Mod Simulated Black Onyx Hoop Earrings These mod, simulated black onyx hoop earrings are 1.5in and have a sterling silver that's easy to match and a sure-fire favorite gift for anyone with pierced ears. Measure: 1.5in x 1.12in Weight: 6 Grams Material: .925 Sterling Silver, Dyed Black Onyx Material: .925 Sterling Silver, Dyed Black Onyx Measure: 1.5 in L x 1.12 in W Weight: 6 Grams These mod, simulated black onyx hoop earrings are 1.5in and have a sterling silver that&#039;s easy to match and a sure-fire favorite gift for anyone with pierced ears. Measure: 1.5in x 1.12in, Weight: 6 Grams, Material: .925 Sterling Silver, Dyed Black Onyx.