14kt Yellow-Gold Ring with 3.10ct Oval Sapphire, Diamonds, Auction March 12 2026

A 14kt yellow-gold engagement ring centered by an oval blue sapphire weighing approximately 3.10 carats will be offered in a WinBids auction on March 12, 2026. The lot, listed on Bidsquare, places the sapphire at the visual and monetary heart of the piece, balanced by round diamonds that total roughly 0.50 carat.

The catalog entry specifies the metal as 14kt yellow gold and notes a metal stamp, and it includes measurements for the ring and stones. The supporting diamonds are described as round cuts, together amounting to approximately one half carat, a common approach to frame and lift an oval center without overwhelming it. The presentation in yellow gold suggests a traditional engagement-ring silhouette with warm contrast against the blue sapphire.

Bidsquare lists the auction estimate at $2,000 to $2,600, with a starting bid of $850, creating a significant margin between the opening offer and the low estimate. That spread gives bidders room to drive the price toward the catalog range; it also reflects the marketplace reality that mid-size colored-stone rings trade across a broad spectrum depending on color saturation, clarity, and documented treatment history.

The catalog provides measurements and the 14kt metal stamp but does not supply a separate gemological certificate or a treatment disclosure in the listing text. For a 3.10 carat sapphire, documentation of origin or treatment can materially affect value, and the absence of a report should be a consideration for collectors and buyers planning to bid. Photographs and the stated measurements will be essential for assessing proportions and mounting condition ahead of the March 12 sale.

This lot will test current appetite for medium-weight natural sapphires set in classic yellow-gold engagement rings: the starting bid of $850 lowers the barrier to entry, while the $2,000 to $2,600 estimate positions the ring as an attainable investment for buyers seeking a substantial center stone without the pricing of fine, certified stones. The auction results on March 12 will clarify how much premium the market assigns to a 3.10 carat oval sapphire accompanied by roughly 0.50 carat of side diamonds in a stamped 14kt setting.