Experience the pinnacle of elegance with the Round Lab Grown Diamond Tennis Necklace by Jewel Nests. Expertly engineered to drape perfectly against the skin, this diamond tennis necklace seamlessly blends timeless sophistication with contemporary luxury. Featuring a specialized no-flip design, this necklace ensures that every diamond remains front-facing, offering a continuous stream of brilliance that resonates with sophistication for customers worldwide.

Product Highlights
Fluid No-Flip Engineering: Our precision-linked settings are designed to sit flat against the neckline. This no-flip construction ensures your necklace stays perfectly in place, showcasing a seamless "river of light" without twisting.

Refined 4-Prong Setting: Each diamond is meticulously secured by round-tipped prongs, offering a soft, elegant aesthetic that maximizes light exposure while protecting each stone.

Secure Box Clasp Lock: Equipped with a high-security integrated box clasp and double safety latches, ensuring your luxury necklace stays safely fastened from day to night.

Ethical Brilliance & Scale: Features premium lab-grown diamonds available in breathtaking total carat weights (TCW) to suit your desired level of impact:

5.0 TCW: 1.80 mm Diamonds

7.0 TCW: 2.10 mm Diamonds

10.0 TCW: 2.50 mm Diamonds

12.0 TCW: 2.80 mm Diamonds

15.0 TCW: 3.10 mm Diamonds (Currently Selected Variation)

20.0 TCW: 3.50 mm Diamonds

23.0 TCW: 3.70 mm Diamonds

27.0 TCW: 4.00 mm Diamonds

Superior Diamond Quality: Every stone is exceptionally graded, featuring a stunning D-E-F color and VS-VVS clarity for unmatched fire and internal purity throughout the entire length.

Available Lengths: Choose your perfect fit from our standard lengths: 16 Inch, 17 Inch, or 18 Inch.

Premium Metal Options: Available in 14K Solid Gold (White, Yellow, and Rose Gold).

Customization Note: We also offer this design in 10K Gold or custom lengths upon request. Please contact us before placing your order to discuss custom gold or length specifications.

Why Choose Jewel Nests?
Each Jewel Nests piece is a proudly Made in Canada product, handcrafted with precision and care in Toronto. We offer worldwide shipping, ensuring that our sustainable lab diamond jewelry can be enjoyed across the globe. Reflecting the best in modern craftsmanship, our round diamond tennis necklaces are a testament to lasting style, ethical beauty, and high-quality Canadian artistry.

We offer free complimentary express shipping worldwide, with delivery typically within 1–8 business days, depending on the destination. Every order is securely packed and fully insured for peace of mind.

For faster delivery, we also provide paid express priority overnight shipping upon request, with delivery in 1–2 business days. Please contact our team directly to arrange priority shipping and we’ll ensure your order is prioritized accordingly.

Jewel Nests offers a 30-day return and exchange policy for eligible items. Products must be unworn, unused, and returned in original packaging with certificates. We provide a no restocking fee and no questions asked process for eligible returns. Custom, resized, or engraved pieces may not be eligible for return, but we always aim to ensure a smooth and supportive experience for every customer.