The 18K Solid Gold Square Shape Mount Diamond Necklace brings elegance and modern design together in a stunning piece. Featuring a 0.85 ct lab-grown diamond set in a square mount, this necklace offers a brilliant sparkle and a sophisticated look. With VS1 clarity and F color, the diamond’s exceptional quality shines beautifully against the luxurious 18K Solid Gold. Perfect for both daily wear and special occasions, this necklace adds a timeless touch to any jewelry collection.
 
Product Details :
 
Metal: 18K Solid Gold (Available in White ,Rose Gold and Yellow Gold)
Stones:
Diamond Total Weight: 0.85 cts
Type: Lab-Grown Diamond
Clarity: VS1
Color: F
Design: Square mount setting that enhances the diamond’s sparkle
Certifications: GIA & BIS Hallmarked
Shipping Time: 10-12 Business Days
Customer Support: Available via live chats and video calls.

Frequently Asked Questions
Can this necklace be layered with other necklaces?
Yes. This piece works well as part of a layered look — pair it with a slightly shorter or longer chain in a different style for contrast, or wear it alone for a cleaner, minimalist look.
What's the price range for this diamond necklace across different gold karats?
At The Karat Store, this diamond necklace starts at $7,328.1 in 10K gold, $8,267.6 in 14K gold, and $9,395 in 18K gold — all solid gold, not plated.
Should I choose 10K, 14K, or 18K gold for this necklace?
18K gold (75% pure) has the richest color and softest feel. 14K gold (58.3% pure) is the most popular balance of durability and value. 10K gold (41.7% pure) is the most affordable and most scratch-resistant.
Is this necklace solid gold all the way through, or just gold-plated?
This necklace is solid gold throughout, not gold-plated — the karat purity runs all the way through the metal, not just a surface layer. Unlike plated jewelry, it won't flake, discolor, or expose base metal over time, and it carries a karat hallmark stamp as proof of authenticity.
Is a diamond necklace a good gift?
Yes. Diamond necklaces are a popular gift for birthdays, anniversaries, and holidays — a meaningful step up from costume jewelry, and diamond set in solid gold holds its value and appearance far longer than plated pieces.
What's the best way to keep this diamond necklace looking new?
Soak briefly in warm water with a drop of mild dish soap, gently brush with a soft-bristled brush, rinse, and pat dry. Avoid chlorine, harsh chemicals, and ultrasonic cleaners, and remove before swimming, showering, or exercising.