10k Two Tone Gold Diamond Stud Earrings - IGI Certified Also available in all other diamond clarity & all other metal kt. IGI Certified Diamond Stud Earring. 10K White & Yellow Gold Stud Earring. Best jewelry for all occasions and outfits. Elegantly packaged in a lovely jewelry box. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!