Diamond Princess offers the 5.25-Total Carat Weight Black Spinel Set in Sterling Silver for $199.99. Coupon code "DEALNEWSXMAS" cuts it to $34.99. With free shipping, that's $165 off and the lowest price we could find. It features 925 Sterling Silver, 1.75 carats on each of the two stud earrings, and an 18" chain necklace secured with a spring ring clasp.