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 - Old European cut.
Colour - H.
Clarity - SI1. There are inclusions in the diamond, but these are neither visible to the naked eye nor impact on the vibrancy of the stone.
Carat - The central diamond is 1.51 carat, with a further 0.12 carat in the shoulders.

Circa - 1910.
Condition - Excellent.
Size - Currently M 1/2 (UK) or 6 1/4 (US). Complementary sizing is available, can be sized up or down. There is some limit to how much this can be altered, so please contact us first.

Measurements - The diamond, including the bezel, is 7.75mm in diameter and sits 5.75mm from the finger. The band is a delicate 1.75mm.
Metal - Platinum. Tested.
Video - To view a video of this ring in natural daylight, please copy / paste the following link into your browser: https://vimeo.com/110766392
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