14K Gold 63.18ctw 6.20mm Round Lab Diamond 18 Inches 4 Prong Classic Tennis Necklace

$21,036.00

63.18 CTW round lab grown diamond tennis necklace
Crafted in 14K solid gold (white, yellow, and rose options)
VS1 clarity, EF color certified diamonds (IGI)
6.20mm oversized bold profile with 4-prong classic setting
18-inch length for a relaxed, statement drop
Gold weight: 54.36 grams
Flexible build with box clasp + safety lock
Ready to ship within 24 hours
Delivered across the USA within 72 hours

Metal Color

Rose Gold

White Gold

Yellow Gold

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SKU: SHIV000157

At 18 inches and 63.18 carats, this lab grown diamond tennis necklace sits just below the neckline, creating a relaxed line that shifts with you and catches light from every angle. The 6.20mm diamonds expand the visual width, forming a bold, uninterrupted band that feels substantial the moment it’s worn. The 4-prong classic setting adds structure and precision, securing each stone while allowing light to pass through naturally. This is a lab grown diamond tennis necklace designed to feel complete instantly.

Skip the wait. Certified lab diamond tennis necklace shipping in 24 hr

Already finished. No production wait.
Most pieces at this level begin after purchase. This one is complete and ready now with true 24 hour shipping jewelry speed.

Core Specifications

Total Carat Weight: 63.18 CTW
Diamond Quality: VS1 clarity EF color
Stone Type: Lab Grown Diamonds
Certification: IGI for lab grown
Setting Style: 4 Prong Classic Tennis Setting
Length: 18 Inches
Metal: 14k solid gold (white yellow and rose gold options)
Gold Weight: 54.36 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
Ships fast without made-to-order wait

How It Wears

At 18 inches, this sits slightly lower, creating a natural drop that moves with the body. That movement increases how often the diamonds catch light, making the piece feel dynamic rather than static.
The 6.20mm diamonds give the necklace a wider, heavier profile, while the 4-prong setting keeps each stone visually defined, creating depth and variation instead of a flat, uniform shine.

When You Will Reach For It

When you want one piece to carry the entire look.
A last minute gift that still feels substantial and intentional.
A birthday anniversary where timing and impact both matter.
An event this weekend where a longer neckline completes everything instantly.
It works as a standalone statement or layers easily with shorter pieces. From day to night, it transitions without effort.

Construction Details

Flexible construction allows smooth movement along the neckline.
Secured with a box clasp and safety lock for confident wear.
Natural diamond light variation ensures a more refined, non-uniform sparkle.

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: Certified by the International Gemological Institute (IGI) for authenticity and quality.

Gemstone Jewelry: 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: Certified by the Gemological Research Association (GRA) 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.