Koharu Opal Earrings with Diamonds in Yellow GoldIn Japanese, "" (koharu biyori) describes those precious winter days that feel as warm and bright as spring. Like these fleeting moments of unexpected beauty, the Koharu earring capture gentle elegance in its delicate form a small treasure that brings healing warmth to the wearer. K10 yellow gold with Australian opals and natural diamonds Oval opals, premium, 6 mm x 4 mm Secure plastic butterfly earring backs included Product number: 260045