Oval Artificial Blue Sapphire stud pierced earrings

I looked everywhere for a 925 Mark and could not find one. I am assuming these are artificial since they came from a Lot of costume jewelry. These are so elegant, so so pretty! smoke-free one 🐕 home 💙 20% off 2 or more items. 💛 Make a $20+ purchase, add a $1-$5 item for free! Look for 💛 listings! 💜 I ship asap, love offers, and am happy to answer questions. 💚 Sign up on Poshmark using my code LITTLELADY1764 and get $10 credit! SZ515JY1