VAN CLEEF & ARPELS. Exceptional and very attractive approximately 300 ct matching color of Burma ruby not heated on a yellow-gold diamond necklace. Signed Van Cleef & Arpels, accompanied by ALG certificate. Circa 1970. Composed of four rows of burma ruby beads not heated enhanced by three “flowers” yellow-gold motifs, each one set by twelve oval shaped burma rubies and one cabochon highlighted with brilliant-cut diamonds. Signed Van Cleef & Arpels and numbered N.Y. 42365. Circa 1970. The necklace is accompanied by a A.G.L. (American Gemological Laboratory) certificate No.8088746, Dated 15 February 2019, stating that the rubies are of Burmese origin, not heated. A random selection in excess of 50% of the following gemstone has been tested. Length ext: 54 cm. Weight: 111.8 g.