[CAPTION] There’s going to be an exponential burst of the demand for lab-grown diamonds in India Image: Photo by SunChan / Getty Images[/CAPTION] Lisa Mukhedkar was 19 when she first wore her mother’s diamond solitaires for a wedding. And she was hooked. But much as she coveted one of her own, she couldn’t justify the sky-high price tag. “And there was no other option. When I last looked at it a few years ago, it was ₹36 lakh. For that kind of money, I could buy an apartment,” say...