First created in 1924, the Cartier Trinity collection features three interlocking bands of white, yellow, and rose gold. Each color of 18K gold in a Trinity ring is said to represent one of the aspects of a relationship: The white gold band symbolizes enduring friendship . The yellow gold band is said to represent the loyalty or fidelity of marriage. The rose gold band stands for true love.

Anniversary Rings
Anniversary Rings Three Tone Ring, 18K Gold And Diamonds Band, Anniversary Ring, Wedding Ring, Diamond Band, Trinity Ring, Tri Color Ring, Stackable Ring Leige Jewelry Anniversary Ring Ruby Ring July Birthstone Round Cut Red Gemstone Solid 925 Sterling Silver Ring Gifts for Women //Price: $US $95.00 & FREE Shipping // #jewelry Pearl Ring-Pave Set Diamond Stimulants Halo Engagement Ring-Bridal Ring-Promise Ring-Anniversary Ring-Prom Ring-925 Sterling Silver-R80751 by Besbelle on Etsy https://www.etsy.com/listing/222567077/pearl-ring-pave-set-diamond-stimulants 4.30CT Pear Cut Pink Padparadscha Sapphire Round Diamond Cut White Sapphire Promise Engagement Anniversary Ring Size 6.75 by JoyofLondon on Etsy

MYRAY 14k Rose Yellow White Gold Natural Round Ruby Diamonds Heart Shaped wedding band Engagement Anniversary Ring Women CoupleDiamond five stone halo anniversary ring wedding band in platinum 4.25 “descendants 1” by geekgirl199 ❤ liked on Polyvore featuring jewelry, rings, birthstones, red, cubic zirconia eternity ring, ruby ring, red ring, sterling silver cz rings, sterling silver anniversary rings and shoes Quote Idea – Love Rings, His n Hers, Promise Rings, Wedding Rings, Anniversary Rings, Personalized, Stamped, Solid Sterling Silver Pave Diamond Wedding Band Half Eternity Anniversary Ring 14K Rose Gold Floral Curved – Lord of Gem Rings – 1 Diamond five stone halo anniversary ring wedding band in platinum 4.25

Refer: https://www.etsy.com/il-en/listing/270193374/three-tone-ring-18k-gold-and-diamonds