Greg Holland: Holland & Co Fine Jewellery owner on the lab-grown diamond market overtaking the traditional market - The Mike Hosking Breakfast

Lab-grown diamonds are dulling the sparkle of the real thing. 

The jewellery trend is taking over the traditional diamond market, mainly due to their cheaper price. 

Auckland's Holland & Co Fine Jewellery owner Greg Holland told Mike Hosking people can't tell the difference between lab grown and real with the naked eye. 

He says someone would need strong magnifying equipment to see the growth lines on manmade ones. 

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