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Unique Diamonds Jewelry & Watches

About Unique Diamonds
About Unique Diamonds
With over 40 years in the industry providing the highest quality of service over three generations. Unique Diamonds has become a premier place for customers to find high standard jewelry with a niche in Fine Handcrafted Italian Jewelry. Each piece is unique to itself, you will be sure to stand out from the crowd in Unique Diamonds. With offices all over the world we are available to meet all of our clients needs across many time zones.
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18 Karat White Gold Diamond Pendant Necklace
Located in New York, NY
This pave diamond encrusted pendant necklace features 0.35 carats of G VS diamonds set in 18K white gold. 9.8 grams total weight. 8 inch chain drop. Made in Italy. Viewings availab...
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, White Gold, 18k Gold

18 Karat White Gold Fashion Diamond Bracelet
Located in New York, NY
This bracelet features 16.46 carats of G VS round diamonds set in 18K white gold. 76.7 grams total weight. 7.5 inch length. Made in Italy. Viewings available in our NYC showroom by ...
Category

21st Century and Contemporary Modern Modern Bracelets

Materials

Diamond, 18k Gold

18 Karat Yellow and White Gold Sapphire and Diamond Ring
Located in New York, NY
This ring features a 7.0 carat oval cut blue sapphire stone 18K yellow and white gold surrounded by 24 G-H VVS-VS round diamonds weighing 0.75 carats. Includes Gemological Appraisal ...
Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

18 Karat White Gold Diamond and Sapphire Pendant Necklace
Located in New York, NY
This adjustable drop pendant necklace features 0.45 carats of G VS diamonds and 0.18 carats of yellow sapphires set in 18K white gold. 10.7 grams total weight. Made in Italy. Viewi...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Yellow Sapphire, 18k Gold

23.15 Carat Cabochon Ruby and Diamond Cocktail Ring
Located in New York, NY
This cocktail features a 23.15 carat ruby surrounded by approx 3.40 carats of G VS diamonds set in 18K yellow gold. 20 grams total weight. Size 7 1/4. Made in Italy. Resizeable upo...
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

14 Karat White Gold Contrarie Ruby and Sapphire Heart Cocktail Ring
Located in New York, NY
This Contrarie cocktail ring features a 1.77 carat heart shape sapphire and a 1.98 carat ruby with 30 ruby and sapphire side stones. Resizeable upon request. Viewings available in...
Category

21st Century and Contemporary Cocktail Rings

Materials

Ruby, Sapphire, 18k Gold

18 Karat Yellow Gold Emerald and Diamond Cocktail Ring
Located in New York, NY
This cocktail ring features a 3.70 carat Emerald flanked by two long oval diamonds and six baguettes weighing 2.50 carats set in 18K yellow gold. Size 6 1/4. Resizeable upon request...
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

Van Cleef & Arpels Sapphire Ruby and Diamond Ring
By Van Cleef & Arpels
Located in New York, NY
This multi-stone ring features 25 round mixed cut sapphires measuring approximately 3.42-3.95 mm in diameter, 15 round mixed cut rubies measuring approximately 2.30-3.16 mm in diamet...
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Sapphire, 18k Gold

20.12 Fancy Brownish Yellow Pear Shape GIA Certified Engagement Ring
Located in New York, NY
This GIA certified engagement ring features a 20.12 fancy brownish yellow pear shape VS2 diamond set in 18K yellow gold. Report No. 5151508190. Size 5.5. Resizeable upon request an...
Category

21st Century and Contemporary Engagement Rings

Materials

Yellow Diamond, 18k Gold

Fancy Vivid Yellow Orange GIA Micropave Halo Diamond Engagement Ring
Located in New York, NY
This engagement ring features a 0.74 carat fancy vivid yellow orange diamond with 18 fancy orange diamonds weighing 0.13 carats and 46 white side diamonds weighing 0.54 carats set in...
Category

21st Century and Contemporary Engagement Rings

Materials

Yellow Diamond, Diamond, Platinum

18 Karat White Gold Sapphire and Diamond Ring
Located in New York, NY
This ring features a 5.83 carat sapphire and 8 round diamonds, 14 baguettes weighing 3.60 carats set in white gold. Made in Italy. Size 7.5. Resizeable upon request. Viewings avail...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold

