Vintage 1970’s Sterling Silver 925 Necklace and pendant

Vintage 1970’s Sterling Silver 925 Necklace omega choker with blue oval shape pendant. Pendant features a beautiful blue stone that looks like Turquoise, Unfortunately I don’t know if is real or lab created. Signed IBB 925 KOREA 40.6 grams!. 18” long EXCELLENT VINTAGE CONDITION. NECKLACE WAS POLISHED BACK IN JULY/22. AS PICTURED. ✅PLEASE FEEL FREE TO ASK ANY QUESTIONS BEFORE BIDDING BECAUSE UNFORTUNATELY I DON’T ACCEPT RETURNS, THANKS FOR UNDERSTANDING. ✅ALL MY SALES ARE RECORDED BEFORE DURING AND AFTER PACKING FOR BUYER AND SELLER PROTECTION ~