At N. D. Reiff Company each diamond engagement ring is conceived as a perfect balance of a beautiful center diamond matched with the style and elegance of a hand crafted mounting to create a unique and exceptional engagement ring.

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Welcome to the
N. D. Reiff Company

Established as a trade shop to the diamond and jewelry industry in 1926, today N. D. Reiff Company continues to serve it's fourth and fifth generation of customers.

Located on Jeweler's Row in Philadelphia, N. D. Reiff Company combines world-wide partnership interests with exceptional customer service and technology to provide the retail jeweler and jewelry trade shop with diamonds for every need.

N. D. Reiff Company specializes in fine quality diamonds from the cutting centers of the United States, Belgium, Israel, Russia and others. Most diamonds are accompanied by Certificates issued by the Gemological Institute of America (GIA) or other similarly respected laboratories.

N. D. Reiff Company is dedicated to a commitment to quality.

To us, diamonds are about the magnificence of nature – the brilliance, the sparkle, the purity of something rare and beautiful. We believe that our mission to our customers is to provide a beautiful diamond – and not just a diamond certification report.

Every diamond is carefully inspected and selected to standards beyond the laboratory report. Our expertise and reputation is that of exceptional diamonds.

N. D. Reiff Company also manufactures finished fine diamond jewelry from exceptional one-of-a-kind diamond engagement rings to traditional diamond stud earrings and wedding rings, diamond necklaces, diamond bracelets and other fine jewelry items.


.75 CT TW Round Brilliant IDEAL CUT Engagement Ring - GIA Ex Ex Ex

A Magnificent Halo Style Engagement Ring featuring a GIA Certified Diamond EX EX EX. IDEAL CUT.   $2400.00! 

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1.23 CT GIA IDEAL-CUT Round Brilliant Three-Stone Platinum Engagement Ring

A Classic Three-Stone Round Brilliant diamond Engagement Ring.  0.93 Carat GIA IDEAL-CUT center diamond.  GIA ...

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1.68 TW GIA Oval Diamond - Platinum Halo Engagement Ring

A Magnificent GIA Certified Oval and Platinum Halo style Engagement Ring.  $11,300.00

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2.01 CT IDEAL CUT Round Diamond Engagement Ring

A Cassic Three-Stone Round Diamond Engagement Ring. $13,150.00

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4.52 CT TW Round Brilliant Platinum Eternity Ring

Magnificent Round Brilliant Diamond Eternity Ring featuring 16 Round Diamonds weighing 0.58 carats each, 4.52 CTs T...

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1.80 CT TW GIA Emerald Cur Three-Stone Engagement Ring

A Classic Three-Stone Emerald Cut Ring.  1.28 Carat GIA G/VS1 Center Emerald Cut. 1.80 CT TW. $15,900.00

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2.01 GIA Certified IDEAL Cut Round Diamond Studs - GIA I/SI1 IDEAL CUT

2.01 CT TW GIA Certified Round Brilliant Diamond Stud Earrings. GIA  I/SI2+  IDEAL Cut!  EX EX EX $18100....

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2.50 CT TW GIA Round Brilliant - Platinum Halo Engagement Ring

Beautiful 2.50 CTW GIA Round Brilliant Diamond Engagement Ring - GIA K/SI2 EXCELLENT Cut.  $18,700.00.

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2.51 CT GIA H/SI1 -Three-Stone OVAL Engagement Ring

A Beautiful Three-Stone OVAL Masterpiece. Three Exceptional Ovals.  Hand Crafted Platinum Mounting. 2.51 CTs TW. $2...

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2.11 CT GIA Oval Engagement Ring - Platinum GIA G/SI1

A Magnificent 1.71 Carat Oval with perfect proportions. GIA G color, GIA SI1 Clarity..  Excellent SI1 - Looks ...

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2.74 GEM QUALITY Emerald Cut Engagement Ring - GIA E/VS2

Truly a SPECTACULAR Engagement Ring.  The 1.89 CT Center Emerald Cut is GEM quality.  GIA E/VS2.  The cen...

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3.00 CT TW GIA Certified Diamond Stud Earrings - IDEAL CUT

3.00 CT TW GIA Certified Round Brilliant Diamond Stud Earrings. GIA I/S/1.  IDEAL CUT.  EX EX EX $39000.00

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2.51 GIA Emerald Cut - Platinum Tapered Baguette Engagement Ring

Beautifully Proportioned 2.51 GIA I/VS1 EMERALD CUT diamond engagement ring with two Tapered Baguettes weighing 0.3...

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2.90 CT GIA Cushion Cut Diamond - PLATINUM Halo Engagement Ring

Beautiful One-of-a Kind Platinum Cushion Cut Halo Ring featuring 2.30 Carat GIA  G/SI1 Cushion Cut Center Diamond. ...

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3.01 CT GIA Round Brilliant Diamond Engagement Ring - VG VG VG

A Beautiful Classic "Tiffany Style" 3.00 Round Engagement Ring. Platinum. Beautiful Cut.  GIA K/SI2. $48,...

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3.52 CT GIA IDEAL Cut Round Brilliiant Diamond Engagement Ring

A Classic MAGNIFICENT Engagement Ring. 3.52 CT GIA Round Diamond. GIA J/SI2+. IDEAL CUT. Excellent Polish. Exc...

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