Every color of the rainbow seems to flash through this beautiful opal

as they do transition into a statement-style cocktail ring

this precious gem gives the ring gravity and stature

and something blue

Ametrine Cocktail Ring in Looping Gold Frame #121624 Every color of the rainbowLoops of yellow gold make a beautiful frame for this ametrine. Known for its bicolor properties, this ametrine is emerald cut for a dynamic look. The openwork shoulders give an airy feel, beautifully complementing the whimsical design. Metal: 10K Yellow Gold Gem: Ametrine Gem Measurements: 12. 0 x 10. 0 mm, Emerald Cut Ring Size: 8 Marks: "10K CS" Stamped on the inside band