Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
What is a size 57 ring?
1 Answer

In the USA, a ring with 57 mm circumference is considered to be an 8.5 size ring. On the other hand, in the UK, Ireland, Australia and New Zealand it is Q 1/2. Find a variety of antique and vintage rings on 1stDibs.
1stDibs ExpertSeptember 28, 2021
Shop for Cartier Ring Setting on 1stDibs
Cartier Trinity 3 Band Rolling Platinum Wedding Band Ring
By Cartier
Located in London, GB
Elevate your everyday style with this sophisticated ring from the iconic Trinity de Cartier
Category
21st Century and Contemporary French Modern Wedding Rings
Materials
Platinum
Cartier 6.71 carat Cushion Brilliant Diamond Platinum Engagement Ring
By Cartier
Located in New York, NY
An exquisite ring by Cartier that is a part of history! In the 1940s, Monture Cartier pieces were
Category
Mid-20th Century French Engagement Rings
Materials
Diamond
Cartier 'C De Cartier' Diamond and Platinum Wedding Band
By Cartier
Located in London, GB
’ collection by Cartier.
The exquisite ring features the iconic Cartier signature in the centre, beautifully
Category
21st Century and Contemporary French Modern Wedding Rings
Materials
Diamond, Platinum
Cartier La Dona Diamond and Peridot 18 Carat White Gold Dress Ring
By Cartier
Located in London, GB
Add a touch of colour to your jewellery collection with this rare cocktail ring from the Cartier La
Category
21st Century and Contemporary French Modern Fashion Rings
Materials
Diamond, Peridot, Gold, 18k Gold, White Gold
Cartier Gemstone Love Ring 53 Sz 6.25 18k White Gold Sapphire Spinel Aquamarine
By Cartier
Located in Torrance, CA
Pre-owned Cartier gemstone Love ring crafted in 18k white gold.
Purple spinel, aquamarine, pink
Category
21st Century and Contemporary Unknown Contemporary Band Rings
Materials
Aquamarine, Sapphire, Blue Sapphire, Pink Sapphire, Spinel, Blue Topaz, ...