0.67 Carat Twisting Infinity Gold and Diamond Split Shank Pave Set Heart Shape Diamond Engagement Ring (E Color SI1 Clarity Center Stones) Houston Diamond District offers a 30 day return policy on all of its products Side Diamonds on Engagement Rings with Sidestones are G-H Color SI1-SI2 Clarity We only sell 100% Natural, conflict free diamonds. Direct Manufacturer Prices & Free Certificate of Authenticity