3 Ct Platinum Diamond Necklace
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Edwardian 8.50 Ct Diamond Drop Platinum Necklace
Located in Napoli, IT
Entirely hand crafted of solid Platinum, comprises bar links inter-spaced by Diamonds, leading to the
Category
Antique Early 1900s European Edwardian Link Necklaces
Materials
Diamond, Platinum
Diana M . Custom Platinum, Diamond Tennis Necklace Containing 36.56 ct
By Diana M. Jewels
Located in New York, NY
Custom platinum 16.5" 3 prong diamond tennis necklace containing 36.56 cts of round diamonds 72
Category
21st Century and Contemporary American Modern Choker Necklaces
Materials
Diamond, Platinum
Art Deco Diamond Platinum Bracelet Choker Necklace Stamped CT French
Located in Beverly Hills, CA
initials CT and French hallmark for platinum.
Category
Vintage 1930s French Art Deco Choker Necklaces
Materials
Diamond, Platinum
Free Shipping
W 0.63 in L 7.38 in
Beauvince Bridget 3 Stone Ring (10.31 ct Emerald Cut GIA Diamond) in Platinum
By Beauvince Jewelry
Located in New York, NY
.
Center Diamond Shape: Emerald Cut
Center Diamond Weight: 10.31
Center Diamond Color: K
Diamond Clarity
Category
2010s Link Necklaces
Materials
Diamond, White Diamond, Platinum
Pendant Necklace Platinum Diamond
Located in PARIS, FR
them old cut of about 0.10 ct each. and 3 rose cut diamonds on the setting. 2 of about 0.01 ct each and
Category
20th Century French Pendant Necklaces
Materials
Diamond, Platinum
57.52 Ct Round Diamond Opera Necklace
By Hakimi's Gem
Located in Chicago, IL
Platinum 32 inch 3-prong diamond opera neckalce. The necklace features 173 round brilliant cut
Category
2010s Modern Chain Necklaces
Materials
Diamond, Platinum
17.45 ct Round Diamond Tennis Necklace
By Hakimi's Gem
Located in Chicago, IL
This classic diamond necklace features 112 diamonds weighing 17.45 cts set in a 3-prong platinum
Category
2010s Modern Choker Necklaces
Materials
Diamond, Platinum
A.G.L. Certified 9.83 Carat Pear Shaped Sapphire & 3 ct Diamond Platinum Pendant
Located in Miami, FL
Hand forged in platinum, this Edwardian style pendant resembles an angelic stained glass mural
Category
21st Century and Contemporary Drop Necklaces
Materials
Sapphire, Diamond, Blue Sapphire, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '3/4 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Diamond Platinum Pendant Necklace, circa 1970
Located in London, GB
Platinum & 18ct white gold diamond pendant in the Art Deco Egyptian Revival style dated circa 1970
Category
Vintage 1970s British Art Deco Pendant Necklaces
Materials
Diamond, White Diamond, Brown Diamond, 18k Gold, White Gold, Platinum
David Tishbi Platinum and Diamond Slice Necklace
Located in Pacific Palisades, CA
Platinum Pave Diamonds Free-Form Diamond Slice Necklace
37 E/VS 6.26 CTW
3 CT Diamond Slice
16.5
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Platinum
Art Deco 48.83 Ct Aquamarine 4.25 Ct Diamond Rare 18 Kt /Plat Necklace
Located in Napoli, IT
work
Amazing workmanship
Diamonds are 38 rose cut and 121 round cut diamonds totalling approx 4.25 Ct
Category
Vintage 1930s European Art Deco Link Necklaces
Materials
Aquamarine, Diamond, 18k Gold, Platinum
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H 2.37 in W 1.11 in L 16.54 in
Platinum Martini 3 Prongs Natural Diamond Pendant '2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '1 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Gorgeous Platinum 3 Stone Drop Pendant with 0.52ct Natural Diamonds
Located in רמת גן, IL
platinum with a high quality polish. It comes with a fancy jewelry box. No chain is included.
3 diamonds
Category
2010s Singaporean Pendant Necklaces
Materials
Diamond, Platinum
Belle Epoque Antique Diamond Platinum Necklace
Located in Chicago, IL
Circa 1910
This elegant floral motif necklace is finely crafted in platinum. The necklace features
Category
Vintage 1910s Belle Époque Pendant Necklaces
Materials
White Diamond, Enamel
Victorian Diamond Platinum Pendant Necklace Antique Estate Jewelry
Located in Beverly Hills, CA
0.20-ct.
Diamond total weight is approximately 11.76 carats.
