White gold brooch with brilliants and diamonds Beginning of 20th century. Gold, 585 hallmark, white gold. 7 Natural brilliants and 52 natural rose cut diamonds. 5 Diamonds - round, the old diamond cut, 1.8 ct, 4.4-4.7 mm, purity - SI-I1, nearly colorless (GIA H-I). Symmetry and proportions - mediocre. Weight 9.27 g, 33.9x19 mm