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Chelsea Half-Moon Three Stone Lab Diamond Engagement Ring
An elevated twist on our iconic Chelsea, this Three Stone Engagement Ring is custom-crafted with a hand-selected lab diamond center stone, three rows of brilliant cut pavé, and two perfectly matched half-moon side stones. Diamond pavé lines the bridge and gallery to maximize brilliance.
Experience diamonds with a new story, where you don’t need to sacrifice quality or size to create the diamond ring of your dreams. We curate each diamond to ensure that you only select from the best.
Our lab diamond center stones are always GIA-certified and individually selected by our team of experts. Learn more about our diamonds.
Your peace of mind is our priority. Every order is delivered via insured 2-day shipping – on us.
We want you to shop stress-free, so we offer a 14-day complimentary return policy on all of our engagement rings. Learn more about our full return policy and exclusions at our FAQ.
Unsure of your ring size? We offer one complimentary resizing for bridal purchases (engagement rings and non-eternity set rings) within the first six months of delivery and within ¾ up or down from the original size to maintain the ring’s integrity. Any additional resizing will be subject to a charge. Learn more about our resizing policies or purchase our at-home ring sizer.
From our premiere metalsmiths to our world-renowned stone setters, your jewelry is in the hands of the masters of this craft. We are dedicated to crafting quality products, designed to be yours for years to come.
We stand behind our craftsmanship and offer a complimentary lifetime warranty against all manufacturing defects.
You Above All®
Our shopping experience is carefully designed with you in mind. Stress-free from start to finish with complimentary, no-hassle services—and that’s our promise.
2-Day Insured Shipping
14-Day Returns & Exchanges
Complimentary Ring Resizing
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Designed by the great-great-grandson of Louis Cartier, creating the finest engagement rings and diamond jewelry is in our DNA.