Edwardian diamond set platinum negligee necklace, marked 800 to the clasp. Approx chain length 40 cm, chain width 0.9 mm, diamonds 15x rose cut supporters, old mine cut 1@ 4 mm =0.26ct, 4.9 mm = 0.42ct estimated, item weight 4.7 grams, tests as platinum, necklace, marked 800 to the clasp. Approx chain length 40 cm, chain width 0.9 mm, diamonds 15x rose cut supporters, old mine cut 1@ 4 mm =0.26ct, 4.9 mm = 0.42ct estimated, item weight 4.7 grams, tests as platinum