Your search for "Zentra" in Watches / Jewellery returned: 54 hits - Cortrie Special-Auctions for Watches and Jewellery in Hamburg

294-5001 Ring: vintage white gold goldsmith's ring set with a brilliant-cut diamond, ca. 1 ct Ca. Ø16mm, size 50, ca. 4.7g, 18K white gold, a single brilliant-cut diamond in a raised setting at the centre, ca. 0.52ct, upper quality range, ring shoulders set with numerous princess-cut diamonds, total ca. 1ct of brilliant-cut diamonds, retail price ca. €4,000. 1.000 € - 2.000 €

294-5002 Ring: vintage diamond/brilliant-cut goldsmith's ring in 18K white gold, ca. 0.9ct Ca. Ø18mm, RG56, ca. 3.7g, 18K white gold, ring shank ca. 11mm wide, featuring a central brilliant-cut diamond of ca. 0.6ct, colour in the Wesselton range, clarity in the SI range, surrounded by small octagonal diamonds, total diamond weight ca. 0.9ct, vintage goldsmith's work. 750 € - 1.200 €

294-5013 Ring: modern, as good as new diamond ring with a pink gemstone, large kunzite of 18.3 ct Ca. Ø 17.5 mm, ring size 54, ca. 10 g, 14K white gold, very high-quality craftsmanship on the ring head, set with ca. 150 small white, natural brilliant-cut diamonds on the sides and prongs, with a large, eye-clean pink kunzite measuring 18 x 13.5 mm at the centre, hallmarked as weighing 18.3 ct. 1.000 € - 3.000 €

294-5014 Necklace: delicate white gold curb chain with a ruby and brilliant-cut diamond pendant, ca. 0.8 ct Approx. 50 cm long, ca. 6.5 g, 14K white gold, freely hanging pendant ca. 18 x 10 mm, featuring a central ruby of ca. 0.3 ct, surrounded by 10 brilliant-cut diamonds with a total weight of ca. 0.5 ct, colour in the Wesselton range, clarity in the SI range, vintage goldsmith's work. 500 € - 800 €

294-5018 Ring: high-quality vintage ruby and brilliant-cut diamond goldsmith's ring Ca. Ø17.5mm, RG55, ca. 5g, 18K white gold, featuring a natural ruby of ca. 1.15ct at the centre, flanked by good-quality brilliant-cut diamonds totalling ca. 0.38ct, with the diamond weight engraved on the shank; vintage goldsmith's work. 550 € - 900 €

294-5019 Ring: elegant brilliant-cut diamond and ruby goldsmith's ring, natural ruby in an emerald cut, 5.83 ct, IGI report Ca. Ø17mm, size 53, ca. 4.1g, 14K white gold, ring shank ca. 15mm wide, set with a natural ruby measuring ca. 12.5 x 10 x 3.5mm at the centre, ca. 5.83 ct, colour: purplish red, also set with 58 brilliant-cut diamonds, totalling ca. 0.43 ct, stone weights engraved on the shank, including an IGI report dated 2024. 1.500 € - 4.000 €

294-5023 Ring: vintage tourmaline and brilliant-cut diamond goldsmith's ring, 18K white gold Approx. Ø19mm, size 60, ca. 8.8g, 18K white gold, ring head ca. 13 x 14mm, a green gemstone (tourmaline) at the centre, surrounded by numerous brilliant-cut diamonds totalling ca. 0.6ct, upper quality range, solid vintage goldsmith's work. 1.000 € - 1.400 €

294-5024 Ring: modern emerald and brilliant-cut diamond goldsmith's ring, ca. 4.1 ct Ca. Ø17.5mm, RG56, ca. 2.8g, 14K yellow gold, ring head ca. 16 x 12mm, a pear cut emerald at the centre, ca. 3.8ct, natural inclusions, plus small brilliant-cut diamonds totalling ca. 0.3ct, fine goldsmith's work. 800 € - 2.000 €

294-5028 Ring: modern diamond goldsmith's ring, beautiful solitaire brilliant-cut diamond of ca. 0.7 ct, 18K white gold Ca. Ø17mm, RG54, ca. 3g, 18K white gold, featuring a central brilliant-cut diamond of ca. Ø5.75–5.85mm, ca. 0.7ct, colour in the Wesselton range, clarity in the VS range; the ring shoulders are also set with 44 small brilliant-cut diamonds, ca. 0.22ct, modern goldsmith's work. 1.250 € - 2.000 €

294-5042 Ring: attractive opal and brilliant-cut diamond goldsmith's ring, as good as new and unworn Ca. Ø17.5mm, ring size 54, ca. 4.5g, 14K yellow gold, ring head ca. 11mm wide, featuring a central black opal of ca. 2.32ct, plus 52 small brilliant-cut diamonds set all round totalling ca. 0.46ct, unworn. 400 € - 1.000 €

