Customize our designs with one-of-a-kind, AAA mined gemstones, or choose lab grown gemstones for a great value at a lower cost.
At Gembuilder, we believe that the jewelry you wear should be one of a kind, like you. That's why we make each piece to order, one at a time, just the way you want it. Choose Emerald and Silk or Calcite and Silver and Gold: it's your choice. Mix and match gems and precious metals for a look that's exactly you. Gembuilder uses only the highest quality materials to craft your Marquise Lab Sapphire Valentine's Day Jewelry design with meticulous attention to detail. Our precious metals are recycled or responsibly mined. Gembuilder's lab created sapphire sparkles with the clarity of royal blue ocean.Our wide selection of Marquise Lab Sapphire Valentine's Day Jewelry by talented designers means you can find jewelry that's exactly your style. You can also shop by style, choosing our Hearts, Split Shank, or Ring Sizer Collections. Gembuilder's fine quality Marquise Lab Sapphire Valentine's Day Jewelry is designed to be passed down for generations to come, crafted by hand in the United States.