It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1910s.

Cut - Oval shaped sapphire and old single cut diamonds
Colour - Diamonds are G.
Clarity - All stone are clean to the naked eye.
Carat - The sapphire is 15.79 carat. Each of the 16 diamonds is approximately 0.01 carat.

Circa - 1910.
Condition - Excellent.
Size - M 1/2 (UK) or 6.25 (US). Complementary sizing is available, can be sized up or down.
Measurements - The head of the ring is 16.52mm by 14.08mm and sits 10.1mm from the finger,

Metal - The sapphire is in platinum (tested). The bottom half of the shank is 18k gold (marked).
Video - To view a video of this ring in natural daylight, please copy / paste the following link into your browser: https://vimeo.com/126368149
Gatsby Jewellery Ltd has dated this piece to the 1910s.
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