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Mountz Jewelers is the premier destination for exquisite custom gemstone jewelry designed by Roger Dery. We're thrilled to offer you the opportunity to create a truly one-of-a-kind piece that will be cherished for generations.
Expert Care & Craftsmanship
Roger Dery is a master gemstone cutter and supplier who has spent over 40 years sourcing and cutting some of the world's most beautiful and rare gemstones. With his expertise and passion for the industry, Roger Dery has built a reputation as one of the most respected and sought-after gemstone suppliers in the world.
Discover Your Color
At Mountz Jewelers, we're proud to bring you a unique selection of Roger Dery gems and stunning jewelry that is simply unmatched in quality and beauty. Our expert team of jewelry designers will work with you to create a piece that perfectly embodies your unique style and personality.
Customize Your Style
Whether you're looking for a breathtaking engagement ring, a stunning pendant, or a dazzling pair of earrings, our team will guide you through the entire process, from selecting the perfect Roger Dery gems to creating a design that is truly your own.
To schedule an appointment to create your custom gemstone piece, simply fill out the form below, and one of our expert designers will be in touch shortly. We look forward to helping you create a piece that will be treasured for a lifetime.
Roger Dery 6.49CT Tanzanite Pear Shape Loose Gemstone
6.49CT Tanzanite Loose Gemstone Cut - Pear Shape Measurements - 13.18 X 10.26 X 7.74 mm Origin - Merelani Hills Tanzania AGTA - H Registry# 2301017 Origin - Merelani Hills Tanzania AGTA - H Registry# 2301017
Price: $ 7,150.00
Roger Dery 1.13ct Red Spinel Rectangular Cushion Cut Loose Gemstone
1.13CT Red Spinel Loose Gemstone Cut - Rectangular Cushion Measurements - 6.72 x 5.92 x 3.48 mm Origin – Sri Lanka AGTA – N Registry# - 2202008 Origin – Sri Lanka AGTA – N Registry# - 2202008
Price: $ 4,520.00
Roger Dery 3.10CT Orange Sapphire Square Cushion Cut Loose Gemstone
3.10CT Orange Sapphire Loose Gemstone Cut - Square Cushion Measurement - 7.68 X 7.35 X 5.57 mm Origin - Sri Lanka AGTA - H Registry# 2401034 Origin - Sri Lanka AGTA - H Registry# 2401034
Price: $ 9,295.00
Roger Dery 3.65CT Yellow Tourmaline Signature Round Loose Gemstone
3.65CT Yellow Tourmaline Loose Gemstone Cut - Signature Round Measurements - 10.04 X 6.61 mm Origin - Kenya AGTA - N Registry# 2402074 Origin - Kenya AGTA - N Registry# 2402074
Price: $ 2,055.00
Roger Dery .98CT Yellow Sapphire Round Loose Gemstone
Origin – Sri Lanka
AGTA – H
Registry Number – 2311006
Price: $ 1,025.00
Roger Dery 1.87CTW Rhodolite Garnet Round Matched Pair Loose Gemstones
Origin – Tanzania
AGTA – N
Registry Number – 2403001
Price: $ 275.00
Roger Dery 21.93CT Ametrine Radiant Emerald Cut Loose Gemstone
Origin - Bolivia
AGTA – N
Registry # - 2208072
Price: $ 2,110.00
Roger Dery 6.68CTW Amethyst Rectangular Cushion Radiant Loose Gemstones Matched Pair
Origin - Rwanda
Registry Number - 2208076
Price: $ 700.00