18 Karat White Gold Diamond Pendant Necklace
Located in New York, NY
This necklace features 0.64 carats of G-H VS diamonds on an 18K gold diamond pendant with a double chain. 9.8 grams of 18K white gold. Chain drop is approximately 8 inches long. Made...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

14 Karat White Gold Diamond Loop Pendant Necklace
Located in New York, NY
This pendant necklace features 0.16 carats of round diamonds set in 14K white gold. 5.5 grams total weight. 8 inch chain drop. Made in USA. Viewings available in our NYC showroom by...
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, 14k Gold

14 Karat Yellow Gold Round Diamond Hoop Earrings
Located in New York, NY
These yelow gold half hoop earrings feature 1.0 carats set in 14K yellow gold. Post backs for pierced ears. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Modern Hoop Earrings

Materials

Diamond, 14k Gold

14 Karat Yellow Gold Three Diamond Pendant Necklace
Located in New York, NY
This pendant features three round cut diamonds weighing 0.80 carats. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

2.00 Carat Trilogy Emerald Cut Platinum Diamond Engagement Ring
Located in New York, NY
This engagement ring features a 1.01 carat center stone with 2 side stones weighing 0.99 carats graded H-I VS2-SI1 set in platinum. 100% eye clean. Size 6 1/4. Made in Italy. Can b...
Category

21st Century and Contemporary Engagement Rings

Materials

Emerald, Diamond, Platinum

14 Karat Yellow Gold Round Diamond Hoop Earrings
Located in New York, NY
These hoop earrings feature 1.10 carats of diamonds set in 14K yellow gold. Post backs for pierced ears. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Contemporary Hoop Earrings

Materials

Diamond, 14k Gold, Yellow Gold

18 Karat White Gold Baguette and Round Diamond Ring
Located in New York, NY
This ring features 1.45 carats of pave diamonds set in 18K white gold. 11.2 grams total weight. Made in Italy. Size 7.5 Can be resized upon request. Viewings available in our NYC ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, White Gold, 18k Gold

18 Karat White Gold Diamond Riviera Necklace
Located in New York, NY
This necklace features 14.36 carats of G VS diamonds set in 18K white gold. 35.1 grams total weight. 7.5 inch drop. Made in Italy. Viewings available in our NYC showroom by appoint...
Category

21st Century and Contemporary Contemporary Choker Necklaces

Materials

Diamond, White Gold, 18k Gold

3.09 Carat Yellow Diamond Oval Halo Setting Engagement Ring
Located in New York, NY
This engagement ring features a 3.09 carat VVS yellow diamond with a G-H VS diamond halo setting weighing 1.10 carats. 7.8 grams total weight. Made in Italy. Size 6 3/4. Viewings av...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold

13.11 Carat Oval Fancy Yellow GIA Certified Diamond Engagement Ring and Band
Located in New York, NY
This engagement ring features a 13.11 carat fancy yellow VVS2 oval diamond set in a platinum and 18K yellow gold barouque style setting with matching band. GIA Certified. Report No. ...
Category

21st Century and Contemporary Engagement Rings

Materials

Yellow Diamond, 18k Gold, Platinum

10.73 Carat Royal Blue Sapphire and Diamond Cocktail Ring
Located in New York, NY
This cocktail ring features a 10.73 GRS certified vivid royal blue Madagascar heat modified octagonal radiant step cut sapphire, 8 round brilliant diamonds, and 6 Marquise diamonds s...
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire

8.11 Carat G VS1 GIA Certified Round Brilliant Diamond Stud Earrings
Located in New York, NY
These diamond stud earrings feature two G VS1 diamonds weighing 4.03 and 4.08 carats each, xxx no fluorescence. Mounted in 18K white gold 4 prong setting. GIA certified. Report No. 5...
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold

5.07 Carat GIA Certified Round Brilliant Diamond Engagement Ring
Located in New York, NY
This 5.07 carat H SI2 round brilliant diamond is set in 10.5 grams of 18K white gold. Featuring 30 baguette, 14 round brilliant, and 6 trillion cut diamonds. GIA Certified. Report No...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 18k Gold