294-5048 Necklace: vintage centre-piece necklace with sapphire and brilliant-cut diamonds, ca. 1.83 ct Approx. 42.5 cm long, ca. 19.8 g, 18K white gold, centre section ca. 23 x 16 mm, featuring a central sapphire measuring ca. 7.2 x 5.5 mm, ca. 1 ct, surrounded by a total of 11 good-quality brilliant-cut diamonds, totalling ca. 0.83 ct, diamond weight hallmarked on the clasp, high-quality vintage goldsmith's work. 1.800 € - 3.000 €

294-5049 Pendant: vintage white gold sapphire and diamond pendant, ca. 4.7 ct Approx. 40 x 22 mm, ca. 8.7 g, 18K white gold, featuring a teardrop-shaped sapphire of ca. 2.7 ct at the centre, surrounded by numerous brilliant-cut diamonds totalling ca. 2 ct, tinted colour, clarity I. 850 € - 2.000 €

294-5067 Ring: high-quality vintage emerald and brilliant-cut diamond goldsmith's ring, emerald of ca. 3.8 ct Ca. Ø17.5mm, RG54, ca. 8.5g, 18K yellow gold, featuring a central emerald measuring ca. 11.5 x 7.3 x 5.6mm, ca. 3.8ct, plus 10 brilliant-cut diamonds totalling ca. 0.38ct, very high-quality vintage goldsmith's work. 600 € - 1.200 €

294-5069 Pendant: decorative lapis lazuli heart pendant set with an emerald and brilliant-cut diamonds Ca. 22 x 24 mm (excluding the bail), ca. 9.8 g, settings in 14K yellow gold, a yellow-gold-set emerald cabochon at the centre, surrounded by small brilliant-cut diamonds; the hinged bail is also set with small brilliant-cut diamonds, total diamond weight ca. 0.16 ct, vintage goldsmith's work. 500 € - 700 €

294-5070 Ring: 3 high-quality enamelled designer gold rings with brilliant-cut diamonds, 18K yellow gold Each Ø16mm, ring size 50, total weight ca. 14.7g, 18K yellow gold, each ca. 5.5mm wide, featuring a small brilliant-cut diamond of ca. 0.03ct at the centre, with coloured enamel on the sides; all rings bear a goldsmith’s hallmark, high-quality handcrafted work. 600 € - 1.200 €

294-5072 Golden, decorative cufflinks with fine enamel and diamond setting, designer jewellery by Wempe Ca. 13 x 13 mm, 7.7 g, 18K yellow gold, Fabergé style, signed Wempe, octagonal shape, front decorated with fine enamel, each set with a small brilliant-cut diamond in the centre, in lovely condition. 1.000 € - 1.500 €

294-5076 Ring/necklace: Necklace featuring a beautiful opal and brilliant-cut diamonds, with a matching goldsmith's ring Necklace ca. 45.5 cm long, ca. 19.2 g, 18K yellow gold, freely hanging pendant ca. 50 x 22 mm, set with a large, iridescent opal cabochon with a beautiful play of colour, ca. 39 x 16 mm, surrounded by brilliant-cut diamonds totalling ca. 0.4 ct, accompanied by a matching goldsmith's ring, ca. Ø 18.5 mm, RG58, approx. 8.4g, 18K yellow gold, ring head approx. 21 x 17mm, featuring a very beautiful opal cabochon at the centre measuring ca. 16 x 12mm, surrounded by small brilliant-cut diamonds with a total weight of ca. 0.2ct, high-quality vintage goldsmith's work. 1.800 € - 3.500 €

294-5078 Ring: wide ruby and brilliant-cut diamond goldsmith's ring in 18K gold and platinum, ruby of ca. 2.62 ct, handcrafted Ca. Ø16.5mm, RG52, ca. 13g, 18K yellow gold/platinum, ring head ca. 10mm, featuring a beautiful central ruby cabochon of ca. 2.62ct, additionally set with small brilliant-cut diamonds on the ring shoulders, totalling ca. 0.78ct, stone weights engraved on the ring shank, high-quality goldsmith's work. 1.600 € - 3.500 €

294-5082 Ring: modern ruby/diopside goldsmith's ring, natural ruby of ca. 6.32 ct, including IGI report Ca. Ø17mm, RG53, ca. 4.5g, 14K white gold, featuring a central ruby measuring ca. 11.3 x 9.00 x 4.90 mm, 6.32 ct, emerald cut, colour: purplish red, untreated, plus 14 diopsides totalling ca. 1 ct, stone weights engraved on the shank, including an IGI report from 2024. 1.500 € - 5.000 €

294-5083 Ring: vintage ruby and brilliant-cut diamond goldsmith's ring, beautiful half-carat Approx. Ø18.5 mm, RG58, ca. 5.6 g, 14K yellow gold, ring shank ca. 14 mm wide, featuring a central brilliant-cut diamond of ca. Ø5.4 mm, ca. 0.55 ct, colour in the Wesselton range, clarity in the VS range; the ring shoulders are also set with rubies; high-quality and decorative vintage goldsmith's work. 800 € - 1.200 €

