14K Lab-Grown Diamond Solitaire Necklace, 18" Chain, Various Carat Weights Available
Discover the timeless elegance of our exquisite collection of 14K solid gold necklaces, featuring dazzling lab-grown diamond solitaire pendants. Each necklace is meticulously crafted with a polished finish and set with a single round lab-grown diamond, renowned for its brilliant full cut and exceptional clarity, rated between Si1-Si2 with a color grade of Gh. The diamonds are securely held in a sleek bezel setting, enhancing their radiant sparkle while offering durability and modern sophistication.
These necklaces showcase a variety of carat weights, allowing you to choose the perfect size to suit your style and occasion. Each pendant is paired with an 18-inch cable chain, providing a classic and comfortable fit that complements any neckline. The collection includes options in 14K yellow, rose, and white gold, each rhodium-plated where applicable to ensure lasting shine and resistance to tarnish.
Crafted for those who appreciate sustainable luxury, these lab-grown diamonds offer an ethical and environmentally friendly alternative to traditional mined stones without compromising on brilliance or quality. The necklaces are ideal for everyday wear or special moments, making them a versatile addition to any jewelry wardrobe.
With solid construction and standard weight, these pieces embody enduring value and style. Whether gifting a loved one or treating yourself, this collection promises a stunning solitaire diamond necklace that radiates sophistication and responsible beauty.
Frequently Asked Questions
Quality Concerns? We've Got You Covered!
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At Motek Jewelry, we live by our motto: Quality First. All our pieces are crafted with high-grade materials like 10k gold, 14k gold jewelry, 18k gold, sterling silver, genuine lab grown & natural gemstones, natural & lab grown diamond jewelry, with durable plating when appliccable. We meticulously inspect each piece before it reaches you to ensure it meets our exacting standards.
Still have questions? Explore our warranty page for peace of mind.
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Express yourself with jewelry that truly reflects your individuality. Our collections feature hand-carved details, asymmetrical designs, rare gemstones and other great features. With thousands of styles to choose from, you are sure to find the perfect piece of jewelry to match your style.
Want to discover pieces that perfectly match your vibe? Browse our collections by category (in main menu) or ask our intelligent chatbot for help.
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We believe in ethical and sustainable practices. Our jewelry is sourced responsibly, with a focus on fair trade practices, recycled materials, ethical labor with an emphasis on avoiding child labor and slavery, and direct partnerships with artisans. We proudly manufacture the vast majority of our jewelry products in the United States. Made in USA Jewelry for the win!
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make use of our super smart AI customer service bot who can give you personalized and curated advice and suggestions.
We strive to make your shopping experience as seamless as possible. Enjoy free shipping on orders over $50, discreet packaging, easy exchanges, & secure online checkout.
Ready to shop? Explore our collection and find your perfect piece today!


Our Story, Our Promise
Ours is a story of multi-generational dedication, of committing to stand behind our motto - "Quality First" no matter what.