New Arrivals! Tennis Necklaces New Arrivals! Tennis Necklaces
New Arrivals! Tennis Necklaces

Introducing our all-new lab-grown diamond tennis necklaces - where timeless design meets modern style.

Shop Now

Free travel pouch with every order this summer

Shop with us this summer and you'll receive a complimentary travel jewelry pouch with your order. Your free gift can be applied at checkout with every order of any amount*. Take your sparkle to-go, until stock lasts.

*T&Cs apply

SHOP NOW

Lab-Grown Loose Diamonds

Our stone, your setting. Select your ideal loose lab-grown diamond, now available to buy in different fancy cuts and a range of carat weights. Ready to shop to create that special custom piece, it all starts with the stone.


Please note, loose stones are currently only available to ship to Australia, Canada, Japan, Singapore, UK & US addresses.

New Arrival
Lab-Grown Loose 2¼ct. Round Brilliant Diamond | White Lab-Grown Loose 2¼ct. Round Brilliant Diamond | White
Lab-Grown Loose 2¼ct. Round Brilliant Diamond

Sale price Regular price $1,350

New Arrival
Lab-Grown Loose 1½ct. Princess Cut Diamond | White Lab-Grown Loose 1½ct. Princess Cut Diamond | White
Lab-Grown Loose 1½ct. Princess Cut Diamond

Sale price Regular price $750

New Arrival
Lab-Grown Loose 2¼ct. Emerald Cut Diamond | White Lab-Grown Loose 2¼ct. Emerald Cut Diamond | White
Lab-Grown Loose 2¼ct. Emerald Cut Diamond

Sale price Regular price $1,350

Lab-Grown Loose 3ct. Asscher Cut Diamond | White Lab-Grown Loose 3ct. Asscher Cut Diamond | White
Lab-Grown Loose 3ct. Asscher Cut Diamond

Sale price Regular price $2,700

New Arrival
Lab-Grown Loose 1½ct. Cushion Cut Diamond | White Lab-Grown Loose 1½ct. Cushion Cut Diamond | White
Lab-Grown Loose 1½ct. Cushion Cut Diamond

Sale price Regular price $750

Lab-Grown Loose 2ct. Round Brilliant Diamond | White Lab-Grown Loose 2ct. Round Brilliant Diamond | White
Lab-Grown Loose 2ct. Round Brilliant Diamond

Sale price Regular price $1,200

See collection

Our mission is to make the sparkle of a diamond available for more people, more often.

Treat yourself and a friend to an exclusive reward

Why not spread your love for Lightbox and recommend us to a friend? If they haven’t shopped with us before you’ll both receive a special offer when they place their first order.

Refer a friend
  • Laser inscribed mark of quality
    Laser inscribed mark of quality
  • Incredible quality from $500/ a carat
    Incredible quality from $500/ a carat
  • Grown with 100% renewable energy
    Grown with 100% renewable energy
  • Free shipping on all orders
    Free shipping on all orders