Marquise-Shaped Lab-Grown Diamonds – HPHT, DEF Color, VS1 Clarity (Melee Sizes: 1.5×3mm to 4×8mm)

🌿 Eco-Friendly Marquise Lab-Grown Diamonds

Discover our collection of marquise-shaped lab-grown diamonds, crafted using HPHT technology and graded DEF in color with VS1 clarity. Available in melee sizes ranging from 1.5×3mm to 4×8mm, these diamonds offer exceptional brilliance and precision for fine jewelry settings.

🌱 Sustainable Diamond Technology

• HPHT Technology: High Pressure High Temperature method for superior quality
• Zero Mining Impact: 100% environmentally responsible production
• DEF Color Grade: Near-colorless excellence with VS1 clarity
• Ethical Choice: Conflict-free and socially responsible luxury

💎 Wholesale & Custom Solutions

For wholesale pricing and size availability, please contact our customer service team. We're here to assist with custom orders, bulk inquiries, and fast global delivery.

Ecogemma offers advanced custom production capabilities. We can create lab-grown diamonds in a wide range of shapes, colors, and specifications—from classic cuts to rare hues, and sizes up to 30 carats. Whether you're seeking a unique centerpiece or a matched pair, our technology and craftsmanship ensure precision, brilliance, and ethical integrity in every stone.

📏 Available Sizes

Please Note: Our lab-grown diamond inventory and pricing fluctuate daily based on global demand and availability. For the most accurate and up-to-date stock and quotations, we kindly invite you to contact us directly.