As a "something blue" gift for her sister's upcoming wedding, a customer customized our href=" title="5mm Crown Solitaire Engagement Ring">5mm Crown Solitairewith a 1.6mm round band (similar ring href=" title="Round Stacking Ring">here). Pictured here in shiny 10k yellow gold, with a href=" title="Eco-friendly, Lab-Grown Chatham Blue Sapphires">dark blue Chatham sapphire. Custom Crown Solitaire with Chatham Sapphire