Natural Diamond Prices – December 2024
At PriceScope, we remain dedicated to providing timely and insightful updates on the latest trends in the diamond market. Our expert analysis focuses on the economic and social changes shaping…
Jim Rentfrow is a faceter who is based out of Moorhead, MN. He was trained by a local jeweler in Fargo, ND whose inventory is known for its precision cutting. What started as a hobby quickly became an obsession with finding the best material and cutting designs from around the world. Jim suppliers jewelers and private collectors from around the globe. He is an active contributor to One World Gemstone and the Custom Gemstone Studio. Jim uses his own faceting designs as well as designs from Jeff Hunt, Jeff Graham, Maco Voltoloni and many other well known designers.
Last 5 articles of this author
Gems of Afghanistan
Afghanistan is a country blessed like few others in its mineral wealth. By some estimates the untapped gemstone deposits in this country are estimated to be $300 billion USD. However, the geological surveying of the country has been less than 10% of the area! Precious minerals, oil and gas have been estima...
Cushion Cutting – Step by Step
This article is the second in a series on how gemstones are faceted. This gemstone cutting tutorial takes the reader from rough gemstone to a finished 4.59 carat cushion. The original piece of rhodolite garnet rough was 10.2 carats and was shaped well for a cushion cut.
The piece of rough was well shaped b...
Gemstone Cutting – Step by Step
I am often asked by clients, friends and family about how gemstones are faceted. I designed this photo pictorial to illustrate to the steps of the gemstone cutting process. The gemstone I selected for this first pictorial was a 13.3ct piece of rhodolite garnet from Africa. Due to the shape of the rough, I chose an o...
Gems of Afghanistan
Afghanistan is a country blessed like few others in its mineral wealth. By some estimates the untapped gemstone deposits in this country are estimated to be $300 billion USD. However, the geological surveying of the country has been less than 10% of the area! Precious minerals, oil and gas have been estima...
Cushion Cutting – Step by Step
This article is the second in a series on how gemstones are faceted. This gemstone cutting tutorial takes the reader from rough gemstone to a finished 4.59 carat cushion. The original piece of rhodolite garnet rough was 10.2 carats and was shaped well for a cushion cut. The piece of rough was well shaped b...
Gemstone Cutting – Step by Step
I am often asked by clients, friends and family about how gemstones are faceted. I designed this photo pictorial to illustrate to the steps of the gemstone cutting process. The gemstone I selected for this first pictorial was a 13.3ct piece of rhodolite garnet from Africa. Due to the shape of the rough, I chose an o...
