20 Carat G VS1 Radiant Cut Diamond Stud Earrings
The center stones are a matched pair of GIA-certified Radiant cut natural diamonds totaling 20.43 carats, G color, VS1 clarity, set in 18-karat white gold (Rosenberg ref. 96007). Assembling a matched pair at this combined weight — with consistent color and clarity grades across both stones — is a technically demanding undertaking; Radiant cuts of this individual size are rarely encountered, and finding two with equivalent grading specifications for pairing represents a structurally limited category of supply.
GIA Color and Clarity: G on the D-to-Z Scale, VS1 Clarity
GIA grades colorless and near-colorless diamonds on a D-to-Z scale. G falls at the upper boundary of the near-colorless range and appears visually indistinguishable from D–F grades when mounted in white metal — any residual body color is not detectable face-up under normal viewing conditions. VS1 clarity places these stones in the very-slightly-included range: inclusions require magnification and trained examination to locate and have no effect on light transmission or structural integrity at this carat weight.
Why Radiant Cut for High-Carat Diamond Studs
The Radiant cut’s modified brilliant facet pattern generates high light return and broad dispersion across the crown — characteristics that translate directly into visible brightness when a stone faces upward under ambient light, which is the fixed orientation of an earring stud. Unlike step cuts, the Radiant’s pavilion facets fragment and redirect light across the full face-up surface, producing a dynamic, high-contrast appearance at the viewing distances typical of earrings. At ten-plus carats per stone, this optical behavior is immediately perceptible.
18-Karat White Gold Setting and Mounting
Each stone is set in handmade 18-karat white gold, an alloy that provides the cool, neutral reflective environment optimal for G-color diamonds — minimizing any warm tones cast into the pavilion from the metal itself. A four-prong basket configuration is employed on each stone, the standard architecture for stud earrings at this weight class, securing the diamond while leaving the maximum crown surface open to incident light. Omega-back or heavy butterfly closures provide the mechanical support required for earrings of this combined carat weight.
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.



