Kimberley Process OF DIAMONDS

Diamonds supplied by Carl K. Gumpert, Inc. or its divisions have been purchased from legitimate sources not involved in funding conflict and in compliance with United Nations resolutions. The Company hereby guarantees that these diamonds are conflict free, based upon personal knowledge and/or written guarantees provided by the supplier of these diamonds.

This statement is known as the Kimberley Process Certification Scheme. More information can be found at www.kimberleyprocess.com .

All carat weights are estimates and may vary ±5%. Stated diamond weights are not necessarily exact. See table below for acceptable ranges. Costs are based on specific market conditions and are subject to change without notice. Diamond center stone prices will vary significantly and will be priced on a piece by piece basis. Please call for the most updated costs.

Known Gemstone Treatments

Species Variety Primary Resources Known Treatments
Beryl Emerald Brazil, Columbia, and Zambia Oiled to fill fissures and improve stability
Aquamarine Madagascar, Mozambique, Nigeria, Pakistan, and Zambia Heated to improve color
Corundum Ruby Madagascar, Myanmar, Tanzania, and Thailand Heated and/or diffused to improve color
Blue Sapphire Australia, Cambodia, Kenya, Madagascar, Montana, Myanmar, Sri Lanka, Tanzania, and Thailand Heated and/or diffused to improve color
Green Sapphire Australia, Cambodia, Kenya, Madagascar, Montana, Myanmar, Sri Lanka, Tanzania, and Thailand Heated and/or diffused to improve color
Orange Sapphire Australia, Cambodia, Kenya, Madagascar, Montana, Myanmar, Sri Lanka, Tanzania, and Thailand Heated and/or diffused to improve color
Pink Sapphire Australia, Cambodia, Kenya, Madagascar, Montana, Myanmar, Sri Lanka, Tanzania, and Thailand Heated and/or diffused to improve color
Yellow Sapphire Australia, Cambodia, Kenya, Madagascar, Montana, Myanmar, Sri Lanka, Tanzania, and Thailand Heated and/or diffused to improve color
Garnet Pyrope Africa, India, Russia, and South America None
Rhodolite Africa, India, Russia, and South America None
Peridot Peridot Arizona, China, Myanmar, and Pakistan Oiled to improve stability
Quartz Amethyst Madagascar, Mozambique, Pakistan, South America, and Zambia Heated to improve color
Citrine Madagascar, Mozambique, Pakistan, South America, and Zambia Heated to improve color
Topaz Blue Topaz Africa, Brazil, China, Mexico, and Sri Lanka Irradiated to improve color
London Blue Topaz Africa, Brazil, China, Mexico, and Sri Lanka Irradiated to improve color
Tourmaline Green Tourmaline Brazil, East Africa, United States Heated to improve color
Pink Tourmaline Brazil, East Africa, United States Heated and/or irradiated to improve color

Basic jewelery care

Basic jewelry care for diamonds:

Use a soft-bristled non-metallic brush and a mild ammonia and water solution.

Basic jewelry care for gemstones:

Soak pieces in a bowl of warm, soapy water for several minutes. Use a soft, non-metallic brush to help remove dirt. If you use a jewelry cleanser make sure it is non-abrasive.