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Collection: Three Stone Lab-Grown Diamond Ring

Experience timeless elegance with our Three Stone Lab-Grown Diamond Ring from Antiquecut. Featuring IGI & GIA certified stones, each ring symbolizes past, present, and future love. Crafted with precision, it offers exceptional brilliance, ethical beauty, and a luxurious, modern design perfect for every occasion.

FREE Stud Earring on Purchase over $3000
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Emerald Cut 5.60tcw Lab Grown Diamond Three Stone Engagement Ring | Baguette Side Stones | Platinum/White Gold | IGI Certified

Regular price From $2,685.00 USD

Sale price From $2,685.00 USD Regular price ~~$0.00 USD~~
Unit price per
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Ethical 3.85tcw Lab-Grown Diamond Oval Ring Set with Band | IGI | Yellow Gold

Regular price From $1,861.40 USD

Sale price From $1,861.40 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue 1.50tcw Marquise Lab Grown Diamond Three Stone Engagement Ring | IGI Certified | White Gold

Regular price From $2,045.77 USD

Sale price From $2,045.77 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue Cushion Cut 3.50tcw Lab Grown Diamond Engagement Ring | Three Stone Design | IGI Certified | 10k 14k 18k Platinum Gold

Regular price From $3,630.90 USD

Sale price From $3,630.90 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue Emerald 12.50tcw Lab Grown Diamond Three Stone Engagement Ring | IGI Certified

Regular price From $9,803.93 USD

Sale price From $9,803.93 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue Emerald 6.50tcw Lab Grown Diamond Three Stone Ring | IGI Certified VVS–VS

Regular price From $4,808.16 USD

Sale price From $4,808.16 USD Regular price
Unit price per
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Fancy Blue Emerald 9.50ct + Trillion 2.50ctLab Grown Diamond Three Stone Engagement Ring | IGI Certified

Regular price From $10,444.39 USD

Sale price From $10,444.39 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue Marquise Lab Grown Diamond Engagement Ring | 11.50tcw Three Stone

Regular price From $10,321.23 USD

Sale price From $10,321.23 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Blue Pear 7.00tcw Lab Diamond Ring | Three Stone | 6ct Center + 1ct Side Stones

Regular price From $5,344.75 USD

Sale price From $5,344.75 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Pink 11.00tcw Pear Lab Grown Diamond Three Stone Engagement Ring | IGI Certified

Regular price From $7,451.48 USD

Sale price From $7,451.48 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Pink 7.00tcw Lab Diamond 3-Stone Engagement Ring | 5ct Cushion Center + 2ct Side Stones | IGI Certified

Regular price From $6,909.56 USD

Sale price From $6,909.56 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Pink Cushion 2.60tcw Lab Diamond Ring | Pear Side Stones | IGI Certified | VVS–VS

Regular price From $2,851.88 USD

Sale price From $2,851.88 USD Regular price ~~$0.00 USD~~
Unit price per
No Tariff or Duty,
all included in price.
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Fancy Pink Cushion 5.30tcw Lab Diamond Engagement Ring | Three Stone | IGI Certified

Regular price From $4,016.25 USD

Sale price From $4,016.25 USD Regular price
Unit price per
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Fancy Yellow 6.50tcw Cushion Cut Lab Diamond Ring | Rose Gold Three-Stone | IGI Certified

Regular price From $6,170.57 USD

Sale price From $6,170.57 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Yellow 6.50tcw Cushion Lab-Grown Diamond Bullet Side Stone Engagement Ring | IGI

Regular price From $6,225.38 USD

Sale price From $6,225.38 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Yellow Emerald 1.50tcw Lab Grown Diamond Three Stone Ring | IGI Certified VVS–VS

Regular price From $1,090.02 USD

Sale price From $1,090.02 USD Regular price ~~$0.00 USD~~
Unit price per
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Fancy Yellow Radiant Cut 8.00tcw Lab Grown Diamond Ring | 2.00ct Baguette Side Stones | IGI Certified | Three Stone Ring | White Gold Ring

Regular price From $9,747.89 USD

Sale price From $9,747.89 USD Regular price ~~$0.00 USD~~
Unit price per
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Heart 1.40tcw Lab Diamond Three Stone Ring | Baguette Accents | IGI Certified | DEF VVS–VS

