Gemstones - Cortrie Special-Auctions for Watches and Jewellery in Hamburg

209-5204 Brilliant: Very good quality single carat, 1.03ct, Fine White (F)/VVS2, Hofjuwelier Roesner, DPL certificate from Idar-Oberstein included. Approx. 6,56-6,66 x 3,95mm, according to DPL certificate from September 2012 brilliant of 1,03ct, quality Top Wesselton Fine White (F)/VVS2, proportions and symmetry very good. Formerly part of the Roesner gemstone collection! 4.900 € - 6.500 €

209-5205 Brilliant: high quality diamond of 0,76ct, Fine White+ (F) VVS2, including DPL certificate from Idar-Oberstein Approx. 6,14-6,16 x 3,33mm, according to DPL certificate from October 2012 brilliant of 0,76ct, quality Top Wesselton Fine White+ (F) VVS2, proportions, symmetry and polish good. Formerly part of the gemstone collection Hofjuwelier Roesner! 2.100 € - 3.000 €

209-5206 Brilliant: Brilliant of high color quality, approx. 0,86ct, from the business liquidation of Hofjuwelier Roesner Approx. 6,13-6,05 x 3,74mm, approx. 0,86ct, color in the top quality range River E-D, clarity SI. Formerly part of the gemstone collection Hofjuwelier Roesner! 2.700 € - 4.000 €

209-5207 Brilliant: Convolute of 19 diamonds of finest quality, total approx. 4,23ct, from the stock of Hofjuwelier Roesner Group of 19 very high quality diamonds in sizes from approx. 0,18ct to approx. 0,27ct, total approx. 4,23ct, quality in the top color and clarity range, according to packaging River IF. 4.900 € - 7.000 €

209-5208 Diamond: 1 loose Natural Fancy Olive Brown drop cut diamond, approx. 3.05ct Approx. 11.98 x 7.74 x 5.37mm, approx. 3.05ct, drop cut diamond, in rare Natural Fancy Olive Brown color. 1.500 € - 4.000 €

209-5209 Topaz: rare, large imperial topaz of approx. 38ct Approx. 26.91 x 9.94mm, approx. 38ct, topaz crystal cut as a hexagonal prism. Imperial topaz is the most expensive variety of topaz, long reserved only for kings and emperors, and often used in the crown jewels of the tsars in the 18th century. 500 € - 1.500 €

209-5210 Spinel: natural red Burma spinel, 3ct, with certificate Approx. 9.72 x 7.98 x 4.75mm, 3ct, very nice natural spinel of rare intense red color, in cushion cut, transparent with small natural inclusions, with certificate. 600 € - 1.500 €

209-5211 Tourmaline: extremely high quality very nice Paraiba tourmaline of 22,23ct, with DSEF Report from Idar Oberstein 17.78 x 15.67 x 11.47mm, 22.23ct, transparent natural tourmaline, yellowish-bluish-green, in cushion cut, with copper and manganese parts, therefore commercially called Paraiba tourmaline, the precious stone of impressive luminosity and unusually beautiful color comes with DSEF (German Foundation for Gemstone Research) report from Idar Oberstein dated January 2017. 6.500 € - 22.000 €

209-5212 Tourmaline: Paraiba tourmaline of high luminosity, 1,77ct, with DSEF report from Idar Oberstein 8.52 x 6.42 x 5.02mm, 1.77ct, transparent natural tourmaline, greenish-blue, oval cut, with copper and manganese parts, therefore commercially called Paraiba tourmaline, the high-quality stone of impressive luminosity and very beautiful color comes with DSEF (German Foundation for Gemstone Research) report from Idar Oberstein dated February 2019. 500 € - 3.500 €

209-5213 Paraiba: extremely rare "Paraiba" tourmaline in triangle cut of approx. 15.75ct Approx. 22 x 14.8 x 9.8mm, approx. 15.75ct, natural inclusions, faceted cut on both sides. The Paraiba tourmaline is very hard to get on the world market, the deposits from the Paraiba mine in Brazil are practically exhausted, also the African stocks are declining strongly. 4.500 € - 15.000 €

209-5214 Tourmaline: high fine Paraiba tourmaline of 6,17ct, with DSEF report from Idar Oberstein 10.98 x 9.76 x 7.80mm, 6.17ct, transparent natural tourmaline, greenish-blue, in cushion cut, with copper and manganese parts, therefore commercially called Paraiba tourmaline, the high-quality stone of impressive luminosity and very beautiful color comes with DSEF (German Foundation for Gemstone Research) report from Idar Oberstein dated February 2019. 1.500 € - 6.500 €

209-5215 Emerald: beautiful, valuable emerald in emerald cut ca. 6ct Approx. 10.50 x 10.20 x 7.41mm, exactly 5.98ct, fine emerald in emerald cut of unusually high transparency and clarity. 1.000 € - 3.000 €

