Gatsby Jewellery Ltd has dated this piece to the 1910s.
The stone displays a distinct light lemon-y yellow hue, and is secured in a beautifully crafted platinum eight-claw collet which sits within a slim and tapering 18k yellow gold shank.

Accompanied by an independent jewellery report from IGR (#30309740).
Cut – Old mine cut.
Colour – Light yellow (O).
Clarity – SI1.
Carat – 1.03
Circa – 1915.
Size – 0 (UK) or 7 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is approximately 6.4 x 5.9mm and sits 4.8mm from the finger.
Metal – 18k yellow gold and platinum. Tested.
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