12 Carat D VS1 Emerald Cut Diamond Ring
The center stone is a 12.3-carat D VS1 Emerald cut natural diamond, GIA certified (Rosenberg ref. P-12055). Twelve-carat Emerald cuts graded D color represent an exceptionally rare convergence of weight and colorlessness — stones at this threshold account for a vanishingly small fraction of annual GIA submissions, and supply remains structurally constrained regardless of market conditions. The stone is set in handmade platinum within a three-stone composition.
GIA Color Grade: D Color and VS1 Clarity
On GIA’s D-to-Z color scale, D is the highest achievable grade, denoting the complete absence of detectable body color under standardized viewing conditions. This grade is assigned only when no color trace is perceptible even to a trained grader using a master stone comparison set. VS1 clarity — very slightly included, first degree — places the diamond in a range where inclusions are invisible to the unaided eye and exert no measurable influence on light transmission or face-up appearance at this carat weight.
Why Emerald Cut for a Top-Color Diamond
The Emerald cut’s long, parallel step facets and open table create a broad, reflective face-up that renders colorlessness with a clarity that brilliant facet patterns cannot replicate. Unlike round or radiant cuts, which fracture light into scintillation, the Emerald cut produces slow, sweeping flashes of white light — a format that makes D-grade colorlessness the dominant visual statement. At twelve-plus carats, the expanded table surface amplifies this effect, which is why the Emerald cut is the preferred format for top-color Important White diamonds.
Three-Stone Platinum Setting with Trapezoid Side Stones
Two D IF Trapezoid-cut side diamonds, 1.41 carats total weight, flank the center stone in a step-cut format. Their Internally Flawless clarity and D color grade maintain chromatic continuity with the center stone, ensuring the composition reads as a unified, colorless whole. The mount is handmade platinum — the standard metal for investment-grade diamond settings due to its density, 95% purity, and resistance to prong wear over decades of use.
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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.