Introducing the 3 Set Ruby Round Cut Lab Grown Diamond Gemstone - because you're a gem who deserves nothing less than the best! Sparkle with these ethically-made, high quality stones that will make any outfit pop. Perfect for a night out or a special occasion. Shine on, you diamond! A "3 Set Ruby Round Cut Lab Grown Diamond Gemstone" likely comprises three pieces of jewelry featuring round-cut lab-grown diamond gemstones in a rich ruby hue. Here's a description of each piece: Necklace: The necklace in this set boasts a pendant adorned with a round-cut lab-grown diamond gemstone in a vibrant ruby color. The gemstone serves as the focal point of the pendant, which may be suspended from a delicate chain or a more elaborate necklace design. Earrings: The earrings are designed with round-cut lab-grown diamond gemstones in a captivating ruby hue. They may feature a stud or dangle style, allowing the gemstones to catch the light and add sparkle to the wearer's ensemble. Ring: The ring in this set showcases a round-cut lab-grown diamond gemstone with a deep ruby color. The gemstone is the centerpiece of the ring, set in a band that may feature additional accent stones or intricate detailing to enhance its beauty. MATERIAL: Lab Imitation Diamond Stone, 5A Cubic Zirconia Category Information Hardness 8.5 Specific Gravity 5.6-6.0 Refractive Index 2.15-2.18 Dispersion Index 0.058-0.066