Vintage large round pink sapphire in 10K gold band

Stunning vintage lab grown pink (peach) sapphire in 10K gold band. Jeweler appraised the value at $600.00. Sapphire thermal tested by jeweler. Diameter of round sapphire approximately 1/2 inch. Sapphire is brilliant and lively with different lighting. 10K gold setting. Gemstone is solidly set. Vintage from 1960’s and is in excellent vintage condition. Any questions, please ask. From smoke and pet free home. Weight 4 grams Ring size 5 1/4