Gatsby Jewellery Ltd has dated this piece to the 1960s.
The stone is rubover set in 18k white gold and surround by ten round brilliant cut diamonds. The cluster sits nice and low to the finger, with distinctive bow detailing in the shoulders, leading to a triple-wire 18k white gold shank.
Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.
Cut: Oval cut sapphire and round brilliant cut diamonds.
Colour: The diamonds range from G to J.
Clarity: The sapphire is eye-clean. The diamonds range from VS2 to SI2; all are eye-clean.
Carat: The sapphire is approximately 2.50 carat. The total approximate diamond weight is 1.00 carat.
Circa: 1965.
Size: P 1/2 (UK) or 7 3/4 (US). Free sizing available.
Measurements: The sapphire is 9.2 x 7.5mm. The head of the ring is 17.15 x 14.5mm and sits 4.8mm from the finger.
Weight: 5.71 grams.
Metal: 18k white gold. Tested with a Niton DXL Precious Metal Analyzer.
Video: To view videos of this ring recorded in daylight, please copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/mid-century-2-50-carat-unheated-ceylon-sapphire-diamond-cluster-ring-circa-1965
Gatsby Jewellery Ltd has dated this piece to the 1960s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page
Mid Century 2.50 Carat Unheated Ceylon Sapphire & Diamond Cluster Ring, Circa 1965
