Marquise 3.16tcw Lab Grown Diamond Vintage Engagement Ring | Side Stone Antique Band | D–F Color | VVS–VS Clarity | IGI Certified
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- Lifetime Warranty
- 30 Days Free Return
- IGI Certificate
Description
This handcrafted 3.16tcw lab-grown diamond engagement ring features a striking 2.50ct marquise-cut center stone paired with 0.66ct of accent diamonds. The band is designed with an intricate marquise-shaped pattern and pavé details that give it an antique feel while keeping the look clean and modern.
The raised gallery is covered in fine diamonds, adding extra sparkle from every angle. Made in your choice of 10K, 14K, 18K gold or Platinum, each lab-grown diamond is selected for bright D–F color and VVS–VS clarity to ensure exceptional brilliance and a refined finish.
💍 𝐂𝐞𝐧𝐭𝐞𝐫 𝐒𝐭𝐨𝐧𝐞 𝐃𝐞𝐭𝐚𝐢𝐥𝐬:
★ Shape: Marquise
★ Carat Weight: 2.50ct
★ Color: D–F
★ Clarity: VVS–VS
★ IGI-certified
💍 𝐒𝐢𝐝𝐞 𝐒𝐭𝐨𝐧𝐞 𝐃𝐞𝐭𝐚𝐢𝐥𝐬:
★ Shape: Round and marquise accents
★ Carat Weight: 0.66ct total
★ Color: E–F
★ Clarity: VS
🌱 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐋𝐚𝐛-𝐆𝐫𝐨𝐰𝐧 𝐃𝐢𝐚𝐦𝐨𝐧𝐝𝐬?
✓ Ethical and conflict-free with no mining impact
✓ IGI certified for verified color, clarity, and brilliance
✓ No BGM tones for a clean, bright sparkle
✓ Eco-friendly luxury with lasting quality
✓ Perfect for custom engagement rings and fine jewelry

Free Shipping & Returns
🔄 30-day return and refund policy for peace of mind
✅ Fully insured and tracked shipping via UPS & USPS
⏱️ Handcrafted with care, 9-10 days production time
🌍 Worldwide delivery in 8-10 business days after production
# NOTE: Production time might vary by 2-4 days because of the Diwali festival in India till 28th October 2025.
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
Why AntiqueCut?
🌟 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
Ring Size Chart
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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