6.5mm x 3.3mm Marquise Lab Grown Diamond
Special Offer
Buy 5 Get 5% Off
Buy 10 Get 10% Off
Buy 20 Get 15% Off
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Estimated Delivery:03 Mar - 07 Mar
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Free Shipping: On all UK orders and international orders over £50
6.5mm x 3.3mm Marquise Lab Grown Melee Diamonds – Premium Small Loose Diamonds
Create stunning jewellery with our precision-cut 6.5mm x 3.3mm marquise lab grown melee diamonds. Expertly cut to excellent grade, these premium melee diamonds deliver the consistent sparkle and sizing professional jewellers demand for flawless execution.
Why Choose Our Lab Grown Melee
Precise Calibration: Tight +0.04mm tolerance ensures consistent sizing for seamless pavé work, channel settings, and halo designs. No sorting, no waste, no frustration—just perfect stones ready to set.
Maximum Brilliance with Excellent Cut: Every melee diamond is cut to excellent grade, delivering the fire and sparkle that makes pavé work come alive. Your finished pieces will outshine the competition.
Flexible Clarity Options for Every Budget: Choose VVS for ultra-premium pieces, VS for the perfect balance of quality and value, or SI for budget-conscious projects without sacrificing visible sparkle.
Ethically Sourced, Conflict-Free: 100% sustainably grown. Meet growing consumer demand for sustainable luxury while enjoying consistent supply and competitive trade pricing.
Diamond Specifications
- Size: 6.5mm x 3.3mm Marquise Cut
- Average Carat Weight: 0.25ct per diamond
- Colour Grade: D/E
- Clarity Options: VVS, VS, or SI
- Cut Grade: Excellent
- Calibration Tolerance: +0.04mm
- Type: Lab Grown
Why Buy From Us?
Trade pricing, next-day UK delivery, and expert support for professional jewellers. In-stock and ready to ship. Perfect for pavé settings, halo designs, eternity bands, earring accents, and restoration work. Whether you're creating custom engagement rings or restocking your bench inventory, our melee diamonds offer the precision, quality, and consistency professional jewellers depend on.
Shipping
United Kingdom
Free tracked and insured shipping on all orders. Round melee orders dispatched within 2 business days. Fancy melee and certified diamond orders dispatched within 5 business days. Delivery in 1 business day from dispatch.
International:
Free tracked and insured shipping on orders over £50. Round melee orders dispatched within 2 business days. Fancy melee and certified diamond orders dispatched within 5 business days. Delivery in 3–5 business days from dispatch.
Returns
We’re committed to your complete satisfaction. Enjoy hassle-free returns or exchanges on all items within 30 days of delivery.
Top Grade Rough
Our lab grown diamonds are created using the HPHT growth process (High Pressure High Temperature). This method emulates the conditions found in the mantle and produces high clarity and colourless diamonds which require no post-growth treatments
The Perfect Cut
Each diamond is expertly cut to the specifications needed to be graded as 'excellent'. This cut grade produces a bright and fiery diamond. Our diamonds are highly calibrated and have a tolerance of +0.04mm