Retailers mostly report positive business impact from lab-grown diamonds, but some dismiss the product as fashion or costume jewellery, signalling tension between profit and ethics.

INSTORE's latest survey shows 44% strong positive business impact, 17% weak positive, 20% neutral, and 19% negative, reflecting profit gains amid philosophical debates. | Source: INSTORE's Brain Squad Survey: January 2026, 115 responses

Lab-grown diamonds spark debate: Survey reveals 51% see no threat to natural diamonds (18% yes, 25% possibly), while 42% note consumer confusion (33% not worrying, 25% no). | Source: INSTORE's Brain Squad Survey: January 2026, 115 responses