14K Gold 40.45ctw 4.5mm Round Lab Diamond 22 Inches 4 Prong Light Tennis Necklace
$11,925.00
- 40.45 CTW lab-grown diamond tennis necklace
- Expertly crafted in solid 14K gold for lasting luxury
- Hand-selected VS1 clarity, E color diamonds with exceptional fire and brilliance
- 4.5mm round diamonds for a bold, uniform full-coverage look
- Gold weight: 31 grams for a substantial, premium feel
- Meticulously finished for a flawless, high-end presentation
- Ready to ship within 24 hours
- Delivered across the USA within 72 hours
Not Designed To Blend In
Some pieces complete a look. This one becomes the reason for it.
This 40.45ctw lab grown diamond tennis necklace is built with 4.5mm round diamonds arranged in a continuous, uniform line, creating a strong and uninterrupted presence. The 22-inch length allows it to fall lower on the neckline, giving the piece more space to stand out without feeling tight or structured. VS1 clarity EF color diamonds ensure each stone delivers sharp, high-definition brilliance, keeping the overall look clean despite the scale.
If you want a lab grown diamond tennis necklace that feels bold, extended, and instantly noticeable, this delivers that without relying on layering.
Skip the wait. Certified lab diamond tennis necklace shipping in 24 hr
No Production Step In Between
- Most pieces are made after the order is placed
- This one is already finished and ready
- Ships in 24 hours with no waiting or uncertainty
Core Specifications:
- Total Carat Weight: 40.45 ctw
- Diamond Quality: VS1 clarity EF color
- Stone Type: Lab grown diamond
- Certification: IGI for lab grown
- Setting Style: 4 prong round tennis setting
- Length: 22 inches
- Metal: 14k solid gold (white, yellow and rose gold options)
- Gold Weight: 31 grams
- Gold Purity Stamp: Stamped
Shipping Without Delay:
- No custom wait time shipping from US
- Ready to ship within 24 hr
- Delivery within 72 hr USA
- Worldwide delivery in 4 to 5 days
- Ships within 24 hrs
- Insured delivery
How It Wears:
- The 22-inch length creates a longer drop that allows the necklace to sit lower and feel more relaxed across the neckline. It adds space and movement, making it ideal for both standalone wear and layered styling.
- The uniform 4.5mm round diamonds create a consistent band of brilliance, while the 4 prong setting allows light to enter from multiple angles. This produces a brighter, more continuous sparkle that remains sharp across the full length.
- It feels substantial yet fluid, offering strong presence without feeling heavy or restrictive.
When You Will Reach For It:
- When you need a last minute gift that feels bold and unmistakably premium
- When a birthday anniversary calls for something that stands out instantly without explanation
- When you have an event this weekend and want a piece that carries the entire look on its own
- Wear it solo when you want full presence, or pair it with simpler pieces to keep the attention centered. It works best when clarity and impact matter.
Construction Details:
- Designed with flexibility so it drapes naturally along the neckline instead of sitting stiff. Finished with a secure box clasp and safety lock that keeps the closure aligned and minimal.
- Each diamond reflects light slightly differently, creating natural variation that reinforces a fine jewelry appearance rather than a uniform shine.
Customer Support:
- Customer Support Available via live chats and video calls
We take pride in offering high-quality jewelry and providing the necessary certifications to ensure your peace of mind. Below is a breakdown of the certification process for each product type:
Lab-Grown Solitaire Jewelry:Â Certified by the International Gemological Institute (IGI)Â for authenticity and quality.
Gemstone Jewelry:Â Accompanied by a detailed Gemologist Report.
- Certified by GIA(For Natural Diamonds)
- Certified by IGI(For Lab Diamonds)
Please note that these certificates are available upon request and come with a 30-40 day waiting period and an additional charge.
Moissanite Jewelry:Â Certified by the Gemological Research Association (GRA)Â with a comprehensive report.
For more details, check out our certification information page.
To keep your jewelry from The Karat Store looking its best, follow these simple care tips:
- Clean Regularly: Use a mild soap and water solution, gently scrub with a soft brush, rinse, and dry with a soft cloth.
- Store Safely: Keep your jewelry in a dry place, in a jewelry box or soft pouch, and separate pieces to avoid scratches.
- Avoid Chemicals: Remove jewelry before swimming or using cleaning products to prevent exposure to harsh chemicals.
- Handle with Care: Avoid wearing jewelry during activities that may cause damage, such as exercising or heavy lifting.
- Inspect Periodically: Check for loose stones or worn settings. Contact us for repairs if needed.
By following these tips, you can ensure your 14k gold jewelry remains beautiful for years to come. For any questions, contact us at thekaratstore@gmail.com.

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