Cartier Trinity 1999 0.75ctw Diamond Solid 18K Tri-Color Gold Ring Set - This lovely Trinity ring set from Cartier is designed as a stack with one solid 18k white gold band paved with approximately 0.75ctw VS1-VS2/G-H diamonds, flanked by one 18k yellow and 18k rose gold bands. The ring is signed "Cartier" and "1999" on the inside of the white gold band along with the serial number, gold purity "750", Cartier's Italian register mark and the ring size "49". Condition: The ring is in excellent estate condition with all diamonds intact, minimal signs of wear. (WEIGHT: 14 grams) The Cartier Trinity collection is a motif symbolizing life's most memorable loves, with three interlocking bands symbolizing love, fidelity and friendship. This particular model is a rare, retired design which is incredibly hard to find. These retired designer pieces have proven to become the best quality investment pieces.