b'SHOWSTHE LAB- 5 RETAILTHEWRAP-UPWENTGROWNTRENDS SWEET DARK QUESTION SPOTTo Sell, or Not to Sell:THATS THE LAB-GROWN QUESTIONBY MICHELLE GRAFFCrystal company Swarovski is among the major players now dabbling in lab-grown diamonds. Pictured here are four stones from its new line of colored lab-grown diamonds introduced at Paris Haute Couture Fashion Week in January. More and more companiesincluding some longtime purveyors ofnatural diamondsare now selling lab-grown diamonds, forcing jewelersto decide: Should I carry them, or not? 16 MARKET ISSUE 2020'