Questions & Answers
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What does .50 mean on a ring?
1 Answer

The numbers stamped inside a diamond ring indicate the carat weight of the diamond in the ring. The number .50 would indicate the diamond is half a carat. This can be confirmed by the certificate or appraisal paperwork. Shop a selection of diamond rings and jewelry on 1stDibs.
1stDibs ExpertApril 5, 2022
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Shop for Ring With 50 Diamonds on 1stDibs
1950s White Platinum French Ring with .50 Ct, Diamond Center
Located in Lexington, KY
This beautiful French platinum ring features a warm center diamond, surrounded by 12 brilliant
Category
Vintage 1950s French Contemporary Engagement Rings
Materials
Diamond, Platinum
18KT WG & YG Heart Shaped 2.00 Carat Blue Sapphire Ring with .50 Carat Diamonds
Located in New York, NY
diamonds. The ring is a combination of white and yellow gold. The shape of this ring outlines the heart
Category
Vintage 1980s Italian Contemporary Cocktail Rings
Materials
Blue Sapphire, Diamond, 18k Gold, Yellow Gold, White Gold
Platinum Wedding Band with Five Round Diamonds .50 Total Diamond Weight
Located in Manhasset, NY
Platinum Wedding Band with Five Round Diamonds 0.50 Total Diamond Weight
Size 6.75 with 8 grams
Category
2010s Band Rings
Materials
Diamond, Platinum
Cartier Love Ring Paved in 18K White Gold with Diamonds 4mm 5.25 US / 50 EU
By Cartier
Located in New York, NY
This original Cartier Love Ring is crafted in 18K white gold and features pavé-set diamonds
Category
21st Century and Contemporary Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
Bulgari Diamond Gold Cocktail Ring
By Bulgari
Located in Holland, PA
18k Yellow Gold Diamond Ring by Bulgari.
With 50 Diamonds approximately weighing 2cts With G
Category
Vintage 1980s Italian Cocktail Rings
Materials
Diamond, 18k Gold
Estate Diamond Bombé 18K Gold Dome Ring
Located in Houston, TX
18K yellow gold bombé style ring with 50 round diamonds totaling 3.50 carats; H-J color and VS1-SI1
Category
Mid-20th Century Unknown Dome Rings
Materials
Diamond, 18k Gold, Yellow Gold