3.00tcw to 5.00tcw Lab Grown Diamond Rings

Shop 3.00tcw to 5.00tcw lab-grown diamond rings that radiate brilliance. IGI certified, ethically crafted, and made to celebrate your forever moments.

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269 products

Radiant 3.30tcw Fancy Pink Lab Diamond Ring | IGI Certified | White Gold | Round Side Stones | Ethical Engagement Ring
Marquise 4.00tcw Fancy Pink Lab Diamond Ring | Halo Pavé | IGI Certified | VVS–VS
Oval Fancy Pink 3.15tcw Lab Diamond Halo Engagement Ring | Hidden Halo | IGI Certified
Oval 3.70tcw Lab Grown Diamond Halo & Hidden Halo Ring | IGI Certified | DEF |VVS–VS
Emerald 4.00tcw Lab Diamond Three Stone Half Bezel Ring | IGI Certified | D-E-F VVS–VS
Pear 4.00ct Lab Diamond Double Wave Band Ring | IGI Certified D-E-F Color, VVS–VS Clarity
Modern 4.00ct Radiant Lab Diamond Ring | Bezel Cathedral Setting | IGI | Ethical Gold
3.10tcw Emerald Lab Diamond Engagement Ring | Hidden Halo | Baguette Accents | IGI Certified
Heart 4.50tcw Fancy Yellow Lab Diamond Cathedral Semi-Bezel Ring | Hidden Halo | IGI Certified
Radiant 4.00ct Lab Grown Diamond Wave band Engagement Ring, D-E-F Color, VVS-VS Clarity
Elongated Cushion 3.00tcw Old Mine Lab Diamond Ring | Unique Band | IGI Certified | D-E-F | VVS–VS
Radiant 3.90tcw Fancy Yellow Lab Diamond Ring | Two-Tone | Hidden Halo | IGI Certified
Fancy Pink 5.50tcw Cushion Lab Diamond Halo Ring | IGI Certified | VS Clarity
Cushion 4.90tcw Lab Diamond Engagement Ring | Pavé Band | IGI Certified | White GoldCushion 4.90tcw Lab Diamond Engagement Ring | Pavé Band | IGI Certified | White Gold
Radiant 3.60tcw Fancy Orange Lab Diamond Ring | IGI Certified | Three Stone White GoldRadiant 3.60tcw Fancy Orange Lab Diamond Ring | IGI Certified | Three Stone White Gold
Oval 4.30tcw Lab Diamond Ring | Emerald & Round Side Stones | Yellow Gold | IGI CertifiedOval 4.30tcw Lab Diamond Ring | Emerald & Round Side Stones | Yellow Gold | IGI Certified
Pear 3.20ct Halo Lab Diamond Ring | Pave Band | IGI CertifiedPear 3.20ct Halo Lab Diamond Ring | Pave Band | IGI Certified
Pear Toi et Moi 3.15ct Lab Diamond Ring | Unique Two-Stone | IGI CertifiedPear Toi et Moi 3.15ct Lab Diamond Ring | Unique Two-Stone | IGI Certified
4.30 Carat Emerald Lab Diamond Ring | IGI Certified | Modern Split Shank | White & Yellow Gold
Oval 3.00tcw Fancy Pink Lab Diamond Halo Ring in White Gold | IGI CertifiedOval 3.00tcw Fancy Pink Lab Diamond Halo Ring in White Gold | IGI Certified
Oval 3.10tcw Lab Diamond Ring | Marquise & Round Sides | IGI Certified | D-E-F VVS–VS | White Gold
3.60tcw Emerald Lab-Grown Diamond Wedding Band | Six Stone | DEF Color VVS–VS Clarity
5.00tcw Radiant Lab Diamond Three-Stone Ring | IGI | Sustainable Luxury | Yellow Gold
Marquise 2.50tcw Lab Diamond Bypass Ring | IGI Certified | D-E-F VVS–VS | Custom Gold | AntiqueCut
Oval 3.30tcw Lab Diamond Half Eternity Wedding Band | IGI Certified DEF VVS–VS Clarity
4.00ct Pear Lab Grown Diamond Two-Tone Solitaire Engagement Ring | IGI Certified | Ethical Luxury
Round 5.20tcw Lab Grown Diamond Engagement Ring | Scalloped Pave Band | IGI Certified | DEF VVS–VS
3.20tcw Emerald Lab Diamond Engagement Ring | Hidden Halo | Tapered Band | IGI Certified
Radiant 3.50tcw Lab Grown Diamond Double Edge Halo Engagement Ring, D-E-F Color, VVS-VS Clarity - IGI Certified
4.00tcw Marquise Lab Diamond Engagement Ring | Hidden Halo Pave | IGI Certified | Custom Gold
Round 4.50tcw Lab Diamond Engagement Ring | 4.00ct Center | Hidden Halo | IGI Certified | White Gold
Pear 5.00ct Lab Diamond Bezel Engagement Ring | IGI DEF VVS–VS
Marquise 3.60tcw Fancy Yellow Lab Diamond Engagement Ring | Vintage Cathedral | IGI Certified
Radiant 3.50tcw Lab Diamond Ring | Modern Hidden Halo Design | Handcrafted Luxury Ring
4.00ct Asscher Lab Grown Diamond Bezel Engagement Ring | IGI Certified | DEF VVS | Custom Gold
Oval 4.20tcw Lab Diamond Solitaire Engagement Ring | Hidden Halo | IGI Certified | Yellow Gold
3.15tcw Pear Cut Lab Diamond Ring | Side Accents | Ethical Engagement Ring | IGI Certified3.15tcw Pear Cut Lab Diamond Ring | Side Accents | Ethical Engagement Ring | IGI Certified
Oval 3.00tcw Lab-Grown Diamond Ring | Yellow & White Gold | Three Stone Cathedral
Fancy Yellow Cushion 3.40tcw Lab Diamond Seven-Stone Ring | IGI Certified
3.15tcw Cushion Lab Diamond Solitaire Engagement Ring | IGI Certified | White Gold | 3.00ct Center
3.00tcw Oval Lab Grown Diamond Three Stone Engagement Ring | Half Bezel | IGI Certified | VVS–VS Clarity
Oval Fancy Blue 3.30tcw Lab Diamond Hidden Halo Ring | IGI Certified | D-E-F | VVS–VS
Emerald 10.00tcw Lab Diamond Side Stone Pavé Ring | IGI Certified | D-E-F | VVS–VSEmerald 10.00tcw Lab Diamond Side Stone Pavé Ring | IGI Certified | D-E-F | VVS–VS
3.50ct Round Lab Diamond Cathedral Engagement Ring | Yellow Gold Solitaire | IGI D-E-F VVS–VS
Marquise 3.00tcw Lab Grown Diamond Engagement Ring | Unique Side Stone Band | IGI Certified
Pear 7.00ct Lab Diamond Solitaire Engagement Ring | IGI | D-E-F | VVS–VS
Cushion 3.60tcw Lab Diamond Baguette Pave Engagement Ring | IGI Certified | Yellow Gold
Oval Fancy Red And Pear 3.00tcw Lab Diamond Toi Et Moi Ring | IGI Certified VS Clarity
3.00ct Pear & Oval Lab Diamond Toi Et Moi Ring | IGI Certified | VVS–VS | Custom Gold Engagement Ring
Pear & Emerald 3.50tcw Lab Diamond Toi et Moi Ring | IGI Certified | D-E-F VVS–VSPear & Emerald 3.50tcw Lab Diamond Toi et Moi Ring | IGI Certified | D-E-F VVS–VS


