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

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292^nd Auction: Watches »
Aftersale
until 15.11.2026 - 3 days left

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294^th Auction: Jewellery »
Aftersale
until 14.11.2026 - 2 days left

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265 Lots

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294-5254 Valuable, exceptionally large aquamarine in a rare colour, 24.47 ct, including report Ca. 21.99 x 17.60 x 9.45 mm, 24.47 ct, natural aquamarine, octagonal step cut, blue, eye-clean; the stone is supplied with the corresponding GSI report dated 2026. The aquamarine has the sought-after intense blue colour, one grade below the ‘premier class’ Santa Maria in terms of colour grade. now only: 9.000 €
plus charge

294-5255 Natural, untreated zoisite/tanzanite, 5.28 ct, colour: greenish yellow, including report Ca. 9.64 x 9.51 x 7.95 mm, 5.28 ct, natural zoisite, round mixed cut, colour: greenish yellow, transparent, including GSI report from 2025. now only: 1.800 €
plus charge

294-5256 Natural, unheated zoisite/tanzanite, 5.71 ct, colour: greyish brown, including report Ca. 12.98 x 8.65 x 6.34 mm, 5.71 ct, natural zoisite, cushion mixed cut, colour: greyish brown, transparent, including GSI report from 2025. now only: 2.100 €
plus charge

294-5257 Natural, unheated zoisite/tanzanite, 4.89 ct, including GSI report Ca. 9.71 x 8.74 x 6.20 mm, 4.89 ct, natural zoisite, octagonal step cut, colour: violetish brown, transparent, including GSI report from 2025. now only: 1.650 €
plus charge

294-5258 Unheated, rare zoisite in the tanzanite variety, 5.97 ct, violetish blue, including report Ca. 15.29 x 9.39 x 6.83 mm, 5.97 ct, natural zoisite, tanzanite variety, colour: violetish blue, pear mixed cut, transparent, including GSI report from 2025. now only: 2.350 €
plus charge

294-5259 Extremely valuable ‘NO HEAT’ tanzanite weighing 13.69 ct, colour: greenish violet, including IGI report Ca. 19.55 x 12.46 x 7.95 mm, 13.69 ct, natural zoisite/tanzanite, greenish violet, pear cut; the stone comes with a current IGI certificate dated 2026. Unheated tanzanites of this size and quality are rarely available on the market and have high potential for appreciation in value. now only: 9.500 €
plus charge

294-5260 3.10 ct tanzanite in an octagon cut, fine AAA quality Ca. 9.78 x 7.41 x 4.80 mm, 3.10 ct, octagon cut, eye-clean, high-quality tanzanite with high colour intensity and beautiful brilliance. now only: 800 €
plus charge

294-5261 Tanzanite in a teardrop cut, 2.45 ct, fine AAA quality Ca. 11.36 x 7.39 x 4.91 mm, 2.45 ct, pear-cut, facetted on both sides, beautiful natural tanzanite with intense colour. now only: 600 €
plus charge

294-5262 2.83 ct oval-cut tanzanite, fine AAA quality Ca. 9.93 x 7.82 x 5.45 mm, natural tanzanite weighing 2.83 ct, facetted oval cut, high-quality tanzanite with high colour intensity and beautiful brilliance, eye-clean. now only: 700 €
plus charge

Sold 294-5263 Tanzanite: natural, very beautiful loose cushion-cut tanzanite, ca. 7.10 ct, report Ca. 11.29 x 11.247 x 7.53 mm, ca. 7.53 ct, double-sided faceted modified cushion cut, eye-clean, colour: violetish blue, high-quality tanzanite with high colour intensity and beautiful brilliance, including report. Hammerprice: 1.500 €
plus charge

294-5264 Natural tanzanite weighing 11.31 ct, including certificate Ca. 16.17 x 11.87 x 8.05 ct, oval cut, colour: violetish blue, high brilliance and clarity, including report. now only: 2.500 €
plus charge

294-5265 Valuable untreated zoisite-tanzanite weighing 16.96 ct, including IGI report Ca. 15.80 x 12.13 x 9.25 mm, octaconal step cut, natural zoisite, a very valuable variety of tanzanite, colour: violetish blue, transparent, including GSI report dated 2026. now only: 7.500 €
plus charge

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