Chelsea Half-Moon Three Stone Lab Diamond Engagement Ring
$4,100.00Three Rows Diamond Pavé
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Experience designer lab diamonds firsthand.
Your peace of mind is our priority. Every order is delivered via insured 2-day shipping on us.
Enjoy complimentary extended holiday returns and exchanges on purchases made November 20th–December 16th, eligible through January 15th, 2026. Made-to-order jewelry is eligible for exchanges or store credit (some exclusions apply), while in-stock jewelry can be returned or exchanged. Learn more about our full return policy and exclusions at our FAQ.
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.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001348
Approx. Carat Total Weight: 0.9
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001385
Approx. Carat Total Weight: 0.9
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001474
Approx. Carat Total Weight: 0.9
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001922
Approx. Carat Total Weight: 0.9
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001467
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k White Gold
Product Style: 1000001466
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000001347
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000001384
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000001472
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000001921
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000001479
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Yellow Gold
Product Style: 1000000322
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000001349
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000001350
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000001476
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000001923
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000000276
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: 18k Rose Gold
Product Style: 1000000275
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000001346
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000001383
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000001470
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000001920
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000000242
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Platinum
Product Style: 1000000241
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020749
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020750
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020751
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020752
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020753
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Yellow Gold
Product Style: 1000020754
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020755
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Cushion Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020756
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Emerald Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020757
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Oval Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020758
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Pear Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020759
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Radiant Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Expected Shipping Timeline: Made-To-Order (4 weeks)
Precious Metal: Two-Tone Rose Gold
Product Style: 1000020760
Approx. Carat Total Weight: 0.8
Approx. Stone Count: 101
Color/Clarity: F+/VS1+
Stone Shape(s): Round Center and Round Pavé
Side Stone Shape: Half-Moons
Band Style: Three Row Aerial
Average Width: 2mm
This item can be personalized with a complimentary engraving.
This item is eligible for resizing.
Experience diamonds with a new story—one that’s one-of-a-kind, never mined, and lighter on the planet—so you never have to choose between quality and your values to purchase the jewelry of your dreams. All of our jewelry features ethically grown, colorless lab diamonds with VS+ clarity.
Your peace of mind is our priority. Every order is delivered via insured 2-day shipping – on us.
Enjoy complimentary extended holiday returns and exchanges on purchases made November 20th–December 16th, eligible through January 15th, 2026. Made-to-order jewelry is eligible for exchanges or store credit (some exclusions apply), while in-stock jewelry can be returned or exchanged. Learn more about our full return policy and exclusions at our FAQ.
From our premier metalsmiths to our world-renowned stone setters, your jewelry is crafted by the masters of this art. Every piece is thoughtfully designed and built to last.
To protect your piece from everyday wear, we offer the Dousset Protection Plan, our extended warranty program that replaces and repairs your jewelry with care.
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
Extended Returns & Exchanges
Financing Available
Complimentary Ring Resizing
Warranty Program
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Legacy.
Liberated.
Designed by the great-great-grandson of Louis Cartier, creating the finest engagement rings and diamond jewelry is in our DNA.
Luxury at
Your Fingertips
Who says you can't have it all? We source only the top 0.1% of the world's most desirable lab diamonds so that you don't ever have to compromise on quality or your standards.
