18K 12ct Radiant Cut Lab Grown Diamond Tennis Necklace
SKU: LRIY00150-18L
- Total carat weight
- 12ct
- Diamond type
- Lab Grown
- Color / clarity
- E / VS1
- Certification
- IGI
FedExUPS Secure Insured worldwide shipping. Estimated delivery Nov 15 – Nov 25.
Order By WhatsApp18K Lab Grown Diamond Jewelry·Anniversary Gifts·Christmas Gifts·Gifts·Lab Grown Diamond Jewelry·Lab Grown Diamond Necklace
Elevate your elegance with this breathtaking 12ct Lab Grown Diamond Tennis Necklace, meticulously crafted in 18K Solid Gold. Each diamond is hand-selected for its exceptional E color and VS1 clarity, ensuring a radiant sparkle that flows seamlessly around the neckline.
Designed in the iconic classic tennis style, this necklace showcases a continuous line of brilliance-making it the ultimate symbol of sophistication and luxury. With a total diamond weight of 12 carats, it is perfect for grand occasions and red-carpet moments, yet timeless enough to be cherished as a family heirloom.
The necklace is available in a standard 16-inch length and can be customized to suit your preference. Certified by IGI for Lab Grown diamonds for gold purity, this statement piece guarantees authenticity and enduring value.
Whether as a bridal necklace, anniversary gift, or investment piece, this tennis necklace is a dazzling choice for those who appreciate timeless beauty and unmatched craftsmanship.
Product Details:
- Metal: 18K Solid Gold
- Diamond Type: Lab Grown Diamond
- Total Carat Weight: 12ct
- Length: 16" and Customizable
- Color: E
- Clarity: VS1
- Certifications: IGI Certified
- Shipping Time: 15-22 days
Shipping Information
We offer free shipping across the World on all orders—no minimum required.
- Processing & Handling: 15–22 business days
- Shipping Time: 5–7 business days
- Total Delivery Time: 20–25 business days from the date of order
- Carriers: USPS & UPS
Please inspect your package upon delivery for any damage or tampering before signing.
For assistance, contact us at contact@riyanikajewels.com
At Riyanika Jewels, every piece is crafted in solid gold — 18K as our signature, with 14K available across our full catalogue for customers who want a more accessible entry price or everyday-wear durability. Every design ships with certifications that verify the authenticity and quality of both the metal and the stones.
Gold Certification
Every Riyanika piece is solid gold, with the official government-recognized certification that guarantees purity and authenticity — 75% pure gold for 18K, 58.5% pure gold for 14K. Same transparency either way.
Lab-Grown Diamond Jewelry
Our lab-grown diamond jewelry is certified by the International Gemological Institute (IGI). Each certificate verifies the diamond's authenticity, along with detailed grading of cut, clarity, color, and carat weight—ensuring you receive a diamond of the highest standard.
Natural Diamond Jewelry
All natural diamond solitaires and center stones are graded by the Gemological Institute of America (GIA), the world's most trusted authority in diamond grading. Each purchase includes the corresponding GIA certificate.
Gemstone Jewelry
Every gemstone piece is accompanied by a detailed Gemologist Report, offering an in-depth analysis of the stone's unique characteristics.
At Riyanika Jewels, every piece is crafted in solid gold — 18K as our signature, or 14K for those who prioritize everyday durability — and set with Natural or Lab-Grown Diamonds. The care guidance below is the same whichever karat you choose.
1. Clean Regularly
Gently clean your jewelry using a mild soap and lukewarm water solution. Use a soft brush to remove dirt, rinse thoroughly, and dry with a soft lint-free cloth.
2. Store Safely
Keep your jewelry in a dry place, ideally in a jewelry box or soft pouch. Store pieces separately to prevent scratches and tangling.
3. Avoid Harsh Chemicals
Remove your jewelry before swimming, bathing, or using cleaning products. Chemicals such as chlorine and detergents can damage both gold and diamonds.
4. Handle with Care
Avoid wearing your jewelry during strenuous activities like exercising, gardening, or heavy lifting. This prevents accidental knocks, scratches, or loosening of stones.
5. Inspect Periodically
Check your jewelry regularly for loose stones or worn settings. If you notice any issues, contact us immediately for professional repair and maintenance.
By following these tips, your Riyanika Solid Gold Natural or Lab-Grown Diamond Jewelry will remain stunning for years to come.
For any questions or assistance, feel free to reach out to us at contact@riyanikajewels.com.
Frequently Asked Questions
- What gold options are available?
- Our necklaces are available in 14K and 18K solid gold in yellow, white, or rose gold. 18K is our signature; 14K offers the same designs at a more accessible price.
- Are these necklaces made with solid gold?
- Yes. All Riyanika necklaces are made with solid 14K or 18K gold — never plated, filled, or vermeil.
- Can I choose natural or lab-grown diamonds?
- Yes. Both options are available. Natural diamonds are GIA certified; lab-grown diamonds are IGI certified. Both are chemically and optically identical — the difference is origin and price.
- Will my necklace come with a diamond certificate?
- Yes. Natural diamonds are certified by GIA; lab-grown diamonds are certified by IGI. Certificates are included with your order.
- Can I choose the chain length?
- Yes. Our necklaces are available in multiple lengths — typically 16", 18", 20", and 22". Select your preferred length when placing your order.
- Can the diamond size or shape be customized?
- Yes. We can adjust the carat weight and diamond shape to suit your preference. Share your requirements with us on WhatsApp before placing your order.
- Can I see a design preview before production begins?
- Yes. For customized or bespoke pieces we provide a CAD preview before production starts, so you can approve the design first.
- How long does delivery take?
- We offer worldwide free shipping. Orders are usually dispatched within 15–22 business days. Shipping time varies by location but generally ranges from 5–7 business days.
Need Help?
Have a question about customization, chain length, or diamonds? Chat with our jewelry specialists on WhatsApp for personalized assistance.
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Loved by repeat buyers across the world
That's why we keep coming back.
I LOVE them — so happy! I can't believe I forgot to message you.
Love it, Pri — thank you. Looks gorgeous.
