15 Carat D Flawless Round Brilliant Cut Diamond Stud Earrings
The matched pair totals 14.75 carats across two Round Brilliant natural diamonds, each graded D color and Flawless clarity, GIA certified (Rosenberg ref. 700475). D Flawless Round Brilliants at this combined weight occupy the uppermost position on GIA’s grading matrix — matched pairs in this category are rarely encountered in the primary or secondary market, representing a concentration of optical and grading rarity that distinguishes this piece from virtually all comparable earring configurations.
GIA Color and Clarity Grades: D and Flawless
D is the highest grade on GIA’s D-to-Z color scale, indicating a complete absence of detectable body color when the stone is viewed face-down under standardized conditions. Flawless (FL) is GIA’s highest clarity designation — no inclusions or surface blemishes are visible to a trained grader under 10× magnification. The combination of D color and Flawless clarity places both stones at the absolute apex of GIA’s grading scale, a distinction held by a small fraction of Round Brilliant diamonds submitted to GIA in any given year.
Round Brilliant Cut in the Earring Context
The Round Brilliant’s 58-facet arrangement is engineered for maximum light return, producing the highest average brilliance and fire achievable within a single diamond cut form. In an earring setting, stones are viewed at eye level and from continuously shifting angles throughout wear; the Round Brilliant’s rotationally symmetrical facet pattern maintains consistent optical performance in all orientations, independent of light source direction.
18-Karat White Gold Stud Construction
Each stone is set in handmade 18-karat white gold — a 75% fine gold alloy with the hardness required for precise prong fabrication at this stone mass. The prong basket is calibrated to secure the girdle without encroaching on the face-up diameter, preserving the full visual weight of each center diamond. Screw-back or heavy friction posts are sized proportionally to the carat weight, providing the mechanical retention appropriate for stones of this scale in daily wear.
Speak with an AdvisorCare
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.



