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Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by WhatsApp +91 8238581658
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

Make a statement of love with this 4.20 total carat weight lab-grown diamond engagement ring. The centerpiece features a 4.00ct oval diamond, accented by delicately tapered pear and marquise side stones in a classic cathedral setting. Crafted in 10k, 14k, 18k gold, or platinum in your choice of white, yellow, or rose, this timeless design blends sophistication with ethical luxury.
Center Stone Details:
• Shape: Oval
• Carat Weight: 4.00ct
• Color: D–E–F
• Clarity: VVS–VS
• Certification: IGI Certified
Side Stone Details:
• Shape: Pear and Marquise
• Carat Weight: 0.20ct total
• Color: D–E–F
• Clarity: VS
Why Choose This Ring:
• Lab-grown diamonds, ethically sourced and conflict-free
• IGI-certified for quality and authenticity
• Elegant cathedral design with a modern twist
• Customizable in metal type and finish
• Complimentary worldwide insured shipping and 30-day returns
🚚 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.