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Louis Newman & Co 4.27 carat Elongated Cushion GIA Cert Diamond Three Stone Ring
Louis Newman & Co 4.27 carat Elongated Cushion GIA Cert Diamond Three Stone Ring

Louis Newman & Co 4.27 carat Elongated Cushion GIA Cert Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

This is the unicorn everyone is looking for. This year elongated cushions are the hottest item. It is especially hard to find ones that that are proper proportions and have tons of b...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold, Platinum

Louis Newman & Co GIA certified 10.51 carat Pear Shape Diamond Dangle Earrings
Louis Newman & Co GIA certified 10.51 carat Pear Shape Diamond Dangle Earrings

Louis Newman & Co GIA certified 10.51 carat Pear Shape Diamond Dangle Earrings

By Louis Newman & Company

Located in New York, NY

We cut to match 2 pear shape diamonds weighing 8.21 carats total (4.11 carat and 4.10 carat) perfectly elongated with 1.55 ratios. 4.10 carat is GIA certified K color and I1 clarity...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum, Rhodium

Louis Newman & Co 5.03 Carat GIA Certified Elongated Cushion Solitaire Ring
Louis Newman & Co 5.03 Carat GIA Certified Elongated Cushion Solitaire Ring

Louis Newman & Co 5.03 Carat GIA Certified Elongated Cushion Solitaire Ring

By Louis Newman & Company

Located in New York, NY

This is the shape of the year! Every call we get lately is asking for super elongated cushions. Its even better when we get to have a high color one like this one. GIA certified 5.03 carat, F color SI2 clarity. And the best part, this diamond is almost 12 millimeters which is super rare for a 5 carat cushion. Has the look of a much bigger looking stone...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Company GIA certified 5 Carat Elongated Cushion Solitaire Ring
Louis Newman & Company GIA certified 5 Carat Elongated Cushion Solitaire Ring

Louis Newman & Company GIA certified 5 Carat Elongated Cushion Solitaire Ring

By Louis Newman & Company

Located in New York, NY

The unicorn cut diamond that everyone is after! And this one happens to be in our favorite color/clarity combination for this cut. This is a GIA certified 5.01 Carat D color Si2 clar...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Certified 3.01 Carat Emerald Cut Diamond Three Stone Ring
Louis Newman & Co GIA Certified 3.01 Carat Emerald Cut Diamond Three Stone Ring

Louis Newman & Co GIA Certified 3.01 Carat Emerald Cut Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center stone is a 3.01 carat Emerald Cut Diamond. GIA certified D color and VS2 clarity. 1.54 Length to Width Ratio makes this a nice rectangular stone. Not to short to look square a...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum

Louis Newman & Co 5.09 Carat Emerald Cut Emerald Cut Bezel Set Yellow Gold Ring
Louis Newman & Co 5.09 Carat Emerald Cut Emerald Cut Bezel Set Yellow Gold Ring

Louis Newman & Co 5.09 Carat Emerald Cut Emerald Cut Bezel Set Yellow Gold Ring

By Louis Newman & Company

Located in New York, NY

5.09 carat GIA certified Emerald Cut. VS2 Clarity. 64% Depth, 1.56 length to width ratio and 12.69 millimeters in length. A properly cut and amazing looking emerald cut. Now for the ...

Category

2010s American Louis Newman & Company

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

Louis Newman & Co 4.01 carat Emerald Cut GIA certified Diamond Three Stone Ring
Louis Newman & Co 4.01 carat Emerald Cut GIA certified Diamond Three Stone Ring

Louis Newman & Co 4.01 carat Emerald Cut GIA certified Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center stone is a 4.01 color J color Si2 clarity GIA certified. If you want a nice sized Emerald Cut on a budget this is a great stone. J color is on the whiter side. The SI2 (which ...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond

Louis Newman & Co GIA Certified 35.13 Carats Oval Cut Diamond Riviera Necklace
Louis Newman & Co GIA Certified 35.13 Carats Oval Cut Diamond Riviera Necklace

