Lab‑grown diamonds: One retailer pays $1,600, another $230

Consumers bought identical lab‑grown diamonds costing $1,639 and $228, sparking price‑gap concerns.

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Lab‑grown diamonds: One retailer pays $1,600, another $230

In January 2026 CBC Marketplace reports that a one‑carat, D‑colour, ideal‑cut, VS1‑clarity lab‑grown diamond sold through Blue Nile cost $1,639.23 CAD (incl. fees) while the same stone bought via Alibaba.com sold for $228.86 CAD. CBC journalists bought each diamond, verified the IGI certificates, and had them appraised in Toronto by Gem Review Inc.; both appraisals agreed on a retail value of roughly $1,925 CAD. The investigation highlights that consumers can pay up to 7.1 times more for essentially identical diamonds, a gap that experts say reflects differing wholesale margins and brand premiums. Daniel Ng and Olivia Chan, engaged Toronto residents, were shocked at the price difference and seek greater pricing transparency in the industry.

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lab‑grown diamondsprice disparityBlue NileAlibabaCBC News