💎 3.00tcw to 5.00tcw Lab-Grown Diamond Rings — Celebrate Your Big Sparkle Moments

Step into a world of luminous beauty with our 3.00tcw to 5.00tcw Lab-Grown Diamond Rings. ✨💍 Designed for those who dare to dream big, these statement pieces transform milestones into sparkling memories and make every day feel extraordinary.

Crafted using IGI-certified lab-grown diamonds in D-E-F color and VVS–VS clarity, each ring radiates unmatched brilliance while honoring sustainable values. From striking Toi et Moi designs and glamorous double halos to timeless solitaires and intricate pavé masterpieces, this collection offers bold, luxurious options for your forever moments.


Why Choose a 3.00–5.00tcw Lab Diamond Ring?

🌟 Statement Sparkle — Perfect for marking significant milestones or showcasing your signature style.

🌱 Ethically Brilliant — Lab-grown diamonds crafted to be conflict-free and kind to the earth.

💥 Variety of Designs — Explore modern Toi et Moi, vintage-inspired solitaires, radiant halos, and unique three-stone styles.

💰 Uncompromised Luxury — Exceptional craftsmanship and larger carat brilliance at a value you’ll love — all IGI certified for peace of mind.


🔗 Discover Complementary Pieces:


Fancy Color Diamond Rings — Add a touch of bold personality.

• Eternity Bands — Symbolic and endlessly sparkling.

Accent Diamond Rings — Subtle glamour for layering or pairing.

• Men's Lab Diamond Rings — Sleek sophistication for him.


💡 Shopping Tips for Your Forever Ring:


✨ Choose a carat weight that resonates with your story and style.

📑 Always check IGI certification to guarantee quality and authenticity.

🎁 Personalize with your choice of metal, custom engraving, and signature details.

📦 Enjoy insured worldwide shipping, lifetime warranty, and complimentary resizing.


💍 Customer Favorites in This Dazzling Collection:


💎 4.00tcw Oval & Pear Toi et Moi — Modern romance meets artistic flair.

🌿 3.50tcw Fancy Pink Radiant Halo — Soft pink dream with double sparkle.

💛 5.00ct Pear Bezel Solitaire — Bold, sculptural, and unforgettable.

3.30tcw Oval Double Halo — Maximum brilliance from every angle.

🌸 4.50tcw Princess Baguette Bypass — Striking elegance for confident souls.

Our Commitments

Our reputation for excellence includes.

📦 Secure Shipping

Free worldwide delivery in 5–7 days via USPS, UPS & DPEX.

💎 Ethical Brilliance

IGI / GIA certified. We proudly stand behind our diamond & jewelry quality.

🎉 Holiday Specials

Celebrate the season! Use code SAVE10% for exclusive deals.

🤝 Customer Care

Hassle-free support & free 30-day returns on all orders.