Fancy Blue Cushion Cut 3.50tcw Lab Grown Diamond Engagement Ring | Three Stone Design | IGI Certified | 10k 14k 18k Platinum Gold
Ring Size Conversion Chart
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| Ring Diameter (MM) | USA/Canada | United Kingdom | France | Germany | Japan | Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3½ | G | 45¼ | 14½ | 5½ | 6⅓ |
| 14.8 mm. | 4 | H½ | 46½ | 15 | 7 | 6½ |
| 15.2 mm. | 4½ | I½ | 47¾ | 15¼ | 8 | 8 |
| 15.6 mm. | 5 | J½ | 49 | 15¾ | 9 | 9½ |
| 16.0 mm. | 5½ | L | 50¾ | 16 | 10½ | 10¾ |
| 16.5 mm. | 6 | M | 51½ | 16½ | 12 | 12¾ |
| 16.9 mm. | 6½ | N | 52¾ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17¼ | 14 | 15¼ |
| 17.7 mm. | 7½ | P | 55¼ | 17¾ | 15 | 16½ |
| 18.2 mm. | 8 | Q | 56¾ | 18 | 16 | 17¾ |
| 18.6 mm. | 8½ | Q½ | 58 | 18½ | 17 | 18½ |
| 19.0 mm. | 9 | R½ | 59¼ | 19 | 18 | 20 |
| 19.4 mm. | 9½ | S½ | 60¾ | 19½ | 19 | 21 |
| 19.8 mm. | 10 | T½ | 61¾ | 20 | 20 | 21¾ |
| 20.2 mm. | 10½ | U½ | 62¾ | 20¼ | 22 | 22¾ |
| 20.6 mm. | 11 | V½ | 64¼ | 20¾ | 23 | 24 |
| 21.0 mm. | 11½ | W½ | 66 | 21 | 24 | 25¾ |
| 21.4 mm. | 12 | Y | 67¼ | 21¼ | 25 | 27½ |
| 21.8 mm. | 12½ | Z | 68 | 21¾ | 26 | 28¾ |
| 22.2 mm. | 13 | Z + 1 | 69 | 22 | 27 | 29¼ |
| 22.6 mm. | 13½ | Z + 1.5 | 71 | 22.6 | - | 31 |
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Description
Description
Make your proposal unforgettable with this 3.50tcw three-stone engagement ring. Featuring a 3.00ct cushion-cut Fancy Blue lab-grown diamond at the center, accented by 0.50ct EF-color tapered baguette side stones, this ring exudes luxury and elegance. Ethically crafted in 10k, 14k, 18k gold or platinum and IGI certified for quality, it’s a timeless symbol of sustainable love.
Center Stone Details:
• Shape: Cushion
• Carat Weight: 3.00ct
• Color: Fancy Blue
• Clarity: VVS–VS
• Certification: IGI Certified
Side Stone Details:
• Shape: Tapered Baguette
• Carat Weight: 0.50ct Total
• Color: E–F
• Clarity: VS
Why Choose This Ring:
• 3.00ct Fancy Blue cushion-cut center with rare brilliance
• 0.50ct tapered baguette side stones for a classic three-stone style
• IGI-certified, ethically lab-grown diamonds
• Available in 10k, 14k, 18k gold or platinum
• A luxurious, sustainable engagement ring
🚚 Free Shipping and Returns
🔄 30-day return and refund policy for peace of mind
✅ Fully insured and tracked shipping via UPS & USPS
⏱️ Handcrafted with care – 5–7 days production time
🌍 Worldwide delivery in 5–7 business days
🌱 Why Choose Lab Diamonds?
✓ Ethical & Conflict-Free – Grown in labs with zero mining impact
✓ IGI Certified Quality – Independently verified for clarity, color, and carat
✓ No BGM Stones – Guaranteed no brown, green, or milky undertones
✓ Eco-Friendly Luxury – Timeless beauty, sustainably made
✓ Ideal for Custom Jewelry – Engagement rings, wedding bands, and more
🛠️ Customized Jewelry Made Just for You
We offer complete customization on all jewelry pieces.
Gold Options: 10k, 14k, 18k & Platinum
Gold Colors: Yellow, White, Rose
Design Types: Engagement rings, earrings, pendants, necklaces, bracelets, and more
💎 Why Antique Cut?
🌟 Surat-Made Brilliance – Crafted in India’s diamond hub
💎 Certified Sparkle – IGI-certified lab-grown diamonds
💸 Unmatched Value – Low prices Diamond + low making charges
🖌️ Truly Custom – Unique designs tailored for you
📦 Worldwide Shipping – Fast, Free, insured, and reliable
💰 Why Our Prices Beat Everyone—Without Cutting Quality
🏭 Direct from Our Factory: No middlemen. We cut, polish & set the diamonds ourselves.
🌍 Surat-Sourced Advantage: From the diamond capital of the world—best rates, best stones.
📜 IGI & GIA Certified: Only globally trusted, lab-certified diamonds—guaranteed.
💎 Luxury Quality, No Markup: Same stones as top brands—minus the 5x price tag.
🔧 In-House Gold & Platinum Work: Precision-made, ethically crafted in solid metals.
⭐ Global Trust, Local Price: Loved by customers worldwide for elite quality at honest prices.
💍 Explore Collection on Etsy
𝐕𝐢𝐬𝐢𝐭 Etsy 𝐒𝐡𝐨𝐩 →https://antiquecut.etsy.com
Our Commitments
Our reputation for excellence includes.
📦 Secure Shipping
Free worldwide delivery in 5–7 days via USPS, UPS & DPEX.
💎 IGI / GIA certified
We stand proudly behind our diamond and jewelry quality.
🎉 Holiday Specials
Get a FREE pair of stud earrings on orders over $3000!
🤝 Customer Care
Hassle-free support & free 30-day returns on all orders.