Best Certified Gemstones Online Shop working only on Natural Gemstones certified by Govt. of India lab, Best Gemstones Dealers in Delhi Online. Shop Now for Certified Diamonds, Stunning Sapphires, Fiery Rubies, and Lush Emeralds. Ethically Sourced and Meticulously Inspected for Quality. Gemstones Wholesalers S.NIRVAIR SINGH JEWELLERS (Karol bagh) is also founded by him, it was established in 1999. Business activities are taken under AMARJEET SINGH who is the proprietor of Karol Bagh Branch. He is in the trade from the past 35 years, his main aim is to multiply his father’s goodwill & to carry on the given legacy.