Gatsby Jewellery Ltd has dated this piece to the 1920s.
The centre stone is secured in an eight-claw coronet setting and is flanked on either side by a pair of high white 0.30 carat (approx.) old cut diamond (also set in platinum), leading to a slim and tapering 18k yellow gold shank.
Accompanied by a ruby report from The Gem & Pearl Laboratory stating the ruby shows no evidence of heat treatment, and originates from Thailand.
Cut – Oval cut ruby with old European cut diamonds.
Colour – The diamonds are H to I.
Clarity – The ruby is clean to the naked eye. The diamonds are SI1
Carat – The ruby is 1.33 carat. Each diamond is approximately 0.30 carat.
Circa – 1920.
Size –P 1/2 (UK) or 7.75 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The ruby is 7.7 x 6.3mm. From the edge of one outer diamond to the other is 16.1mm. Sits 4.5mm from the finger.
Metal – Stamped PLAT 18CT – indicating platinum and 18k yellow gold – and tests as such.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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
Art Deco 1.33 Carat Natural Ruby & Old Cut Diamond Trilogy Ring, Circa 1920
