H.Stern 18K gold rainbow multicolor gemstone tennis bracelet with box

Authentic vintage H Stern 18K gold rainbow multicolor gemstone tennis bracelet with box. Bought in Rio de Janeiro in the late 1980’s. Since then it has been worn very few time and always stored in it's box - as a result it is in amazing pre-owned condition. There are 24 square/princess cut semi precious gemstone. Markings 750 (18K gold). And MG 830 hallmark, which was a mark used during the 1980s that refers to the mine in Brazil where the gemstones were mined, in this case mine 83 in Minas Gerais, (Brazil). Length is 8.75 inches. Weight 12 grammes. Come with original box.