10 Carat D Flawless Radiant Cut Diamond Ring
The center stone is a 10.00-carat D Flawless Radiant cut natural diamond, GIA certified (Rosenberg ref. P-12043). Ten-carat colorless diamonds graded Flawless represent an exceptionally rare intersection of size and quality — GIA’s Flawless grade is awarded to fewer than one percent of all diamonds submitted for grading, and occurrences at double-digit carat weights in the D color range are rarely encountered in any single year of global production.
GIA Color and Clarity: D Flawless
D is the highest grade on GIA’s D-to-Z color scale, indicating a complete absence of color detectable under standardized, controlled conditions — the benchmark against which all other colorless grades are measured. Flawless clarity means the diamond contains no inclusions or blemishes visible under 10x magnification by a trained grader. At ten carats, achieving both grades simultaneously is not a matter of selection from existing inventory — it is a direct function of geological rarity in the rough crystal.
Why Radiant Cut for a 10-Carat Colorless Stone
Radiant cut diamonds combine a rectangular outline with a modified brilliant facet structure, generating optical performance comparable to a round brilliant while retaining more rough yield than round or cushion alternatives at equivalent carat weights. For a D Flawless stone of this scale, the Radiant’s deep pavilion and multifaceted crown maximize face-up light return and scintillation — the primary visual attributes that differentiate diamonds at the top of the GIA color scale in large-format settings.
Platinum Three-Stone Setting with Tapered Baguette Side Stones
Two tapered baguette-cut side diamonds, 0.59 carats total weight graded F color VS1 clarity, flank the center stone in a step-cut format. Tapered baguettes provide a low-profile, architecturally precise transition from the center stone’s width to the shank without introducing competing facet patterns or visual noise. The mount is handmade platinum — the standard metal for diamonds of this grade due to its 95% purity, structural density, and long-term prong integrity that gold alloys cannot sustain over decades of continuous wear.
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Care
Preserve the brilliance of your diamond through proper care. We recommend professional cleaning annually and safe storage in a jewelry box or pouch. Avoid exposure to harsh chemicals and extreme temperatures. Learn more about our complete care guide for detailed maintenance and storage best practices.
Warranty
Every Rosenberg piece comes with a warranty covering craftsmanship and authenticity. Our warranty protects against manufacturing defects and ensures your diamond’s certified quality. For warranty details, claims, or to register your purchase, contact our specialists.
Delivery
Your diamond is shipped via insured, tracked delivery with full insurance coverage included. Packages are carefully packaged in premium materials and require a signature upon delivery. Review our shipping and delivery policy for complete details about timelines and handling.