Beautiful Vintage Ring in 18K Gold, 18K Gold Stamped Beautiful Colour of Ametrine, The size of Ametrine is 14.90mm x 10.00mm x 6.50mm approximately... Weight of Ametrine : Cts. 6.00 approximately. Total Weight of Ring: 7.41 Grams Stamped for Gold 18K and for Brand can be seen in Pictures... Stamp of Brand is not exactly readable... Colour of Ametrine is appearing different in different lights... It's a brilliant combination of Purple and Yellow... Buyer can get this Ring fully insured.