A very fine 18 Carat Yellow Gold (marked) French Natural Sapphire and Diamond ring, Circa 1960

GBP 6,850.00

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Object Description

A very fine 18 Carat Yellow Gold (marked) French Natural Sapphire and Diamond ring, Centrally set with a beautiful Natural Sapphire of 2.30 Carats, Medium Blue (lightly included) with an indication of slight thermal enhancement, surrounded in a Gold swirling design by 0.17 Carats of E – F Colour, SI Clarity Round Brilliant Cut Diamonds.

French

Circa 1960

This beautiful ring is accompanied by an Independent Gemmological report confirming the above assessment.

Object History

It should be noted that indications of slight thermal enhancement are frequently found in Sapphire Jewellery made post 1915, whereas moderate to major treatments then developed as the 20th Century progressed. No treatment readings in Sapphires and particularly Rubies (of which we have several excellent examples) are scarce and as such rare.

As illustrated in the Science Museum, it has been possible to slightly heat treat Sapphires and Rubies since the Roman times and it is therefore feasible to find early Jewellery with stones, which when tested, produce an indication of slight thermal enhancement.

Object Condition

Excellent, with worn marks which are commensurate with age.

Object Details

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Saturday
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Sunday
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Dealer Contact

Telephone
+44 (0)20 7491 4948
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Dealer Location

143 Grays Antiques Centre
Downstairs
58 Davies Street
London
W1K 5LP