Company Profile

NK Gemstones, is an Indonesia based gemstones company which deals in, Precious and Semi-Precious Stones, which includes calibrated as well as Rough Stones. It controls all the aspects of business process i.e., sourcing, producing, and marketing to provide goods with excellent quality as per the customer’s specification. NK Gemstones is one of largest supplier of gemstones in Indonesia and has a worldwide customer base.

Today, NK Gemstones has offices located in Indonesia, China, Hongkong, Bangkok and India and factories in Thailand, China and India. The company’s vast product line includes Ruby, Sapphire, Topaz, Amethyst, Tourmaline, Garnet, Citrine and a large variety of other sought-after stones with an electric array of shapes consisting of Round, Marquise, Oval, Pear, Emerald, Princess, Heart, Checkerboard, Square, Cushion, Baguettes, etc.

NK Gemstones strength lies in keeping complete stock with proper grading of all stones which allows us to give our swift service with high quality standards.

Our motto is “To provide high quality to our customers as per their requirements, we aim to achieve excellence in every aspect be it Quality, Price and Time“. With this thought being instilled down to the last employee, we have developed solid reputation among our customers.
NK Gemstones has also started their online store so that worldwide customer can have access to the product and contact in short time.

The table below shows a brief overview of our inventory list. The list below is not in any way exhaustive but an impression of our current offerings.

Precious Stone

Diamonds, Ruby, Sapphire, Emerald, Pink Sapphire, Yellow Sapphire, White Sapphire, and all other color sapphires

Semi Precious Stone

Alexandrite, Amethyst, Apatite, Aquamarine, Ametrine, Blue Topaz (Swiss Blue, London Blue, Sky Blue), Chalcedony, Citrine, Crome-diopside, Garnet, Green Amethyst, Iolite, Kunzite, Moonstones in all color, Peridot, Quartz in all kind (Lemon, Olive, Champagne, Pink), Rodholite , Rubilite, Spessartite, Sunstone, Tanzanite, Topaz, Tourmaline (Pink, Green, Multi color), Tsavorite, etc.


Round, Oval, Pear, Marquise, Heart, Baguette, Octagon, Square, Trillion, Cushion, Cabochons in all shapes, Checkerboard in all shapes, Radiant and Concave cutting in  all shapes, Princess cut Square, Diamond cut Round, Drops/ Briolette( Round and Flat), and many more Fancy cut stones


All calibrated and specially requested sizes are available

Efficient Sourcing Network

The NK Group valuable logistic sourching infrastructure extend around the world. The main sourcing for our coloured gemstones are:

  • NK Gemstones, Hongkong
  • NK Gemstones, Thailand
  • NK Gemstones, India
  • NK Gemstones, China