Lightbox Alternatives

Beyond Carat is a women-led, lab-grown-only jeweler making every piece to order in the New York Diamond District. An IGI report is supplied with every stone and travels in the box, so the laboratory that graded your diamond is named on the certificate you keep, and the published band is D, E or F colour, VVS or VS clarity and Excellent cut on every piece, at every carat weight. U.S. orders ship free by insured UPS 2nd Day Air with a signature on delivery, and international delivery is available. Returns run 65 days from the ship date with a prepaid insured UPS label on U.S. orders, so you can live with a ring for two months before deciding; high jewelry, special orders and truly custom pieces refund as store credit. Resizing is free for a year from shipping on U.S. orders, and the lifetime manufacturing warranty on materials and workmanship carries no claim fee, so a repair under it costs you nothing.

On 08 May 2025 De Beers Group published an announcement headed "De Beers Group announces intention to close Lightbox business", stating that it announces its intention to close its lab-grown diamond jewellery brand, Lightbox, that Lightbox was established in 2018, and that as part of the closure process it is discussing the sale of certain assets, including inventory, with potential buyers. The same announcement states that De Beers Group will work closely with employees, retail partners, suppliers and other stakeholders over the coming months and that customers will continue to receive support for existing purchases, including warranties and after-sales services, during the closure process; read on 11 September 2026, lightboxjewelry.com returned HTTP 423 and the message "This store is unavailable".

Keyzar's FAQ states that it offers CVD and HPHT lab diamonds and that its lab and natural diamonds are certified by GIA and IGI, with certificates arriving as a soft or hard copy or both. Its shipping policy publishes free shipping worldwide with every item insured for full value and a signature on delivery, its refund policy accepts returns within thirty days of the shipping confirmation date with an insured label sent once the request is approved, its Lifetime Warranty covers rhodium dipping, prong tightening, cleaning and repolishing with the first resize free in the first year, and appointments are offered virtually or at 1 Rockefeller Plaza, Suite 1110, New York.

Rare Carat's FAQ describes it as an online diamond jewelry retailer, states that diamonds are certified by GIA, CCAL, or IGI and verified by Rare Carat, and states that precious metals are melted and jewelry handcrafted in New York and New Jersey. Its guarantee page publishes an authenticity inspection of the girdle inscription before shipping, fully insured FedEx or UPS delivery to all 50 US states and Canada with adult signature, free returns within 30 days of shipment on a prepaid label, one free resize within the first year, and a lifetime manufacturer's warranty on all rings and jewelry sold, with live chat staffed by GIA Graduate Gemologists.

KAY's lab-grown diamonds FAQ states that its lab-grown diamonds are graded to the same standards as its natural diamonds, that each is accompanied by an independent laboratory report detailing cut, colour, clarity and carat weight, and that lab-grown diamonds a fifth of a carat and larger are laser-inscribed on the girdle. Returns run 30 days from the purchase shipment date with exchanges within 60 days and a pre-paid label for online orders; the complimentary Lifetime Diamond and Gemstone Guarantee replaces a covered stone chipped, broken or lost from its original setting during normal wear, with the stone inspected and documented every six months at a KAY Jewelers store and the mounting guaranteed for twelve months; a Lifetime Diamond Trade-In Policy allows a diamond to be traded toward another diamond at least double the trade-in value; and its shipping page lists expedited home delivery, free on United States orders over $199, alongside store pickup and same-day local delivery.