209-5216 Emerald: very nice natural emerald of excellent color, ca. 4,68ct, former gemstone collection Hofjuwelier Roesner High quality bright green emerald measuring approx 12.05 x 9.59 x 7.11mm, approx 4.68ct, visible inclusions, oval cut, faceted top and bottom. 2.600 € - 5.000 €

209-5217 Emerald: oval, valuable, good quality natural emerald, approx. 3ct Approx. 10.57 x 8.69 x 5.92mm, approx. 3ct, faceted oval cut, excellent intense green color. 1.350 € - 3.000 €

209-5218 Emerald: very high quality natural emerald of ca. 6,1ct, former gemstone collection Hofjuwelier Roesner Approx. 13 x 11.34 x 7.61mm, intense green emerald, excellent color, faceted oval cut, visible natural inclusions. 3.500 € - 6.000 €

209-5219 Emerald: very beautiful natural emerald of excellent color, about 4.3ct High quality bright green emerald measuring approx. 13.36 x 8.63 x 5.6mm, approx. 4.3ct, visible inclusions, oval cut, top and bottom faceted, origin probably Colombia. 1.000 € - 2.200 €

209-5220 Emerald: valuable and very beautiful natural emerald of approx. 2,33ct Approx. 10.12 x 7.44 x 5.55mm, estimated weight about 2.33ct, bright green emerald, oval and faceted cut, natural inclusions. 1.080 € - 2.300 €

209-5221 Emerald: natural emerald of very nice color, ca. 2ct Approx. 9.29 x 7.96 x 5.27mm, top as well as bottom faceted, nice oval cut, very good intense green color, emerald weight approx. 2ct. 900 € - 2.000 €

209-5222 Tourmaline: bright green navette cut Paraiba tourmaline, approx. 1.6ct 12.25 x 5.61 x 3.81mm, approx. 1.6ct, green Paraiba tourmaline of high luminosity and transparency, unusually beautiful intense color. 500 € - 800 €

209-5223 Ruby: fine cabochon cut ruby, approx. 4,1ct Approx. 10.62 x 8.47 x 4.32mm, approx. 4.1ct, very beautiful ruby in cabochon cut and of intense pink color, transparent, natural small inclusions. 800 € - 3.000 €

209-5224 Sapphire: high quality, large star sapphire of approx. 17.45ct Approx. 13.6 x 12.1 x 10.3mm, approx. 17.45ct, cabochon with distinct star effect. 1.200 € - 5.000 €

209-5225 Gemstones: interesting gemstone set with 3 sapphires, 2 tourmalines, 1 emerald, 1 aquamarine and 1 black brilliant, with certificates, from goldsmiths estate High quality stone set with 2 yellow sapphires in oval cut, approx. 1,69ct and approx. 2,13ct, both stones are of high transparency, bright golden yellow and high brilliance, 1 beautiful dark blue sapphire in antique cut, approx. 1,83ct, 1 pink tourmaline in teardrop cut, approx. 5ct and 1 fine green tourmaline in antique cut, ca. 8,99ct, 1 fine emerald in rectangle cut of ca. 2,68ct, the described color stones are untreated according to certificates from Pforzheim, which are included, furthermore a black brilliant of ca. 1,27ct, also with certificate, and 1 aquamarine in octagon cut of ca. 11,82ct. 1.600 € - 4.000 €

209-5226 Corundum: valuable convolute of fine rubies and sapphires, total ca. 102ct, from goldsmiths estate Interesting high quality corundum convolute, consisting of blue sapphires in different color intensities as well as fine rubies, total approx. 102ct, in oval, round and cabochon cut, with stone sizes from approx. 0.3 to approx. 5.5ct. 1.000 € - 4.000 €

209-5227 Beryl: very interesting large beryl assortment, total ca. 70ct, mostly fine aquamarines, from goldsmiths estate 48 faceted gemstones from the beryl group, totaling approx. 70ct, in octagonal, round, oval, baguette, teardrop, marquise and cabochon cuts in sizes from approx. 0.7ct to approx. 7.6ct, including numerous aquamarines in various color intensities, 1 morganite, a light pink variety of beryl, and a light greenish-yellow beryl. 600 € - 2.000 €

209-5228 Beryl: high quality large beryl assortment, total ca. 110ct, from goldsmiths estate 48 faceted gemstones from the beryl group, totaling approx. 110ct, in octagon, round, oval, baguette, teardrop, marquise and cushion cuts in sizes from approx. 0.6ct to approx. 8.5ct, including numerous aquamarines in various color intensities, 3 morganites, a light pink variety of beryl, and a heliodor, a light yellow-green beryl. 1.000 € - 5.000 €

