S. Nirvair Singh Online Jewellery Gemstones Wholesalers Dealers in Lajpat Nagar Delhi. Buy 100% natural and govt. lab certified astrological gemstones. We sell only unheated and untreated precious and semi-precious gems from our showroom at Lajpat Nagar Delhi . Buy Birthstone, Yellow Sapphire, Blue Sapphire, Ruby, Emerald, Coral, Amethyst, Natural Pearls, Lapis, Peridot, Australian Opal. We also create your purchased Gem and diamond into beautiful jewelry using a choice of your metal - Yellow Gold, White Gold, Copper, Silver, or Asht-Dhaatu."