Green Tourmaline and Diamond Ring, Hallmark Birmingham 1973 Diamond Rings 90 carats and the kite

90 carats and the kite shaped amethyst is approximately 1

They measure 3/4 inch

They measure 14

70 carats it is surrounded by 3 rows of bright white diamonds

Green Tourmaline and Diamond Ring, Hallmark Birmingham 1973 Diamond Rings 90 carats and the kitePR464 The emerald cut green tourmaline is approximately 2. 60 carats with diamond shoulders. 2 diamonds approximately 0. 02 carats each and 12 diamonds approximately 0. 01 carats each = 0. 16 carats in total. Set in 18 carat white gold with an 18 carat yellow gold band. The setting measures 18. 10 mm across x 10. 77 mm, The ring size is N 1 2 but we have a superb jeweller who can resize without a trace. Weight 5. 03 grams