This is a gorgeous Van Cleef Arpels gold and diamond ring. It's a very rare and highly collectible piece from the 70's! It is done in 18k yellow gold with 0.17 ctw of great quality diamonds VS1 clarity, H color. The ring is fully marked "Van Cleef Arpels 750, with unique serial number. It is size 5 US, 50 FR. The ring cannot be re-sized. It is in great condition. I no longer have a purchase receipt but it can be authenticated at any Van Cleef Arpels boutique. Please email me if you have any questions.