Louis Newman & Co GIA Certified 35.13 Carats Oval Cut Diamond Riviera Necklace

By Louis Newman & Company

Located in New York, NY

A Louis Newman & Company masterpiece! After months in the making we finally completed this one of a kind Oval Cut Diamond Riviera Necklace. 35.13 carats ...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Certified 7 carat Elongated Marquise Cut Diamond Ring
Louis Newman & Co GIA Certified 7 carat Elongated Marquise Cut Diamond Ring

Louis Newman & Co GIA Certified 7 carat Elongated Marquise Cut Diamond Ring

By Louis Newman & Company

Located in New York, NY

if you are looking for big flash and low cash, look no further. This Elongated Marquise cut is a beauty!. 7.13 carat beautifully cut and elongated with a 2.24 ratio and over 21 milli...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum

Louis Newman & Co GIA certified 5.11 carat Emerald Cut Diamond Three Stone Ring
Louis Newman & Co GIA certified 5.11 carat Emerald Cut Diamond Three Stone Ring

Louis Newman & Co GIA certified 5.11 carat Emerald Cut Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

We are excited for this one! The center stone is a 5.11 Carat GIA certified Emerald Cut. K color and VS2 clarity. The center stone has a 62% depth putting it in the low depth categor...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Certified 6.11 Carat Emerald Cut Diamond Three Stone Ring
Louis Newman & Co GIA Certified 6.11 Carat Emerald Cut Diamond Three Stone Ring

Louis Newman & Co GIA Certified 6.11 Carat Emerald Cut Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center Stone is 6.11 Carat GIA certified Emerald Cut with an L color and VVS2 Clarity. It is very hard to capture the true color of the diamond but it does look better in person than...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Certified 19.51 carat Emerald Cut Diamond Wedding Band
Louis Newman & Co GIA Certified 19.51 carat Emerald Cut Diamond Wedding Band

Louis Newman & Co GIA Certified 19.51 carat Emerald Cut Diamond Wedding Band

By Louis Newman & Company

Located in New York, NY

A Louis Newman & Company classic wedding band with Unique GIA certified diamonds. Every diamond is GIA certified and weights 1.50 carat. Each Diamond is I and J in colors and range ...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

14 Karat Rose Gold, White Gold and Yellow Gold Diamond Bangles Bracelets
14 Karat Rose Gold, White Gold and Yellow Gold Diamond Bangles Bracelets

14 Karat Rose Gold, White Gold and Yellow Gold Diamond Bangles Bracelets

By Louis Newman & Company

Located in New York, NY

14K Gold Diamond Bangles. Available in Rose Gold, Yellow Gold and White Gold. Each bangle set with 4.50 carats of fine white round diamonds. Each Bracelet has some flex movement once...

Category

2010s American Louis Newman & Company

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

4.01 Carat GIA Certified Emerald, Cut Diamond Ring
4.01 Carat GIA Certified Emerald, Cut Diamond Ring

4.01 Carat GIA Certified Emerald, Cut Diamond Ring

By Louis Newman & Company

Located in New York, NY

4.01 Carat GIA Certified D color VS1 clarity Emerald Cut Diamond. 61.4 Depth Percentage and 11.82 millimeters make this a show stopper diamond. 1.56 Ratio is what everyone is searchi...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co 5.01 Carat GIA Certified Radiant Cut Diamond Three Stone Ring
Louis Newman & Co 5.01 Carat GIA Certified Radiant Cut Diamond Three Stone Ring

Louis Newman & Co 5.01 Carat GIA Certified Radiant Cut Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center Stone is a 5.01 Carat GIA Certified Radiant Cut. D color and Si1 clarity. We believe this is the best combination you can get. The SI1 is 100% eye clean. The color of the diam...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA certified 6.58 carats Elongated Pear Shape Eternity Band
Louis Newman & Co GIA certified 6.58 carats Elongated Pear Shape Eternity Band

Louis Newman & Co GIA certified 6.58 carats Elongated Pear Shape Eternity Band

By Louis Newman & Company

Located in New York, NY

A unique and one of a kind creations from Louis Newman & Company. Every stone was cut to match to be the exact ratio and fit perfectly together in this chic plus slightly angled Pea...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA certified 3.51 carat Emerald Cut Diamond Three Stone Ring
Louis Newman & Co GIA certified 3.51 carat Emerald Cut Diamond Three Stone Ring

