Collection: Marquise Lab-Grown Diamonds – Ecogemma

A Legacy of Light. A Future of Integrity.
Royal romance meets modern brilliance
👑 Royal Heritage
Born from royal romance and shaped for modern brilliance, the Marquise cut is a timeless silhouette with a story as captivating as its sparkle. Legend tells of King Louis XV commissioning a diamond to resemble the lips of his beloved Marquise de Pompadour—thus giving rise to this elegant, elongated shape that flatters the hand and mesmerizes the eye.
Our lab-grown Marquise diamonds honor this legacy with a bold step forward. Using world-class cultivation technology, each diamond is grown to perfection—achieving the same chemical and optical properties as mined diamonds, but with zero environmental damage, no conflict, and ethical transparency.
💎 Marquise Cut Features
🔬 World-Class Technology
💍 Statement of Values
The signature tapered points and sweeping curves of the Marquise cut create a dramatic play of light, maximizing brilliance while elongating the form with regal grace. Every diamond in this collection is IGI-certified, ensuring authenticity, precision, and peace of mind.
This is more than a diamond—it's a statement of values, a celebration of innovation, and a tribute to romantic heritage. For those who seek beauty with depth and elegance with purpose, the Marquise Lab-Grown Diamond Collection is your crown jewel.
Collection Highlights
IGI-Certified
Marquise Lab-Grown Diamonds
Royal Legacy
Historic Romance & Elegance
Scientific Innovation
World-Class Cultivation
Dramatic Brilliance
Maximum Light Play
Ethical Integrity
Values & Innovation
Perfect for Regal Settings
Statement Rings
Elongated elegance
Dramatic Pendants
Royal presence
Crown Jewels
Heritage pieces
Crafted by Science. Guided by Ethics.
Inspired by love. Experience the royal elegance of our Marquise lab-grown diamonds—where historic romance meets modern innovation, and timeless beauty reflects your deepest values.
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Marquise Cut 8.45ct Fancy Vivid Yellow VS1 CVD Lab Grown Diamond IGI Certificate LG 707565899
Regular price $15,000.00 USDRegular price$22,000.00 USDSale price $15,000.00 USDSale -
Fancy Vivid Yellow Marquise 8.45ct VS1 EX EX Lab Grown Diamond with IGI Certificate LG707565899
Regular price $13,500.00 USDRegular price$17,800.00 USDSale price $13,500.00 USDSale -
Marquise-Shaped Lab-Grown Diamonds – HPHT, DEF Color, VS1 Clarity (Melee Sizes: 1.5×3mm to 4×8mm)
Regular price $110.00 USDRegular price$330.00 USDSale price $110.00 USDSale