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.
A border of twenty old cut diamonds surround the central trio of stones in a platinum, coronet setting. A further six (three each side) diamonds are set in the shoulders, leading to a fluted, rose gold shank. Exquisite.

Accompanied by an independent jewellery report from IGR (#30306741).
Cut – Old mine cut diamonds (with four small rose cut diamonds around the centre stone. The tourmalines are cushion cuts.
Colour – The centre diamond is H. The diamonds in in the surround are G to I.

Clarity –VS2 in the centre. The diamonds in the surround are VS1 to SI2; all are clean to the naked eye.
Carat – The centre stone is approximately 1.31 carat, with a total approximate diamond weight of 2.35 carat. The total weight of the tourmalines is approximately 0.79 carat.

Circa – 1910.
Size – L (UK) or 5.5 (US). Complimentary sizing is available, can go up or down.
Measurements – The centre diamond is approximately 6.1 x 6.9mm. The head of the ring is 11.15 x 20.92mm. Sits 6.85mm from the finger.
Metal – 18k rose gold and platinum. French hallmarks.
Video – To view a video of this ring recored in daylight, please copy / paste the following link into your browser: https://vimeo.com/421044603
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