209-5229 Emerald: interesting convolute of faceted cut emeralds, total ca. 44ct, from goldsmiths estate 48 emeralds of beautiful color intensity, total ca. 44ct, in octagon, round, oval, baguette and square cut in sizes from ca.0,4ct to ca. 2,5ct. 500 € - 5.000 €

209-5230 Beryl: very interesting large beryl convolute, total ca. 175,85ct 48 faceted gemstones from the beryl group, totaling approx. 175ct, in octagon, round, oval, baguette, teardrop, triangle and cushion cuts in sizes from approx. 0.7ct to approx. 12ct, including numerous aquamarines in various color intensities, numerous morganites, a light pink variety of beryl, and some beautiful gold beryls. 2.300 € - 7.000 €

209-5231 Gemstones: interesting set of stones with sapphires, aquamarines, zircons and fancy diamonds as well as an emerald, from goldsmiths estate Large gemstone set i.a. with a very large emerald cut emerald of ca. 21,6ct, slightly bumped at one corner, 2 large aquamarine cabochons of together ca. 40,6ct, 4 aquamarine drops of together ca. 3ct, 1 aquamarine and 1 morganite in emerald cut of together ca.13,96 ct, ca. 36 small oval cut sapphires in sizes from ca. 0.17ct to ca. 1.8ct, 15 blue oval and round cut zircons totaling ca.16.7ct, 8 yellow brown oval cut zircons totaling ca. 19.3ct, furthermore 6 small fancy diamonds, 1 cordiriet, 6 kyanites and 1 opal. 1.900 € - 5.000 €

209-5232 Gemstones: valuable stone collection, among others with tourmalines, beryls and emeralds, from goldsmiths estate Interesting convolute, among others with a Santa Maria aquamarine of approx. 1.1ct in oval cut, a beautiful aquamarine in emerald cut, approx. 8.2ct, as well as 5 more faceted cut aquamarines, total approx. 18.3ct, a large green tourmaline of approx. 10ct, 3 more very beautiful faceted cut tourmalines of together approx. 11.88ct, 1 gold beryl of approx. 7.51ct in Ermerald cut, a total of approx. 30ct sapphires, including a 1 Ceylon sapphire in fancy cut of approx. 5.21ct, 9 emeralds in various faceted cuts, totaling approx. 22ct, a large black moissanite in round cut of 57.19ct, furthermore 14 morganites and gold beryls totaling approx. 26ct and 7 sphenes totaling approx. 6ct. 2.000 € - 4.000 €

209-5234 Corundum: high quality set of fine rubies and sapphires, total ca. 46,9ct, from goldsmiths estate Interesting corundum convolute with very nice stone qualities, consisting of sapphires in blue, yellow and green hues in different color intensities as well as fine rubies, total approx. 46.9ct, in oval, round, teardrop and cabochon cut, with stone sizes from approx. 0.6ct to approx. 2.27ct, including 2 orange-yellow sapphires of approx. 1ct and approx. 0.88ct of high transparency. 1.500 € - 5.000 €

209-5235 Mixed lot: Case with huge mix of oriental, keshi and blister beads, from a goldsmiths liquidation, treasure trove Very interesting huge pearl assortment from a goldsmith's liquidation, among them countless small oriental pearls, packed in approx. 50 transparent cachettes of approx. 7 x 4,5cm size, completely, half or only slightly filled, with very fine oriental pearls in sizes from approx. Ø1mm to approx. 8mm, in round and baroque shapes, mainly in white shades, partly pierced, a.o. also 1 almost completely filled cachette with small undrilled pink beads approx. Ø1-3mm, 1 valuable, large bright baroque oriental bead of approx. 12.85 x 12.82 x 11.09mm; furthermore approx. 30 cachettes of similar size in different quantities filled with Keshi and Akoya-Keshi beads, partly drilled through, among them 10 undrilled Akoya-Keshi in interesting baroque shapes approx. 10 x10mm to ca. 45 x 21mm large, 10 South Sea Keshi ca. Ø4,5- 7,5mm large, 1 Akoya-Keshi bead strand ca. 41cm long ca. Ø6-9mm long, 11 Sweetwater Keshi with very fine luster ca. 11,5 x 6,5mm to ca. 24 x 14,5mm large, ca. 10 Keshi bead strands ca. Ø1,9mm ca. 49cm long, 2 x times 1 blister bead in an oyster ca. 28,38 x 20,8mm and ca. 28,5 x 23mm big,1 big mabé bead ca. 48 x 25,69 x 11,97mm big, 2 light conch beads ca. Ø8,5-10mm, 1 big bag with sawn antique blister beads altogether ca. 326g ca. Ø3-9mm around 1920, some small mother of pearl snail shells and fragments and much more..... 8.000 € - 25.000 €

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