Regular price From $940.50 USD

Sale price From $940.50 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 2.30tcw Lab Diamond Three Stone Cathedral Engagement Ring | Tapered Baguette | IGI Certified

Regular price From $1,497.08 USD

Sale price From $1,497.08 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 2.30tcw Lab Diamond Three Stone Cathedral Ring | DEF VVS–VS | IGI Certified

Regular price From $1,384.27 USD

Sale price From $1,384.27 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 3.50tcw Lab Diamond Engagement Ring | Three Stone | Pear Side Stones

Regular price From $2,264.66 USD

Sale price From $2,264.66 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 3.60tcw Lab Grown Diamond Ring | 3.00ct Center + 0.60ct Marquise Side Stones | IGI Certified | Yellow Gold Three Stone Ring

Regular price From $2,696.09 USD

Sale price From $2,696.09 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 3.80tcw Lab Grown Diamond Three Stone Engagement Ring, D-E-F Color, VVS-VS Clarity - IGI Certified

Regular price From $2,499.64 USD

Sale price From $2,499.64 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 4.40tcw Lab Grown Diamond Engagement Ring | 4.00ct Center + 0.40ct Baguette Side Stones | IGI Certified

Regular price From $3,664.16 USD

Sale price From $3,664.16 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise 5.00tcw Lab Grown Diamond Three-Stone Engagement Ring | IGI Certified

Regular price From $4,877.33 USD

Sale price From $4,877.33 USD Regular price ~~$0.00 USD~~
Unit price per
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Marquise Three Stone 3.25tcw Lab Diamond Ring | Hidden Halo Style | IGI Certified

Regular price From $1,971.26 USD

Sale price From $1,971.26 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 1.90tcw Lab Diamond Ring | 1.50ct Center + Pear Sides | IGI Certified | D-E-F VVS–VS

Regular price From $1,280.30 USD

Sale price From $1,280.30 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 1.90tcw Lab Diamond Ring | Split Shank Three Stone | IGI Certified | D-E-F VVS–VS | Yellow Gold

Regular price From $1,113.30 USD

Sale price From $1,113.30 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 2.00tcw Lab Diamond Three Stone Ring with Pear Sides | IGI Certified | D-E-F VVS–VS

Regular price From $1,221.99 USD

Sale price From $1,221.99 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 2.10tcw Lab Grown Diamond Engagement Ring | EF VS | IGI Certified | White Gold

Regular price From $1,273.52 USD

Sale price From $1,273.52 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 2.25tcw Lab Grown Diamond Three Stone Engagement Ring | D-E-F Color | VVS–VS Clarity | Unique Vintage Style | IGI Certified

Regular price From $1,313.58 USD

Sale price From $1,313.58 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 2.50tcw Lab Diamond Ring | Side Stone Band | IGI Certified | D-E-F VVS–VS | White or Yellow Gold

Regular price From $1,454.43 USD

Sale price From $1,454.43 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 3.00tcw Lab-Grown Diamond Ring | Yellow & White Gold | Three Stone Cathedral

Regular price From $1,808.69 USD

Sale price From $1,808.69 USD Regular price ~~$0.00 USD~~
Unit price per
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Oval 3.00tcw Lab-Grown Engagement Ring | Classic Three Stone | IGI Certified

Regular price From $1,808.69 USD

Sale price From $1,808.69 USD Regular price ~~$0.00 USD~~
Unit price per

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IGI / GIA Certified

We stand proudly behind our diamond and jewelry quality.

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Popular Jewelry

💍 Engagement Ring Elegance

Solitaire | Three Stone | Toi et Moi Ring | Halo Ring | Hidden Halo Ring | Side Stone Ring | Pavé Ring | Accent Ring | Two-Tone Ring | East-West Ring | Bezel Ring | Half Bezel Ring

💎 Antique Shape

Old Miner | Euro Cut | Pentagonal | Rose Cut | Kite | Octagonal | Briolette | Star | Baguette

💎 Diamond Shapes

Oval | Princess | Round | Marquise | Pear | Emerald | Cushion | Asscher | Heart | Radiant

💍 Jewelry Collection

Eternity Bands | Earrings | Necklace | Bracelets

💫 Engagement Ring Size

0.50tcw to 3.00tcw | 3.00tcw to 5.00tcw | 5.00tcw to 7.00tcw | 7.00tcw + Big

💸 Engagement Ring Price

Under $1000 | Under $2000 | Under $3000 | Under $4000 | $4000+