18 Karat White Gold Pave Diamond Flower Cocktail Ring
Located in New York, NY
This ring features 3 carats of G VS pave diamonds set in 18K white gold. This intricate cocktail ring has unique floral petals that move mimicking a life like flower petal with each ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, 18k Gold

Cartier 18 Karat Yellow Gold Ballon Bleu Watch
By Cartier
Located in New York, NY
Ballon bleu de Cartier watch. 42mm 18K yellow gold with a sapphire bezel. With box and papers. Services at Cartier Milan in July 2019 with one year Manufacturer Warranty. Reference N...
Category

21st Century and Contemporary Modern Wrist Watches

Materials

Sapphire, 18k Gold

Cartier Monture 30.03 Carat GIA Certified Emerald Cut Diamond Engagement Ring
By Cartier
Located in New York, NY
A 30.03 carat L Faint Brown VVS1 GIA certified emerald cut diamond set in an 18 grams of platinum signed by Cartier Monture. The setting features 28 baguette cut diamonds weighing 4....
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Platinum

18 Karat Rose Gold Cabochon Ruby and Diamond Bracelet
Located in New York, NY
This bracelet features 54.65 carats of Cabochon ruby weighing 49.4 grams and 0.82 carats of diamonds set in 18K rose gold. Double prong closure. 7.5 inches long. Viewings available ...
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, Ruby, 18k Gold

18 Karat Yellow and White Gold Diamond 2 in 1 Hoop and Charm Earrings
Located in New York, NY
These earrings set in 18K yellow and white gold feature a diamond pave huggie hoop earring with a removable heart charm. 5.04 carats of pave G-H VS diamonds and 17g of 18K yellow and...
Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Diamond, 18k Gold

18 Karat White Gold Three-Stone Emerald Cut Diamond Engagement Ring
Located in New York, NY
This engagement ring features 2.18 carats of G VS emerald cut diamonds set in 18K white gold. 8.5 grams total weight. Made in Italy. Size 7 1/4. Can be resized upon request. View...
Category

21st Century and Contemporary Contemporary Three-Stone Rings

Materials

Diamond, 18k Gold

18 Karat White Gold Bib Necklace
Located in New York, NY
This necklace features 9.93 carats of G VS diamonds set in 18K white gold. 101.8 grams total weight. 8 inch chain drop. Made in Italy. Viewings available in our NYC showroom by app...
Category

21st Century and Contemporary Modern Drop Necklaces

Materials

Diamond, 18k Gold

28.72 Carat Marquise and Pear Shape Diamond 18 Karat Gold Necklace
Located in New York, NY
This necklace features 28.72 carats of G-H VS diamonds 15 pears and 20 marquise diamonds set in 18K white gold. This vintage necklace was made in Italy with the highest quality stand...
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond, 18k Gold

14 Karat White Gold 3 Diamond Pendant Necklace
Located in New York, NY
This pedant necklace features 3 round brilliant diamonds set in 14K white gold. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, 18k Gold

14 Karat Yellow Gold Diamond Pave Hoop Dangle Earrings
Located in New York, NY
These 14K yellow gold G VS pave diamond encrusted hoop earrings feature a pear cut dangle diamond with a diamond encrusted halo. 0.66 carat pear diamonds and 0.5 carat round pave dia...
Category

21st Century and Contemporary Contemporary Hoop Earrings

Materials

Diamond, 14k Gold

Sapphire and Diamond Flower Earrings Set in Platimim
Located in New York, NY
These earrings feature 10.37 grams of platinum delicately looped to mimic a flower circling two vibrant blue sapphires. 78 round diamonds, weighing a total of approximately 3.00 - 3....
Category

21st Century and Contemporary Modern Lever-Back Earrings

Materials

Blue Sapphire, Platinum

4.04 Carat Square Radiant Fancy Brown Pink Diamond 18 Karat GIA Ring
Located in New York, NY
This 4.04 carat VS1 square radiant cut fancy brown pink diamond engagement ring features 0.37 carats of round diamonds and 1.97 carats of pear and marquise shape diamonds set in 18K ...
Category

