Caperci Direct via Amazon offers its Caperci Created Blue Sapphire Diamond Accent Infinity Pendant Necklace in Sterling Silver for $26.99. Coupon code "ZP46JK78" cuts that to $16.19. Plus, Prime members bag free shipping. That's tied with our May mention and $84 under the lowest price we could find for a similar necklace elsewhere. It features a 4.5mm created blue sapphire and 18" chain.