294-5089 Ring: modern aquamarine and brilliant-cut diamond goldsmith's ring, ca. 6.68 ct Ca. Ø17.5mm, RG55, approx. 9.5g, 18K rose gold, ring head approx. 21 x 16mm, featuring a faceted aquamarine of ca. 6.16ct at the centre, surrounded by beautiful brilliant-cut diamonds totalling ca. 0.52ct, both stone weights engraved on the shank, very attractive goldsmith's work. 750 € - 1.500 €

294-5090 Ring: elegant, as good as new goldsmith's ring in 18K gold and platinum with a tourmaline in an extremely rare colour, ca. 2.93 ct Ca. Ø17mm, RG54, ca. 6.7g, 18K yellow gold/platinum, tastefully crafted ring shank ca. 19mm wide, set centrally with a very beautiful and intensely pink tourmaline measuring ca. 10.7 x 8.2 x 5.5mm, approx. 2.93 ct, in our opinion in the extremely rare ‘vivid pink’ colour; also set with brilliant-cut diamonds totalling approx. 0.17 ct; both stone weights hallmarked on the shank; as good as new and unused. Buyers with a delivery address outside the EU will not have to pay this tax, and the price will be reduced by 19%. 750 € - 1.500 €

294-5099 Bracelet: highly decorative Art Deco diamond and coloured gemstone bracelet Ca. 18.5 cm long, ca. 35.7 g, 14K gold, two-tone, central section ca. 15.5 mm wide, featuring a faceted olive-green coloured stone ca. 21 x 15 mm, ca. 30 ct, presumed prasiolite (green quartz), plus numerous small octagonal diamonds totalling ca. 0.6 ct, clasp bearing the maker’s hallmark ‘LB’, attractive and unusual designer goldsmith's work. 3.000 € - 4.000 €

294-5102 Ring: gold diamond/brilliant-cut diamond goldsmith's ring, ca. 0.85 ct Ca. Ø17mm, ring size 53, ca. 6.5g, 18K gold; the ring shank, partly crafted in white gold, is ca. 5mm wide; set centrally with a brilliant-cut diamond of ca. Ø4.9mm, ca. 0.45ct, colour in the Wesselton range, clarity in the VVS range; additionally, diamonds on the sides totalling ca. 0.4ct, upper quality range, solid goldsmith's work. 700 € - 1.200 €

294-5128 Gold cufflinks with ‘steering wheel’ scene and brilliant-cut diamonds Ca. Ø23mm, ca. 13.5g, 18K yellow gold, each featuring a small brilliant-cut diamond at the centre, an unusual piece of goldsmith's work. 1.500 € - 2.000 €

294-5132 Ring: very heavy, solid band ring from Wempe with sapphire and brilliant-cut diamonds, 18K gold Ca. Ø16mm, RG51, approx. 16g, 18K yellow gold, tapered design, thickness varies from top to bottom, approx. 9mm wide at the front, a central sapphire cabochon of ca. 2ct, fine brilliant-cut diamonds on the sides totalling ca. 0.3ct, colour in the Top Wesselton range, clarity in the VVS range, ring band hallmarked Wempe, in very fine condition. 2.000 € - 3.000 €

294-5136 Ring: high-quality brilliant-cut diamond goldsmith's ring, ca. 1.35 ct Approx. Ø18mm, RG57, ca. 5.7g, 18K yellow gold, ring shank ca. 8mm wide, featuring a beautiful central brilliant-cut diamond of ca. 0.85ct, colour in the Wesselton range, clarity in the SI range, plus 5 baguette-cut diamonds on each side, high-quality goldsmith's work. 1.500 € - 2.500 €

294-5139 Ring: vintage gold diamond/brilliant-cut goldsmith's ring, beautiful solitaire brilliant-cut diamond of ca. 1.05 ct Ca. Ø17mm, RG54, ca. 8.4g, 14K yellow gold, ca. 8mm wide on the front, a central brilliant-cut diamond of ca. Ø6.64mm, ca. 1.05ct, clarity in the VVS range, colour in the Crystal range; furthermore, the ring shoulders are set with diamonds totalling ca. 1ct, top quality, vintage goldsmith's work. 2.500 € - 4.500 €

294-5150 Ring: a fine 950 platinum and goldsmith's ring from Tiffany & Co., set with a brilliant-cut diamond Ca. Ø16 mm, RG50, ca. 3.1g, 950 platinum, flower-shaped ring head, ca. Ø10mm, a central brilliant-cut diamond of ca. 0.17ct, surrounded by small brilliant-cut diamonds, shank engraved on the inside with ‘Tiffany & Co PT 950’, includes original box, fine goldsmith's work, high-quality and formerly expensive designer jewellery. 900 € - 1.200 €

294-5159 Ring: exquisite emerald and brilliant-cut diamond floret ring by a goldsmith, featuring a large emerald, ca. 2.16 ct, handcrafted Ca. Ø 17.5 mm, RG55, ca. 4.1 g, 18K white gold, ring shank ca. 18 mm wide, featuring an oval emerald of ca. 2.16 ct at the centre, the emerald’s weight hallmarked on the shank; also set with brilliant-cut diamonds and navette-cut diamonds with a total weight of ca. 1.23 ct, as good as new and unworn. 1.500 € - 3.500 €

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