These drop earrings feature round tanzanite gemstones approximately 7 mm in diameter, set in rhodium-plated 14kt white gold with an elegant infinity-style twist bail accented by round brilliant diamonds. The pair includes two tanzanite stones and 12 round brilliant-cut diamonds totaling 0.12 carats, graded VS2 clarity and near-colorless I color. The earrings secure with a push-post backing for comfortable all-day wear.

Tanzanite is the December birthstone and is mined exclusively in Tanzania near Mount Kilimanjaro. As with all colored gemstones offered by Costco, these tanzanite stones have been enhanced in the production process, which is standard industry practice. All diamonds are natural and untreated.