Antique Edwardian Old Mine European Yellow Diamond Headpiece Brooch Platinum

Antique Edwardian Pearl and Diamond Openwork Plaque Brooch, Platinum, circa 1900–1910. A superb Edwardian openwork plaque brooch crafted in platinum, dating from the early 20th cent...

Antique Edwardian Australian Lightning Ridge Harlequin Precious Black Opal and White Opal Brooch / Pendant in 18 Karat Yellow Gold, early 190...

Antique Victorian diamond floral spray brooch in silver and yellow gold, probably Portuguese, circa 1890. A dramatic jewel from the second half of the 19th century, modelled as a floral and foliate spray composed by flowerheads and naturalistic leaves, grain-set and step-down-collet-set throughout with Old Mine-cut, Old European brilliant-cut and rose-cut diamonds, all stones in open-back silver-on-gold settings. This jewel is secured to reverse with a later-added hinged post and roller clasp fitting in yellow gold. Diamonds: estimated 5.04 carats in total, G-I color (assessed), SI clarity (assessed). Main diamonds estimated 1.05ct (approximately 6.20x5.88x3.70mm), 1.15ct (approximately 6.54x6.52x3.47mm), 0.92ct (approximately 5.81x5.65x3.60mm) and 0.42ct (approximately 4.98x5.00x2.64mm). Dimensions: 9.1 x 3.9 cm. Gross Weight: 21.25. This item is in good condition, with marks and scratches consistent with general age and wear. Antique, period and vintage pieces, both signed and unsigned, are being offered as worn. Unless otherwise stated, all weights and quality factors have been graded as mounting permitted and using classic gemology and standard gemological equipment and might slightly differ from the assessments provided by other gemologists. Assessments related to period of manufacture or geographic origin of gemstones are expert opinions and may differ from the assessments provided by other professionals. Colors in the pictures/videos might slightly differ from the colors in real life. When certificated stones are being offered, the certificate or report will be mentioned. For additional information or clarification, please get in touch and our in-house team of expert GIA Graduate Gemologists and Registered Appraisers/Valuers will be happy to help. Upon request, every item sold by Espadim 1985...

A pair of Art Deco 3.94 carat Old Mine-cut diamond target earrings in 19.2kt yellow gold and platinum, Portuguese, 1940s. Each earring features a large Old Mine-cut diamond claw-set ...

--Stone(s):-- (1) Natural Genuine Lapis Lazuli - Scantily Clad Gathering Carving - Oval Shape - Prong Set - Blue Color - 31.3x21.5mm (approx.) (30) Natural Genuine Diamonds - Old Eur...

Beautiful Antique Edwardian 18K Yellow Gold Platinum Old European Diamond Pin. This gorgeous pin is crafted in 18k yellow gold and platinum top. The pin ...

Edwardian Platinum Tiffany & Co. Old European Diamond Ribbon Brooch Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.6 grams Diamond Details: Old European Bril...

Old Mine Diamond Horseshoe Brooch Pin 18K Gold Platinum Edwardian This gorgeous Edwardian circa 1890-1910s Brooch Pin is crafted in 18K Yello...