Certified 4.25 Carat Cushion Lab-Grown Diamond , hand-selected for the The Ziva Diamonds Collector's Portfolio. The Cushion cut features gently rounded pillowed edges and enlarged facets that disperse light in romantic, vintage-inspired flashes of colored fire. Ethically cultured in state-of-the-art laboratory environments with 100% identical optical, physical, and chemical properties to mined diamonds, offering eco-conscious luxury. Diamond Specifications & Grading Standards Diamond Shape: Cushion Cut Origin & Type: Certified Lab-Grown Diamond Color Grade: E (Colorless Collection - Top Tier Radiance) Cut / Clarity Grade: Excellent Optical Fire & Symmetry: Triple Excellent symmetry, polish, and proportion standards for maximum light reflection. Ethical Certification: 100% Conflict-Free guaranteed; laser-inscribed for provenance and verification. Recommended Settings: Ideal centerpiece for bespoke engagement rings, custom solitaire pendants, or investment portfolios. Inclusions: Protective tamper-evident security vault packaging, official gemological grading dossier, and Lifetime Authenticity Guarantee. Each diamond is individually verified under 10x magnification by our graduate gemologists before shipment to guarantee flawless authenticity and peerless quality.