Antique 19th Century Portuguese Diamond Floral Ring Silver Gold Hallmarks Makers

Antique 19th Century Old Mine-Cut Diamond and Black Enamel Ring in Silver and Gold. A jewel of evocative charm and Victorian grandeur, this antique ring marries the drama of black e...

Boucheron Mid-Century Diamond Cocktail Ring in 18 Karat White Gold, French, circa 1950s–1960s. A masterful interpretation of floral abstraction in diamonds and white gold. The compo...

Antique 19th Century En Tremblant Diamond Floral Bouquet Brooch in Silver and Gold, Portugal. A sublime expression of 19th-century Portuguese artistry, this Victorian-period en trem...

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...