Engagement Rings
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Cartier Etincelle ring in platinium and diamonds
2,980 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,900 €
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Cartier 1895 solitaire ring in platinium and diamonds
11,800 €
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Cartier ring in platinum and diamonds
3,750 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,350 €
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Tiffany & Co Setting solitaire ring in pink gold, platinium and diamond
16,500 €
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Cartier Destinée ring in platinum and diamonds
4,650 €
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Cartier Ballerine ring in platinum and diamonds
2,450 €
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Messika Joy ring in white gold and diamonds
1,580 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 2,650 €
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Solitaire ring in white gold and in diamond (0.72 carat)
2,650 €
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Vintage ring in white gold and diamonds
2,450 €
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Cartier 1895 solitaire ring in platinium and diamonds
2,250 €
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Cartier 1895 solitaire ring in platinum and diamonds
3,150 €
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Vintage Art Deco ring in platinum and diamonds
1,880 €
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Boucheron Ava ring in white gold and diamonds
3,450 €
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Van Cleef & Arpels Romance solitaire ring in platinium and diamonds
19,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 26,700 €
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Van Cleef & Arpels Fleurette large model ring in white gold and diamonds
10,800 €
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Van Cleef & Arpels Jarretière ring in yellow gold and diamonds
3,650 €
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Tiffany Co Soleste ring in platinum and diamonds
9,250 €
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Vintage Art Deco ring in platinum and diamonds
1,750 €
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Vintage 1990's ring in yellow gold and diamonds
8,450 €
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Tasaki ring in platinium, cultured pearl and diamonds
1,150 €
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Bulgari solitaire ring in platinium and diamonds
14,300 €
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Boucheron Ava ring in white gold and diamonds
9,750 €
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Cartier Ballerine solitaire ring in platinium and diamonds
This item is no longer available
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Buccellati Romanza ring in white gold, diamonds and sapphires
This item is no longer available
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Asymmetric Piaget ring in white gold and sapphire
This item is no longer available
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Tiffany & Co Soleste ring in platinium, fancy yellow diamond and diamonds
This item is no longer available
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Vintage ring in platinium, sapphire and diamonds
This item is no longer available
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Boucheron Beloved solitaire ring in white gold and diamond
This item is no longer available
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Ring in platinium and diamonds (1.56 carat)
This item is no longer available
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Dior Oui ring in white gold and diamonds
This item is no longer available
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Cartier 1895 ring in platinium and diamond of 0,67 karat
This item is no longer available
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Cartier Inde Précieuse ring in white gold and diamonds
This item is no longer available
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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