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5.60 CT Oval Cut Aquamarine & 0.97 TW Diamond 18K White Gold Pendant
In-store pricing snapshot
Last known warehouse price ยท Sep 13, 2025. Currently out of stock.
* Prices shown are for Costco members only.
This elegant pendant showcases a stunning 5.60-carat oval cut aquamarine center stone set in lustrous 18-karat white gold, accented by 0.97 total carat weight of brilliant-cut diamonds. The oval cut maximizes the aquamarine's distinctive blue-green color while creating an elongated, flattering silhouette that appears larger than its carat weight suggests.
Aquamarine, the March birthstone, is prized for its captivating sea-blue hues ranging from light sky blue to deeper ocean blue. The generous 5.60-carat size ensures a bold, eye-catching centerpiece. The surrounding diamonds, totaling 0.97 carats, create a brilliant sparkling frame that enhances the aquamarine's natural color. The 18-karat white gold setting provides a bright, contemporary backdrop that perfectly complements the stone's cool blue tones, and the metal is typically rhodium plated for added durability and luster.
All diamonds offered by Costco are natural and untreated. Colored gemstones, including aquamarine, are often enhanced in the production process to optimize their color and clarity. The pendant includes an adjustable 18-inch chain with a secure lobster clasp.