Gatsby Jewellery Ltd has dated this piece to the 1960s.

Accompanied by an independent jewellery report from IGR (#30308317).
Gemstones (all carat weights are approximate):
Diamonds, eight-cuts, 0.02 carat.
Citrine, square mixed cut, 0.31 carat.
Topaz, rectangular mixed cut, 0.20 carat

Red garnet, trillion cut, 0.24 carat.
Green garnet (tsavorite), pear cut, 0.23 carat
Iolite, oval cut, 0.10 carat.
Orange topaz, pear cut, 0.19 carat.
Pink topaz, pear cut, 0.18 carat.
White topaz, round cut, 0.03 carat

Cubic zirconia, round cut, 0.06 carat
Circa – 1970.
Size – O (UK) or 7 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is 15.7 x 12mm and sits 5mm from the finger.
Meal – 14k gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1960s.
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