21st Century and Contemporary Engagement Rings

Materials

Pink Diamond, Brown Diamond, 18k Gold

18 Karat White Gold and Diamond Flower Riviera Necklace
Located in New York, NY
This necklace features 4.20 carats of G VS round pave diamonds set in 18K white gold. 61 grams total weight. 7.5 inch drop. Made in Italy. Viewings available in our NYC showroom by...
Category

21st Century and Contemporary Contemporary More Necklaces

Materials

Diamond, 18k Gold

5.01 Carat GIA Certified Diamond Heart Pendant Necklace
Located in New York, NY
5.01 carat H VS2 diamond heart shape solitaire necklace on a fine 14K gold chain with a total weight of 14.6g. Chain drop is 8 in. Set in 18k and 14k white gold. GIA Certified. Certi...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, 18k Gold

18 Karat Yellow and White Gold Diamond Flower Necklace
Located in New York, NY
This Buccellati style 18K yellow and white gold diamond flower necklace features 22.57 carats of G VS diamonds . 1/2 inch width and 6.5 inch drop. 64.4 grams total weight. Made in It...
Category

21st Century and Contemporary Contemporary More Necklaces

Materials

Diamond, 18k Gold

10.01 Fancy Yellow GIA Certified Radiant Cut Diamond Engagement Ring
Located in New York, NY
This 10.01 GIA certified VVS2 fancy yellow diamond is set in Platinum and 18K yellow gold. Flanked on either side by two F-G SI trilliant stones with a total weight of 1.21 carats. G...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Yellow Diamond, 18k Gold

18 Karat White Gold Diamond Pendant
Located in New York, NY
This diamond encrusted pyramidal pendant necklace features 0.17 carats of G VS diamonds set in 18K white gold. 7.8 grams total weight. 8 inch chain drop. Viewings available in our ...
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, 18k Gold

14 Karat Yellow Gold Barlink Tennis Bracelet
Located in New York, NY
Barlink tennis bracelet comprised of 56 round brilliant diamonds set in 14K gold weighing 7.2 g. Made in USA. 7 inch length. Can be sized down upon request. Viewings available in ...
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

18 Karat Rose and White Gold Flower Pendant Necklace
Located in New York, NY
0.72 carats of G VS pave diamonds on a Floral pattern Pendant Necklace set in 8.8 grams of 18K white and rose gold. 15.85 mm pendant. Chain drop is 7.5 inches. Made in Italy. Viewi...
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, White Gold, 18k Gold

14 Karat Yellow Gold Diamond Stud Earrings
Located in New York, NY
These stud earrings feature 0.48 carats of round diamonds set in 14K yellow gold. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Modern Stud Earrings

Materials

Diamond, 14k Gold, Yellow Gold

3.18 Carat 14 Karat Yellow Gold Round Brilliant Trinity Engagement Ring
Located in New York, NY
This trilogy engagement ring features a 2.02 carat top light brown SI clarity center stone. 7.6 grams total weight. Size 7 1/4. Resizeable upon request. Viewings available in our N...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

18 Karat White Gold Three-Row Pave Diamond Cocktail Ring
Located in New York, NY
This ring features 3.08 carats of G VS diamonds set in 18K white gold. 17.3 grams total weight. Made in Italy. Size 7. Can be resized upon request. Viewings available in our NYC ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat White Gold Gold Flower Diamond Bracelet
Located in New York, NY
This bracelet features 15.33 carats of G VS diamonds set in 18K white gold. 59 gram total weight. Push clasp closure. 8.5 inch length. Made in Italy. Viewings available in our NYC ...
Category

21st Century and Contemporary Contemporary Modern Bracelets

Materials

Diamond, White Gold, 18k Gold

18 Karat White Gold Flexible Diamond Pendant Necklace
Located in New York, NY
This flexible diamond pendant features 0.39 carats of G VS diamonds set in 18K white gold. 5.7 grams total weight. Made in Italy. Viewings available in our NYC showroom by appointm...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Art Deco Style Gold Diamond Ring
Located in New York, NY
18 K Solid gold trapezoidal faceted art deco style ring with 6 round set diamonds. This ring features 0.45 carats of diamond and 13.75 grams of gold. Size Can be resized upon requ...
Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, 18k Gold

