“You can’t go wrong with blue and green gems.” —Editor-in-chief Victoria Gomelsky 1. Turquoise, white and blue topaz, and yellow sapphires are the perfect combo for these Deco dangles. (Jane Taylor, $2,765, janetaylor.com)2. Two-finger rings typically don’t look as stylish or feel as comfortable as this sapphire and diamond stunner. (Gabriel & Co., $1,530, gabrielny.com)  3. This unusual bangle pairing aquamarines, diamonds, and leather is summer style at its grooviest. (Pamela Huizenga, price on request, pamelahuizenga.com)  4. Sylva & Cie.’s entire collection makes me swoon—especially this hand-carved opal swallow pendant. (Sylva & Cie., $14,750, sylvacie.com)5. The gems splashed along this cuff remind me of a pool, and all I want to do is dive in. (LJD Designs, $6,500, ljdjewelrydesign