Vintage Rhinestone Costume Necklace fix repair missing 2 stones broken craft

I was so excited to pick up this piece at an estate sale, only to find, upon photographing to list, that it is missing two stones…sad. No markings / signatures / or hallmarks that I could find with naked eye. It is silver tone with clear rhinestones. Costume piece. Measures 17” without clasp or extension. Extension is approx. 2” Photos with the pencil show the where the two stones are missing…one round and one pear shaped. I’ve left it unlisted hoping to find the right size and shape stones to replace but no luck. I’m sure there is a handy jeweler / crafter who can either repair or repurpose this special piece, to keep or resell for much more. Please ask any and all questions, prior to purchase….price is negotiable within reason, I’m kinda in love with this so not a lot of wiggle room - still hoping to rescue it. Note on measurements: I cannot fit full photo with entire measuring tape into the frame, at least not so that it is readable…so shown in sections without moving the jewelry.