







Round 12.30tcw Lab Grown Diamond Tennis Necklace, EF Color, VS Clarity - IGI Certified
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

Celebrate your love with this elegant 12.30tcw Round Lab-Grown Diamond Tennis Necklace. Showcasing a flawless round-shaped EF and VS diamond set in 10k/14k/18k gold, this necklace is an ethical and dazzling choice. Crafted with precision and adorned with 𝐈𝐆𝐈-𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 diamonds, it embodies timeless beauty and eco-conscious luxury, perfect for any special occasion.
🌟 𝐍𝐞𝐜𝐤𝐥𝐚𝐜𝐞 𝐃𝐞𝐭𝐚𝐢𝐥𝐬:
➣ 𝐒𝐡𝐚𝐩𝐞: Round
➣ 𝐒𝐡𝐚𝐩𝐞: 12.30tcw
➣ 𝐂𝐨𝐥𝐨𝐫: EF
➣ 𝐂𝐥𝐚𝐫𝐢𝐭𝐲: VS
➣ 𝐋𝐞𝐧𝐠𝐭𝐡: Adjustable from 16" to 18"
➣ 𝐈𝐆𝐈 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐍𝐞𝐜𝐤𝐥𝐚𝐜𝐞
💎𝐕𝐢𝐬𝐢𝐭 𝐎𝐮𝐫 𝐒𝐭𝐨𝐫𝐞: https://antiquecut.etsy.com
💎𝐄𝐱𝐩𝐥𝐨𝐫𝐞 𝐌𝐨𝐫𝐞 𝐍𝐞𝐜𝐤𝐥𝐚𝐜𝐞𝐬: https://www.etsy.com/in-en/shop/antiquecut?ref=seller-platform-mcnav§ion_id=49472538
Celebrate your unique style with this dazzling lab-grown diamond necklace – a timeless treasure designed to light up every moment! 💖
🌱 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
🚚 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 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
💍 Explore Collection on Etsy
𝐕𝐢𝐬𝐢𝐭 Etsy 𝐒𝐡𝐨𝐩 →https://antiquecut.etsy.com

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Ethical Brilliance
We stand proudly behind our diamond and jewelry quality.

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Free 30-day returns on all orders.