Cartier Double C Diamond and Enamel Ring
By Cartier
Located in New York, NY
Double C diamond and enamel ring signed by Cartier and numbered K67627. French assay marks mounted in 18K gold with a total estimated weight of 0.9 carats, G-H color, VS clarity. 10m...
Category

21st Century and Contemporary Modern Band Rings

Materials

Diamond, 18k Gold

Ladies Patek Philippe Stainless Steel and Diamond Watch
By Patek Philippe
Located in New York, NY
Pre-owned Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel set with 34 diamonds. White dial with luminous silver-tone hands and diamond hour markers....
Category

21st Century and Contemporary Modern Wrist Watches

Materials

Diamond, Stainless Steel

Tiffany & Co. Gold Ear Clips
By Tiffany & Co.
Located in New York, NY
Designed as an elongated pair of sinuous satin finish coiled leaves with a ropetwist centre and stem, in 18k gold, signed Tiffany & Co. Dimensions: 17 x 45 mm Weight: 20.2 grams Bac...
Category

Late 20th Century Contemporary Clip-on Earrings

Materials

18k Gold

Art Deco Diamond and Emerald Platinum Bracelet
Located in New York, NY
Diamond and Emerald Art Deco style bracelet circa 1930. Approximately 21 carats of mixed cut diamonds, G-H VS-I1, 1 carat emerald set in Platinum. 7 inch length, and 2.5 inches wide ...
Category

20th Century Art Deco Modern Bracelets

Materials

Diamond, Emerald, Platinum

Emerald and Diamond Dangle Chandelier Earrings Set in Yellow and White Gold
Located in New York, NY
These standout chandelier earrings feature 15.08 carats of emeralds and 4.70 carats of G VS diamonds set in 18K yellow and white gold. Clamp post back for pierced ears. 33 grams tota...
Category

21st Century and Contemporary Contemporary Chandelier Earrings

Materials

Diamond, Emerald, 18k Gold

Platinum Graduated Baguette Tennis Bracelet
Located in New York, NY
This bracelet features 38 carats of F-G VS graduated baguette cut diamonds set in platinum. This bracelet is made by the highest quality Italian craftsmans making it extremely flexib...
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Diamond, Platinum

14 Karat White Gold Barlink Tennis Bracelet
Located in New York, NY
Barlink tennis bracelet comprised of 40 round brilliant diamonds weighing 4.05 carats set in 14K white gold weighing a total 16.5 grams. Made in USA. 7 inch length. Can be sized dow...
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Diamond, 14k Gold, White Gold

14 Karat Yellow Gold Three-Row Diamond Earrings
Located in New York, NY
These earrings feature three rows of 1.25 carats round diamonds set in 14K yellow gold. 4.5 grams total weight. Made in USA. Viewings available in our NYC showroom by appointment.
Category

21st Century and Contemporary Contemporary More Earrings

Materials

Diamond, 18k Gold

56.18 Carat Round Diamond Necklace 18 Karat White Gold High Collar Necklace
Located in New York, NY
This necklace features 56.18 carats of G-H VS round diamonds set in 18K white gold. 8 inch drop. This necklace was made in Italy with the highest quality standards of craftsmanship a...
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond, White Gold

Cartier Sapphire and Diamond GIA and AGL Certified Ear Clips
By Cartier
Located in New York, NY
A pair of Sapphire and Diamond Earring Clips signed Cartier. Sapphires weighing respectively 25.36 and 25.39 carats set in 18.55 grams of platinum surrounded by 28 round brilliant st...
Category

21st Century and Contemporary Contemporary Clip-on Earrings

Materials

Blue Sapphire, Platinum

9.05 Carat GIA Certified Round Diamond Engagement Ring
Located in New York, NY
Round Diamond engagement ring weighing 9.05 Carats J SI2. Set in 6g of platinum with an 18K gold hinged shank flanked on either side by two tapered baguettes graded G-H VS. GIA Cert...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Platinum