Gatsby Jewellery Ltd has dated this piece to the 1920s.
The stone is secured in a four claw platinum collet with ornate detailing in the gallery, and flanked by a pair of matching cushion shaped old mine cut diamonds. Utterly mesmeric.
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 – Cushion cut sapphire with old mine cut diamonds.
Colour – The diamonds are J.
Clarity – The sapphire is loupe clean. The diamonds are SI1 to SI2.
Carat – The sapphire is a known 7.13 carat. The diamonds are 0.57 carat and 0.54 carat.
Circa – 1920.
Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can go up or down.
Measurements – The sapphire is 12.6 x 10.6mm. From the outer edge of one diamond to the other is 16.9mm and sits 7.5mm from the finger.
Weight – 6.6 grams.
Metal – Platinum. Tested.
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 7.13 Carat Sapphire & 1.11 Carat Old Cut Diamond Trilogy Ring, Circa 1920
