Gatsby Jewellery Ltd has dated this Art Deco Sapphire Ring to the 1920s.
The stone is secured by four yellow gold claws within a structured, geometric setting set with 16 old European cut diamonds, leading to a slim, platinum shank with double fluted detailing.

Accompanied by a report from Gemmological Certification Services (GCS) stating the sapphire shows no indications of heating, and is of Burmese (Myanmar) origin, from Mogok.
Cut: Cushion cut sapphire and old European cut diamonds.

Colour: The diamonds are F to G.
Clarity: The sapphire is eye-clean. The diamonds range from VS1 to SI1.
Carat: The sapphire is 0.77 carat. The total approximate diamond weight is 0.52.
Circa: 1920.
Size: M 1/2 (UK) or 6 1/4 (US). Free sizing available.

Measurements: The sapphire is 6.0 x 5.4mm. The ring is 11.75mm at the widest point and sits 3.7mm from the finger.
Weight: 2.96 grams.
Metal: Platinum. 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/art-deco-0-77-carat-unheated-mogok-burmese-pink-sapphire-ring-circa-1920
Item # 214414S269
Gatsby Jewellery Ltd has dated this Art Deco Sapphire Ring 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