Unii Jewels
Round 0.40ct Lab Diamond C De Cartier Necklace | IGI Certified | EF VS | Custom Gold
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- 30 Days Free Return
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- IGI Certificate
Description
Delicate and radiant, this 0.40ct Round Lab-Grown Diamond C De Cartier Style Necklace is IGI Certified in EF color, VS clarity. Set in 10k/14k/18k gold with an adjustable chain, itβs a perfect everyday luxury or thoughtful gift.
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β£ ππ‘ππ©π: Round
β£ ππ‘ππ©π: 0.40ctΒ
β£ ππ¨π₯π¨π«: EF
β£ ππ₯ππ«π’ππ²: VS
β£ πππ§π ππ‘: Adjustable from 16" to 18"
β£ πππ πππ«ππ’ππ’ππππ’π¨π§ ππππ€π₯πππ
π ππ‘π² ππ‘π¨π¨π¬π ππ‘π’π¬ ππππ€π₯πππ?
π Diamond: 0.40ct Round, EF color, VS clarity, IGI certified
π« Shank: Iconic C De Cartier style with secure modern finish
π Design: Minimalist elegance with timeless French flair
π οΈ Handcrafted: Customizable in 10k/14k/18k gold in all tones

Free Shipping & Returns
πΒ 30-day return and refund policy for peace of mind
β
Fully insured and tracked shipping via UPS & USPS
β±οΈ Handcrafted with care,9-10 days production timeπ Worldwide delivery inΒ 8-10 business daysafter production
Please read the Shipping Policy for more information.
Why Choose Lab Diamonds?
β Ethical & Conflict-Free β Grown in labs with zero mining impact
β IGI Certified Quality β Independently verified for clarity, color, and carat
β No BGM Stones β Guaranteed no brown, green, or milky undertones
β Eco-Friendly Luxury β Timeless beauty, sustainably made
β Ideal for Custom Jewelry β Engagement rings, wedding bands, and more
Why Unii Jewels?
πSurat-Made Brillianceβ Crafted in Indiaβs diamond hub
πCertified Sparkleβ IGI-certified lab-grown diamonds
πΈUnmatched Valueβ Low prices Diamond + low making charges
ποΈTruly Customβ Unique designs tailored for you
π¦Worldwide Shippingβ Fast, Free, insured, and reliable
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Ring Size Chart
Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use ourΒ Ring Size ConversionΒ chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by WhatsApp +91 7359257266Β
| Ring Diameter (MM) | USA/Canada | United Kingdom | France | Germany | Japan | Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3Β½ | G | 45ΒΌ | 14Β½ | 5Β½ | 6β |
| 14.8 mm. | 4 | HΒ½ | 46Β½ | 15 | 7 | 6Β½ |
| 15.2 mm. | 4Β½ | IΒ½ | 47ΒΎ | 15ΒΌ | 8 | 8 |
| 15.6 mm. | 5 | JΒ½ | 49 | 15ΒΎ | 9 | 9Β½ |
| 16.0 mm. | 5Β½ | L | 50ΒΎ | 16 | 10Β½ | 10ΒΎ |
| 16.5 mm. | 6 | M | 51Β½ | 16Β½ | 12 | 12ΒΎ |
| 16.9 mm. | 6Β½ | N | 52ΒΎ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17ΒΌ | 14 | 15ΒΌ |
| 17.7 mm. | 7Β½ | P | 55ΒΌ | 17ΒΎ | 15 | 16Β½ |
| 18.2 mm. | 8 | Q | 56ΒΎ | 18 | 16 | 17ΒΎ |
| 18.6 mm. | 8Β½ | QΒ½ | 58 | 18Β½ | 17 | 18Β½ |
| 19.0 mm. | 9 | RΒ½ | 59ΒΌ | 19 | 18 | 20 |
| 19.4 mm. | 9Β½ | SΒ½ | 60ΒΎ | 19Β½ | 19 | 21 |
| 19.8 mm. | 10 | TΒ½ | 61ΒΎ | 20 | 20 | 21ΒΎ |
| 20.2 mm. | 10Β½ | UΒ½ | 62ΒΎ | 20ΒΌ | 22 | 22ΒΎ |
| 20.6 mm. | 11 | VΒ½ | 64ΒΌ | 20ΒΎ | 23 | 24 |
| 21.0 mm. | 11Β½ | WΒ½ | 66 | 21 | 24 | 25ΒΎ |
| 21.4 mm. | 12 | Y | 67ΒΌ | 21ΒΌ | 25 | 27Β½ |
| 21.8 mm. | 12Β½ | Z | 68 | 21ΒΎ | 26 | 28ΒΎ |
| 22.2 mm. | 13 | Z + 1 | 69 | 22 | 27 | 29ΒΌ |
| 22.6 mm. | 13Β½ | Z + 1.5 | 71 | 22.6 | - | 31 |
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