Lab Diamond Pendants & Necklaces

Elevate your everyday style with our lab diamond pendants and necklaces. From timeless solitaire drops to elaborate halo designs, each piece features IGI-certified lab-grown diamonds set in 18k gold or platinum chains. Our necklaces are crafted for the modern woman who values brilliance, sustainability, and understated luxury — with the assurance of a fully traceable, ethical origin.

Style
Solitaire Halo Hidden Halo Vintage Three Stone Bezel
Shape
Round Oval Cushion Pear Emerald Princess Heart Asscher
63 Lab Diamond Necklaces were found

Our Approach

Certified Lab Diamonds

Every lab diamond is IGI or GIA-certified and graded to the same rigorous 4 C's standards as a mined diamond — real diamond brilliance, fully traceable.

Unmatched Quality

Handcrafted by our skilled artisans in solid 18k gold and platinum. Each lab-grown diamond is chemically and optically identical to a natural diamond.

Price Match Guarantee

Found a better price on a like-for-like lab diamond product? We'll match it so you can make it yours at PuraGems.

Ethical & Sustainable

Grown above ground in a matter of weeks, our lab diamonds are conflict-free, environmentally responsible, and fully traceable from origin to finger.

A lab diamond pendant is one of the most versatile pieces of jewelry you can own. Worn close to the heart, our pendants and necklaces feature IGI-certified lab-grown diamonds that catch the light from every angle.

Each piece is set in solid 18k gold or platinum, with chain lengths and styles to suit every neckline and occasion. From a simple solitaire drop for everyday elegance to an elaborate halo design for special occasions, our lab diamond pendants make the perfect gift — or a well-deserved treat for yourself.

Every pendant arrives in our luxury PuraGems presentation box with free worldwide insured shipping and full diamond certification included.

FAQs

Everything you need to know about our lab diamond collection. Can't find the answer you're looking for? Contact our friendly team.

  • Our pendants typically come with 16-inch, 18-inch, or 20-inch chains. Most include an adjustable extension chain, allowing you to wear the necklace at your preferred length. Chain length options are listed on individual product pages. If you need a specific length, please contact us and we'll do our best to accommodate your request.

  • Absolutely. Our lab diamond pendants arrive in a luxury PuraGems presentation box, making them perfect for birthdays, anniversaries, Valentine's Day, Christmas, or any special occasion. We also offer complimentary gift wrapping and can include a personalised message card at no extra charge.

  • Clean your pendant with warm soapy water and a soft brush. Lab diamonds are chemically stable and safe with standard jewelry cleaning products. Store in the included PuraGems box when not wearing to prevent tangling and scratches. We recommend inspecting the chain clasp and setting annually to ensure everything remains secure.