Unii Jewels
Three Stone 3.50tcw Cushion Lab Grown Diamond Ring | Trapezoid Accents | IGI Certified
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- Free Worldwide Shipping
- 30 Days Free Return
- 6 Month Warranty
- IGI Certificate
Description
Make your love story shine with this elegant 3.50tcw Cushion-Cut lab-grown diamond engagement ring, designed in a classic three-stone setting that balances bold presence with timeless sophistication. Featuring a striking 3.00ct cushion-cut center diamond accented by 0.50ct trapezoid-cut side stones, this refined design is IGI certified and ethically handcrafted. Available in 10K / 14K / 18K solid gold or platinum, it is a meaningful and luxurious choice for engagements, anniversaries, or milestone moments by Unii Jewels.
Center Stone Details
• Shape: Cushion cut
• Carat weight: 3.00ct
• Color: D–E–F
• Clarity: VVS–VS
• Certification: IGI certified
Side Stone Details
• Shape: Trapezoid cut
• Total carat weight: ~0.50ct
• Color: E–F
• Clarity: VS
Why Choose This Ring / Jewelry
• Timeless three-stone design featuring a bold 3.00ct cushion center
• Trapezoid side stones add elegant structure and brilliance
• IGI certified lab-grown diamonds for trusted quality and authenticity
• Exceptional D–E–F color and VVS–VS clarity for outstanding sparkle
• Ethically sourced, conflict-free, and sustainably crafted diamonds
• Available in 10K / 14K / 18K solid gold or platinum
• Perfect for engagements, anniversaries, or meaningful celebrations
Explore more handcrafted lab grown diamond jewelry by Unii Jewels:
https://uniijewells.etsy.com

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 daysafter production
Please read the Shipping Policy for more information.
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 Unii Jewels?
🌟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 7359257266
| 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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