Gatsby Jewellery Ltd has dated this piece to the 1930s.
The diamond is secured in a platinum six claw coronet collet with platinum shoulders either side featuring cross-hatched detailing, to a slim

Cut – Old mine cut.
Colour – G.
Clarity – VS2.
Carat – Approximately 0.20.
Circa – 1930.
Size – N 1/2 (UK) or 6.75 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is approximately 3.75 x 3.5mm and sits 5.5 from the finger.
Metal – 18k yellow gold & platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
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