13 Carat D – F SI1 Eternity Band Oval Cut Diamond Ring
The matched set totals 13.05 carats across a continuous line of Oval cut natural diamonds, graded D through F in color and SI1 in clarity, GIA certified (Rosenberg ref. 6904). A full-circle eternity band calibrated to Oval outlines at this combined carat weight is rarely encountered in finished jewelry — each stone must be individually selected for uniform color appearance and near-identical girdle dimensions across the full circumference.
GIA Color and Clarity: D–F Colorless Range, SI1
GIA grades colorless diamonds on a scale from D through Z; D, E, and F form the colorless tier, where no body color is detectable under controlled grading conditions — face-up or face-down. Assembling a D–F matched set for a continuous eternity band is a demanding sourcing requirement, as every stone in the complement must fall within this narrow color window to maintain visual consistency across the band. SI1 clarity places each stone in the slightly-included range: inclusions are not visible to the unaided eye and carry no effect on light performance or face-up appearance.
Why Oval Cut for an Eternity Band
The Oval cut’s elongated brilliant facet structure maximizes face-up surface area relative to carat weight, producing a band profile that reads proportionally larger than round or cushion alternatives of equal total weight. Set in a continuous line, Oval diamonds distribute light return across the full length of each outline rather than concentrating it at a central point, creating uninterrupted brilliance around the circumference. The absence of corners reduces prong stress relative to princess or marquise outlines, making Oval a structurally practical choice for a full-circle setting worn daily.
Platinum Eternity Band Construction
Each Oval diamond is handset in platinum — the preferred metal for eternity constructions intended for long-term wear, given its density, 95% purity, and resistance to prong deformation over decades of continuous contact. Full-circle calibration at 13.05 carats total weight requires precision matching of girdle diameters and table heights to maintain even stone spacing and a level band profile throughout. Prongs are positioned at the curvature points of each Oval outline, securing the girdle without interrupting the face-up surface area that defines this cut’s visual 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.



