This Art Deco brooch, a beacon of elegance from around 1930, captivates with its timeless design, featuring abstract motifs and geometric forms. Crafted with exceptional craftsmanship in platinum and 14K white gold, it centers an old brilliant cut diamond of approximately 0.30ct, complemented by 16 old mine brilliant cut diamonds. The addition of 72 rose cut diamonds, veiled in mystery due to their unknown weight, enriches its allure. With a total of 90 diamonds, this brooch is not just a piece of jewellery but a legacy of heritage, marked by Dutch hallmarks, echoing a story of luxury and historical significance. Antique jewelry object group brooch Condition very good condition Country of origin unknown Style Art Deco Style specifics Abstract motives and geometrical forms are quite typical for the Art Deco period. Period ca. 1930 Material platinum and 14K white gold (touchstone tested) Extra information: This brooch has been bought in the mid 1980's at Simons Antique Jewellers who had branches in The Hague and Amsterdam, The Netherlands. See the pictures for two pages from their catalogue where you can find this brooch and its selling price of 7.950 guilders (guilders were in use before the Euro). Diamonds One old brilliant cut diamond with an estimated weight of ± 0.30ct 16 old mine brilliant cut diamonds with an estimated weight of ± 0.82ct 72 rose cut diamonds . We do not have the weight of the diamonds which is normal in our trade when it comes to rose cuts. Total diamond count 90 pcs. Total diamond weight without rose cuts approx. 1.12 crt with an average colour and clarity H/J, vs/si All diamond weights, color grades and clarity are approximate since stones are not removed from their mounts to preserve the integrity of the setting. All diamonds we offer are screened by the I.J.G.C. for whether they are natural or synthetic, and all diamonds in this jewel are 100% guaranteed to be natural. Birthstones Diamond is the birthstone (or month stone) for April. Hallmarks The Dutch control marks representing the numbers 585 and the letters PT. Used for jewelry made of platinum and 14K gold that was brought to the essay office in finished condition. This hallmark was in use since 1953. Dimensions 4,14 cm (1,63 inch) x 2,40 cm (0,94 inch) see picture with a ruler in millimeters and inches Weight 11,70 gram (7,52 dwt) Adin Reference Nº 21273-0573