14K Gold 112.5ctw 6.35mm Round Lab Diamond 30 Inches 4 Prong Classic Tennis Necklace
$38,511.00
- 112.5 CTW round lab grown diamond tennis necklace
- Crafted in 14K solid gold (white, yellow, and rose options)
- VS1 clarity, EF color certified diamonds (IGI)
- 6.35mm oversized bold profile with 4-prong classic setting
- 30-inch length for a full-length statement drop
- Gold weight: 104.325 grams
- Flexible build with box clasp + safety lock
- Ready to ship within 24 hours
- Delivered across the USA within 72 hours
At 30 inches and 112.5 carats, this lab grown diamond tennis necklace creates a deep, uninterrupted drop that extends across the chest, becoming the dominant visual element the moment it’s worn. The 6.35mm diamonds form a wide, continuous band, delivering maximum coverage and a bold, unmistakable presence without needing layering. The 4-prong classic setting adds structure and precision, securing each stone while allowing light to move through naturally. This is a lab grown diamond tennis necklace built to carry everything on its own.
Skip the wait. Certified lab diamond tennis necklace shipping in 24 hr
Finished before you order. No waiting period.
Most pieces at this scale begin production after purchase. This one is already complete and ready now with true 24 hour shipping jewelry speed.
Core Specifications
- Total Carat Weight: 112.5 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: 30 Inches
- Metal: 14k solid gold (white yellow and rose gold options)
- Gold Weight: 104.325 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 30 inches, this sits low across the chest, creating a long vertical line that immediately draws attention. The extended length allows continuous movement, increasing how often the diamonds catch light throughout the day.
- The 6.35mm diamonds give the necklace a wide, heavy profile, while the 4-prong setting keeps each stone visually defined. Instead of a flat shine, you get depth, variation, and a more refined light performance across the entire length.
When You Will Reach For It
- When you want one piece to define everything.
- 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 full-length silhouette completes the look instantly.
- It works as a standalone longline statement or layers with shorter necklaces for contrast. 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: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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