100 Carat Fancy Yellow-VS2 With A 5ct Fancy Yellow Radiant Cut Diamond Riviera Necklace
The centerpiece of this graduated riviera necklace is a 5-carat Fancy Yellow Internally Flawless Radiant cut natural diamond, GIA certified (Rosenberg ref. 96648). The necklace comprises 99.87 carats total weight of Fancy Yellow Radiant cut diamonds, grading from IF to VS2 across the graduated sequence. Assembling a color-matched graduated suite of Fancy Yellow Radiant diamonds at this total weight represents one of the most demanding sourcing tasks in the colored diamond market — coordinated saturation across stones of varying diameter is rarely achieved at this scale.
GIA Color and Clarity Grades: Fancy Yellow and Internally Flawless
GIA grades natural yellow diamonds on a saturation scale from Faint through Fancy Vivid; Fancy Yellow denotes consistent, face-up yellow body color achieved without dependence on fluorescence or uneven color zoning. Internally Flawless is the highest clarity designation GIA assigns — indicating no internal inclusions and no surface blemishes detectable under 10× magnification. At the center stone position, an IF clarity grade in a 5-carat Fancy Yellow Radiant represents an intersection of size, color, and clarity that accounts for a negligible fraction of annual GIA submissions.
Why Radiant Cut for Fancy Yellow Stones
The Radiant cut combines a rectangular outline with a modified brilliant facet arrangement, a structure specifically suited to intensifying body color face-up relative to step cuts such as the Emerald or Asscher. For Fancy Yellow diamonds, the Radiant’s deeper pavilion and higher facet count maximize the optical path through the diamond’s body, reinforcing perceived saturation — the primary driver of value in fancy color grading. Across a graduated sequence, Radiant cuts also maintain visual consistency due to their uniform crown geometry.
Graduated Riviera Construction and Setting
A graduated riviera necklace arranges diamonds in descending carat weight from a central apex outward, producing a continuous, uninterrupted line of color. Each Radiant cut stone is individually calibrated and set to preserve consistent color face-up across the full clarity range from IF to VS2. The mount is handmade platinum — the standard metal for investment-grade colored diamond suites due to its 95% purity, density, and long-term resistance to prong deformation under daily 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.