Engagement Rings
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Cartier 1895 solitaire ring in platinium and diamond
19,800 €
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Piaget Rose ring in platinium and diamonds
4,650 €
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Cartier 1895 solitaire ring in platinium and diamond
8,450 €
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Bulgari ring in platinium and diamonds (1.57 ct.)
15,900 €
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Boucheron Ava ring in white gold and diamonds
8,750 €
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Cartier solitaire ring in platinium and diamonds
69,800 €
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Chaumet Joséphine Éclat Floral ring in white gold and diamonds
3,850 €
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Vintage ring in platinium and diamonds
26,800 €
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Vintage ring in yellow gold and diamonds
59,800 €
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Van Cleef & Arpels ring in yellow gold and diamonds
9,480 €
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Cartier ring in yellow gold and diamonds
18,500 €
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Vintage signet ring in yellow gold and diamonds
43,800 €
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Vintage ring in yellow gold and diamonds
3,950 €
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Vintage solitaire ring in yellow gold and diamonds
3,150 €
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Cartier 1895 solitaire ring in pink gold and diamond
4,650 €
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Cartier Etincelle ring in pink gold and diamonds
3,480 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,200 €
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Chaumet Bee my Love solitaire ring in pink gold and diamond
2,250 €
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Mellerio ring in yellow gold, diamond and sapphires
13,800 €
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Vintage ring in platinium, aquamarine and diamonds
2,580 €
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Tiffany & Co Soleste ring in platinium, emerald and diamonds
8,450 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 20,400 €
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Vintage ring in platinium, diamonds and sapphire
2,980 €
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Vintage 1990's ring in platinium, ruby and diamonds
2,150 €
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Van Cleef & Arpels Fleurette ring in white gold and diamonds
8,650 €
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Vintage 1930's ring in platinium and diamonds
4,380 €
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Vintage ring in platinium and diamonds
4,850 €
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Vintage 1930's ring in platinium and diamonds
4,950 €
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Tiffany & Co Etoile solitaire ring in platinium and diamond (0,21 carat)
1,580 €
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Tiffany & Co Etoile solitaire ring in platinium and diamond (0,25 carat)
1,450 €
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Tiffany & Co Victoria ring in platinium and diamonds
1,580 €
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Vintage solitaire ring in white gold and diamonds (3,19 carats)
19,800 €
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Fred Fleur Céleste ring in platinium and diamond
1,980 €
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Tiffany & Co solitaire ring in platinium and diamonds
1,050 €
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Messika Joy ring in white gold and diamonds
3,250 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,150 €
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Chaumet Jeux de Liens ring in white gold and diamonds
3,580 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 7,450 €
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Messika ring in white gold and diamonds
4,750 €
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Vintage ring in platinium and diamonds
2,980 €
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Fred La Belle et La Bête ring in white gold and diamonds
6,980 €
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Tiffany & Co Etoile ring in platinium and diamond
5,980 €
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Fred Lovelight ring in platinium and diamonds (0,31 carat)
3,150 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,800 €
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Cartier Love solitaire ring in white gold and diamond
5,450 €
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Cartier Mimi ring in platinium and diamonds
6,250 €
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Vintage ring in white gold and diamonds
5,250 €
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Chanel Ultra ring in white gold, ceramic and diamond
2,450 €
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Chanel Ultra solitaire ring in white gold, ceramic and diamond
3,150 €
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Hermès Kelly ring in pink gold and diamonds
7,750 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 12,400 €
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Cartier ring in yellow gold, emerald and diamonds
1,750 €
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Tiffany & Co Setting solitaire ring in platinium and diamond
2,680 €
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Fred Lovelight ring in platinium and diamonds
2,650 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 5,800 €
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Tiffany & Co Setting solitaire ring in platinium and diamond
2,250 €
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Van Cleef & Arpels ring in white gold and diamonds
10,800 €
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Tiffany & Co Jazz ring in pink gold and diamonds
2,480 €
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Cartier Ballerine solitaire ring in platinium and diamonds
5,650 €
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Pomellato ring in pink gold, white gold and diamonds
3,750 €
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De Beers DB Classic ring in platinium and diamonds
3,450 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 8,350 €
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De Beers ring in white gold and diamonds
2,250 €
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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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Tiffany & Co Setting solitaire ring in platinium and diamond
790 €
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Tiffany & Co solitaire ring in platinium and diamond
1,450 €
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Tiffany & Co Setting solitaire ring in platinium and diamond
1,080 €
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Cartier Ellipse ring in yellow gold and diamond
2,550 €
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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