- Liane Oval Mystic Topaz Adorned With Stylish Prongs and Accent Diamond Ring for Women in 10k White Gold For WomenUS$ 300.00Total diamond weight .03ctMargaret 14K White Gold Oval Mystic Topaz and Diamond Halo RingUS$ 581.00Total diamond weight .15ctSilvana Mystic Topaz and Pear Shape Diamond Shoulder Ring in 10K White Gold For WomenUS$ 375.00Total diamond weight .04ct