Hallmark reads CORONATION 10K. Size 6 1/2. Solid 10k yellow gold & beautifully cut faux sapphires. I assume they're glass but they twinkle enough that maybe they're lab created sapphires? I don't know. New to Poshmark? Sign up using my code to save an automatic $10 off your first purchase. https://posh.mk/WX0MC5vRuub