Product Description Experience the magic of color-change brilliance with our Lab-Created Alexandrite Heart Cut Gemstones — AAA Quality, available in calibrated sizes from 3mm to 10mm. These expertly faceted heart-shaped stones shift beautifully between green, teal, and violet tones depending on the light, offering an eye-catching look ideal for both modern and romantic jewelry designs. Each gemstone is precision-cut for maximum sparkle, high clarity, and perfect heart symmetry. Whether you’re creating a custom engagement ring, earrings, pendant, or a sentimental gift, these lab alexandrites deliver exceptional beauty and consistency. Highlights Gemstone: Lab-Created Alexandrite Shape: Heart Cut Quality: AAA Sizes Available: 3mm to 10mm (calibrated) Color: Color-changing — green/blue in daylight, purple/violet in warm light Clarity: Eye Clean Cut: Precision Heart Faceted Hardness: 8.5 Mohs (durable for daily wear) Treatment: Lab grown — No additional enhancements Finish: Excellent polish & symmetry Stone Creation: Eco-friendly, sustainable production Benefits Strong color-change effect: A signature feature of high-quality alexandrite. Romantic heart shape: Perfect for sentimental and gift jewelry. Durable & long-lasting: Hardness of 8.5 makes it suitable for rings and daily wear. Consistent quality: Lab creation ensures uniform color, clarity & calibration. Beautiful in all metals: Looks stunning in yellow, white, and rose gold settings. Usage These heart-cut alexandrites are ideal for: Engagement rings Promise rings Stud earrings or matched pairs Pendants & charms Birthstone jewelry (June) Custom fine jewelry Anniversary & romantic gifts Perfect for jewelers, designers, and DIY jewelry makers. Quality Assurance Each stone is inspected for: Correct calibrated size Heart symmetry & facet alignment Strong color-change behavior Clarity & polish quality AAA-grade brilliance Includes an in-house Certificate of Authenticity. Shop Policies Processing Time: 1–2 business days Shipping: Worldwide shipping with tracking & insurance Returns: 30-day return policy (unused stones only) Support: Matching pairs & bulk orders available