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 Houston Diamond District 1 to 5 Carat Vintage Halo Style Channel Set Round Brilliant Diamond Engagement Ring Moissanite Diamond Platinum 0.75 Carat Size: 5.5