Louis Newman & Co GIA certified 3.51 carat Emerald Cut Diamond Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center stone is a GIA Certified 3.51 Carat emerald Cut. G color and Internally Flawless clarity (IF). The make on this emerald cut is that older style emerald cut better known at the...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

GIA Certified 7.10 Carat Cushion Cut Diamond Three-Stone Ring
GIA Certified 7.10 Carat Cushion Cut Diamond Three-Stone Ring

GIA Certified 7.10 Carat Cushion Cut Diamond Three-Stone Ring

By Louis Newman & Company

Located in New York, NY

Center stone is a 7.10 Carat Cushion Cut Diamond with a J color and VS2 Clarity. J color faces up super white for a J and VS2 ensures this diamond...

Category

2010s American Louis Newman & Company

Materials

Diamond, 18k Gold, White Gold, Platinum

Louis Newman & Co 4.50 Carat Oval Diamond GIA Certified Three Stone Ring
Louis Newman & Co 4.50 Carat Oval Diamond GIA Certified Three Stone Ring

Louis Newman & Co 4.50 Carat Oval Diamond GIA Certified Three Stone Ring

By Louis Newman & Company

Located in New York, NY

Center stone is a 4.50 carat, GIA Certified L Color Si2 clarity. The SI2 is 100% eye clean with no black inclusions in the diamond. The Oval diamond has a 60% depth % which is very g...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum

Louis Newman & Co Emerald Cut Tennis Bracelet with 42.10 carats and GIA Certs
Louis Newman & Co Emerald Cut Tennis Bracelet with 42.10 carats and GIA Certs

Louis Newman & Co Emerald Cut Tennis Bracelet with 42.10 carats and GIA Certs

By Louis Newman & Company

Located in New York, NY

a one of a kind creation that took us months to make. Every stone is a GIA certified Emerald cut diamond weighing 1.50 carats. 28 diamonds weighing 42.10 carats total. Every stone i...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum

Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates
Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates

Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates

By Louis Newman & Company

Located in New York, NY

12.14 carats total of GIA certified diamonds. Average stone weight is 0.71 carats. All the diamonds are in the G/H color range and go from VVS to VS in clarity. Every diamond is 100%...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Certified 7.06 Carats Diamond Cluster Earrings
Louis Newman & Co GIA Certified 7.06 Carats Diamond Cluster Earrings

Louis Newman & Co GIA Certified 7.06 Carats Diamond Cluster Earrings

By Louis Newman & Company

Located in New York, NY

We took 10 Pear shape Cut and Marquise cut GIA certified diamonds and created a cluster earring. 0.70 carat each with all GIA DEF colors and VS/SI Clarities. The perfect size for dai...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co 13.91 Carats GIA Certified Oval Diamond Tennis Bracelet
Louis Newman & Co 13.91 Carats GIA Certified Oval Diamond Tennis Bracelet

Louis Newman & Co 13.91 Carats GIA Certified Oval Diamond Tennis Bracelet

By Louis Newman & Company

Located in New York, NY

44 oval cut diamonds weighing 13.91 carats total. The average size of each oval diamond is 0.32 carat. Each diamond has a GIA certificate of D-E-F colors. The clarities range from In...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co Emerald Cut and Baguette Cut Diamond GIA Certified Bracelet
Louis Newman & Co Emerald Cut and Baguette Cut Diamond GIA Certified Bracelet

Louis Newman & Co Emerald Cut and Baguette Cut Diamond GIA Certified Bracelet

By Louis Newman & Company

Located in New York, NY

Hand made platinum one of a kind bracelet with 38.03 carats of natural diamonds. 15 Emerald Cut Diamonds with GIA certificates weighting 21.49 carats total. The ends of the bracelet ...

Category

2010s American Modernist Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co 7.95 carat Emerald Cut GIA certified Diamond Solitaire  Ring
Louis Newman & Co 7.95 carat Emerald Cut GIA certified Diamond Solitaire  Ring

Louis Newman & Co 7.95 carat Emerald Cut GIA certified Diamond Solitaire Ring

By Louis Newman & Company

Located in New York, NY

Beautifully laid out 7.95 carat GIA certified L color VVS2 clarity. Stone measures 12.93x10.99. has a 60% depth and 71% table. The diamond faces up much whiter than an L color with i...

