15 Carat D Flawless Emerald Cut Diamond Ring
The center stone is a 15.19-carat D Flawless Emerald cut natural diamond, GIA certified (Rosenberg ref. 700787). D color and Flawless clarity represent the apex of both grading scales — stones combining these two grades at fifteen carats are among the rarest configurations in the market, appearing in only a small number of GIA submissions annually at this weight class.
GIA Grades: D Color and Flawless Clarity
On GIA’s D-to-Z color scale, D is the highest designation, indicating a complete absence of detectable body color under standardized grading conditions. Flawless — GIA’s highest clarity grade — means the stone contains no inclusions or surface blemishes visible to a trained grader under 10× magnification. At 15 carats, achieving both grades simultaneously is structurally uncommon; clarity characteristics tend to accumulate as crystal size increases, making a Flawless designation at this weight a statistically infrequent outcome regardless of source.
Why Emerald Cut for a D Flawless Diamond
The Emerald cut’s step-cut facet arrangement — long, parallel facets running parallel to the girdle — produces broad, mirror-like reflections rather than the fragmented brilliance of round or Radiant cuts. This optical behavior is not incidental: it places the color and transparency of the rough directly on display. For a D Flawless diamond, where the complete absence of color and internal characteristics are the primary value drivers, the Emerald cut’s hall-of-mirrors effect communicates those properties more directly than any brilliant-style facet pattern.
Platinum Three-Stone Setting with Tapered Baguette Side Stones
Two Tapered Baguette side diamonds, 0.74 carats total weight, flank the center stone in a step-cut format that maintains visual continuity with the Emerald cut’s linear geometry. Tapered Baguettes provide a low-profile, receding frame — directing attention to the center without generating competing light return. The mount is handmade platinum, the preferred metal for D-color diamonds due to its naturally white tone, which eliminates any warm cast that could compromise the center stone’s colorless grade, and its density ensures structural stability of the prongs over decades of 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.