and small scratches to the facet edges. The diamonds are all present and well matched. The shank shows signs of previous repair/resizing. Otherwise the setting shows light wear, and the ring is offered in very good condition.


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Estimate
£2,000 to £3,000

Starting price
£1600