Category

2010s American Louis Newman & Company

Materials

Diamond, Platinum

Emerald Cut Wedding Band with 11.50 Carat of Diamonds
Emerald Cut Wedding Band with 11.50 Carat of Diamonds

Emerald Cut Wedding Band with 11.50 Carat of Diamonds

By Louis Newman & Company

Located in New York, NY

Emerald Cut Wedding with very unique diamonds. Extremely long Emerald Cuts weighing approximately 0.50 each. Ring is currently size 7. Total weight is approximately 11.50 carats.

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

GIA Certified 3.87 Carats Fancy Yellow Diamond Ring
GIA Certified 3.87 Carats Fancy Yellow Diamond Ring

GIA Certified 3.87 Carats Fancy Yellow Diamond Ring

By Louis Newman & Company

Located in New York, NY

Center stone weighs 3.87 carats and is GIA certified Fancy Yellow and VVS2 clarity. Set in 18K white gold Halo mounting and diamonds on the shank.

Category

2010s American Louis Newman & Company

Materials

Yellow Diamond, 18k Gold, White Gold

Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates
Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates

Louis Newman & Co Emerald Cut Diamond Eternity Band with GIA Certificates

By Louis Newman & Company

Located in New York, NY

9.37 carats total of GIA certified diamonds. Average stone weight is 0.52 carats. All the diamonds are in the D-E-F color range and go from VVS to Si1 in clarity. Every diamond is 10...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.28 Carats
Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.28 Carats

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.28 Carats

By Louis Newman & Company

Located in New York, NY

Every Diamond was picked to match in this one of a kind Piece. Average diamond weight 0.30 carats with 25.28 carats total. Custom made 14K White Gold 3 Prong setting with 84 Round D...

Category

2010s Louis Newman & Company

Materials

Diamond, White Diamond, White Gold, 14k Gold

8.85 Total Weight Princess Cut Diamond Stud
8.85 Total Weight Princess Cut Diamond Stud

8.85 Total Weight Princess Cut Diamond Stud

By Louis Newman & Company

Located in New York, NY

One Diamond weights 4.50 carats and the other weights 4.35 carats, Both are square princess cuts.The Diamonds are about K=L in color and Si1 in clarity. Not GIA certified. Set in 14k...

Category

2010s American Louis Newman & Company

Materials

White Diamond, 14k Gold, White Gold

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 30.53 Carats
Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 30.53 Carats

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 30.53 Carats

By Louis Newman & Company

Located in New York, NY

Every Diamond was picked to match in this one of a kind Piece. Average diamond weight 0.40 carats with 30.53 carats total. Custom made 18K White Gold 3 Prong setting with 76 Round D...

Category

2010s Louis Newman & Company

Materials

Diamond, White Diamond, 18k Gold, White Gold

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.24 Carats
Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.24 Carats

Louis Newman & Co GIA Diamond Straight Line Tennis Necklace with 25.24 Carats

By Louis Newman & Company

Located in New York, NY

Every Diamond was picked to match in this one of a kind Piece. Average diamond weight 0.30 carats with 25.24 carats total. Custom made 18K White Gold 3 Prong setting with 84 Round D...

Category

2010s Louis Newman & Company

Materials

Diamond, White Diamond, White Gold, 18k Gold

Oval Diamond Eternity/Wedding Band
Oval Diamond Eternity/Wedding Band

Oval Diamond Eternity/Wedding Band

By Louis Newman & Company

Located in New York, NY

17 oval diamonds weighing 0.40 each. 6.78 carats total. Non certified diamonds. Average color is G. Average clarity is VS2. Set in a platinum hand mad...

Category

2010s American Louis Newman & Company

Materials

Diamond, White Diamond, Platinum

Louis Newman & Company jewelry for sale on 1stDibs.

Find a range of Louis Newman & Company jewelry available on 1stDibs. Each of these unique items was designed with extraordinary care, often using platinum. While looking for the most stylish antique or vintage Louis Newman & Company jewelry to pair with your ensemble, you’ll find that Louis Newman & Company diamond jewelry, from our inventory of 34, can add a particularly distinctive touch to your look. We have 34 pieces in this collection as well as a number of other designs by this jeweler.

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