0.30ct Oval Lab Grown Diamond - IGI Certified

IGI certified 0.30ct oval lab grown diamond, cut to excellent grade for maximum light return. Perfect for engagement rings, pendants, and bespoke jewellery commissions.

Why Choose Our Certified Lab Grown Diamonds

Ideal Cut Grade for Maximum Light Performance: Each diamond is precision-cut to have excellent polish and symmetry, ensuring optimal brilliance and fire that deliver the light return professional jewellers expect.

IGI Certified with Laser Inscription: Every diamond is independently graded by IGI and includes a physical certificate plus laser inscription on the girdle for traceability and client confidence.

Ethically Sourced, Conflict-Free: Our lab grown diamonds are 100% conflict-free and responsibly sourced, reflecting a commitment to sustainability and integrity that aligns with your values.

Premium Colour & Clarity: D colour for exceptional whiteness with choice of IF (Internally Flawless), VVS1, or VVS2 clarity—near-flawless quality for discerning clients.

Diamond Specifications

• Carat Weight: 0.30ct
• Shape: Oval
• Colour Grade: D
• Clarity Options: IF, VVS1, VVS2
• Polish: Excellent
• Symmetry: Excellent
• Fluorescence: None
• Measurements: 5.8mm x 4mm
• Certification: IGI

Why Buy From Us?

Trade pricing, next-day UK delivery, and expert support for professional jewellers. In-stock and ready to ship. Perfect for statement engagement rings, luxury pendants, and high-value custom designs. Whether you're creating showpiece jewellery or sourcing premium inventory, our IGI certified diamonds offer the quality, transparency, and consistency professional jewellers depend on.