Diamond Selection
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Fred Lovelight ring in platinium and diamonds
3,650 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 7,600 €
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De Beers Aura solitaire ring in platinum and diamonds
5,980 €
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Vintage 1930's ring in platinium and diamonds
4,950 €
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Vintage 1990's ring in white gold and diamonds
3,950 €
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Cartier 1895 solitaire ring in rose gold and diamonds
4,650 €
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Boucheron Ava necklace in white gold and diamonds
3,850 €
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Boucheron Ava necklace in white gold and diamonds
3,450 €
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Boucheron Ava ring in white gold and diamonds
9,750 €
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Boucheron Plume de Paon ring in white gold and diamonds
2,980 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,200 €
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Bulgari solitaire ring in platinium and diamonds
14,300 €
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Cartier Himalia ring in white gold and diamonds
6,750 €
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Cartier Colisée ring in yellow gold and diamonds
8,450 €
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Chanel small hoop earrings in white gold and diamonds
5,950 €
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Bulgari Divas' Dream necklace in white gold and diamonds
24,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 44,500 €
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Van Cleef & Arpels Fleurette ring, small model, in white gold and diamonds
9,450 €
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Chaumet Joséphine Ronde d'Aigrettes pendant in white gold and diamonds
6,850 €
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Chopard Happy Diamonds ring in white gold and diamonds
12,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 19,200 €
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Repossi Berber wedding ring in rose gold and diamonds
2,950 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 5,200 €
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A pair of Boucheron Serpent Bohème XS stud earrings in white gold, diamonds and diamonds
3,150 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 5,250 €
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Tiffany & Co Lynn ring in platinium and diamonds
2,350 €
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Messika Desert Bloom ring in white gold and diamonds
5,650 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 9,400 €
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Tiffany & Co Hearts necklace in platinium and diamonds
2,450 €
Collector Square offers you pre-loved luxury jewellery authenticated and rigorously selected for their condition and desirability. Rings, bracelets, pendants, necklaces, earrings, brooches and cufflinks for men and women are available on collectorsquare.com in a wide range of materials: yellow gold, white gold, rose gold, diamonds, rubies, sapphires, emeralds, lapis lazuli, mother-of-pearl...
Take a look at our wedding selection too, with more than 200 engagement and wedding rings by Cartier, Tiffany Co, Van Cleef Arpels, Boucheron, Fred, Bulgari, Chaumet, Messika, Mauboussin...
In addition, Collector Square has imagined a timeless collection of diamond jewellery designed in Paris and entirely handcrafted by jewellers in Milan; Atelier Collector Square. These rings, bracelets, necklaces and earrings with sleek lines can be worn alone or paired with your signed or vintage jewellery.
Collector Square has its own jewellery workshop which, depending on the piece, offers polishing, cleaning and resizing services.
See the entire selection of jewellery on collectorsquare.com, and ensure you never miss out on any previews by signing up for our newsletter.
Each piece of jewellery sold by Collector Square is shipped worldwide within 24 hours with its certificate of authenticity. You can also sell your luxury jewellery on consignment or for immediate purchase with Collector Square. To do that, please send an authentication request directly via the website. Our specialists will get back to you within 48 hours at the latest.
14-days return policy
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