Blue Gemstone Details Shape Oval Cut Carat Weight 1.30 CT (± 0.10 CT) Dimension 9.90*6.70*3.70 MM (± 0.10 MM) Color Blue Type Semi - Precious Gemstone Diamond Details Shape Round Cut Carat Weight 0.55 TCW (± 0.05 CT) Dimension 1.70 To 2.20 MM (± 0.10 MM) Color/Clarity EF_VS Type Lab Grown Diamond Red Gemstone Details Shape Oval Cut Carat Weight 2.50 CT (± 0.10 CT) Dimension 9.90*6.80*4.15 MM (± 0.10 MM) Color Red Type Lab Grown Ruby Gemstone Diamond Details Shape Round Cut Carat Weight 0.55 TCW (± 0.05 CT) Dimension 1.70 To 2.30 MM (± 0.10 MM) Color/Clarity EF_VS Type Lab Grown Diamond Ring Details Ring Width_Depth 2.00_1.70 MM [Customization Possible] For Blue Ring Depth 2.00_2.00 MM [Customization Possible] For Red Metal Purity Silver (925,935), Solid Gold (10KT, 14KT, 18KT); 950 Platinum Metal Tone Yellow, White, Rose Stamp/Hallmark Yes Jewelry Certificate Ouros Brand Authentic Jewelry Certificate - Contact Us for Your Certificate