The pendant is 1-3/8" long and 3/4" wide
Category
Antique Late 19th Century Victorian Drop Necklaces
Materials
Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '1/2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Platinum Gold Four Prongs Natural Diamond Pendant '3/4 Carat'
Located in San Francisco, CA
diamond (3/4 ct. tw)
Product details:
Center Gemstone Type: NATURAL DIAMOND
Center Gemstone Color
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum, Gold
Platinum Martini 3 Prongs Natural Diamond Pendant '1 1/2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin Pendant
By Oscar Heyman
Located in Beverly Hills, CA
eighty two round brilliant cut diamonds totaling 9.28 carats. The brooch/pendant has one 1.05-ct pear
Category
Vintage 1960s American More Necklaces
Materials
Diamond, Sapphire, Platinum
GIA Certified 3/4 Carat Asscher Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond GIA
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Platinum Diamond Lock on Japanese Akoya Degradé Pearl Necklace 5.6 mm -9 mm
Located in Antwerp, BE
mm to 9 mm
Diamonds: 3 Brilliant cut diamonds together approx. 0.18 ct.
Material lock: Platinum
Category
20th Century French Artisan Beaded Necklaces
Materials
Diamond, Pearl, Platinum
Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Located in Napoli, IT
exceptional sparkle
3 old European cut diamonds totalling approx 1.10 Ct (G/H-VS/SI) – 23 old mine cut
Category
Early 20th Century European Edwardian Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, 9k Gold, Platinum
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H 1.89 in W 0.56 in L 17.92 in
GIA Certified 3/4 Carat Asscher Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond GIA
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Diamond, Platinum
1910 Edwardian Platinum over 14K Rose Gold Peridot, Diamond and Pearl Necklace
Located in Lexington, KY
- Platinum over 14k rose gold
- 4.61 ct kite Peridot
- 2=1.92 tw round cut peridots
- 3= Seed
Category
Vintage 1910s American Edwardian Chain Necklaces
Materials
Diamond, Pearl, Peridot, 14k Gold, Rose Gold, Platinum
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L 14.5 in
GIA Certified 3/4 Carat Cushion Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond quality
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Antique Rose Gold, Platinum, Sapphire and Diamond Swag Necklace
Located in New York, NY
sapphire ap. 3.75 cts., spaced by 10 old European-cut diamonds ap. .35 ct., c. 1900, ap. 6.8 dwts. Length
Category
Antique Early 1900s American Art Nouveau Pendant Necklaces
Materials
Diamond, Sapphire
Art Deco Diamond and Pearl Platinum Pendant
Located in Beverly Hills, CA
: Platinum
Gemstone: Diamonds totaling 3.25 ct., H-I-J / SI-2
Gemstone: Central OEC Diamond = 0.70 ct.
Circa
Category
Vintage 1930s Art Deco Pendant Necklaces
Materials
Diamond, Pearl, Platinum
Platinum Diamond and Pearl Pendant, circa 1910
Located in Beverly Hills, CA
One platinum diamond and pearl pendant featuring 55 old European cut diamonds totaling 2.75 ct
Category
20th Century Edwardian Pendant Necklaces
Materials
Diamond, Pearl, Platinum
Art Deco Diamond Drop Pendant Necklace
Located in Hummelstown, PA
A bright-white brilliant-cut diamond, weighing 1.03 ct, floats from within a platinum halo
Category
Vintage 1920s Pendant Necklaces
Materials
Diamond, 18k Gold, Platinum
0.83ct Sapphire, Diamond, 18K Gold & Platinum Pendant
Located in MAIN BEACH, QLD
SPECIFICATIONS
Gemstone: 0.83ct Natural Australian Sapphire
Diamonds: 0.03 ct natural D-F VVS
Category
21st Century and Contemporary Australian Modern Pendant Necklaces
Materials
Diamond, Sapphire, 18k Gold, Platinum
18K Yellow Gold & Platinum Tanzanite and Diamond Pendant
Located in Lexington, KY
This 18k yellow gold and platinum pendant with tanzanite and diamond is extraordinary. Being made
Category
Vintage 1960s American Contemporary Pendant Necklaces
Materials
Diamond, Tanzanite, 18k Gold, Yellow Gold, Platinum
Victorian Diamond Pearl Rare Holbeinesque Necklace 18 Kt
Located in Napoli, IT
combination of enamelling and diamond set, lovely chains completing the piece
2.05 Ct of old mine cut Diamonds
Category
Antique Late 19th Century European Renaissance Revival Pendant Necklaces
Materials
Diamond, Pearl, 18k Gold, Platinum
NEW South Sea Pearl Hearts & Arrows Diamond "Art Deco" ENHANCER in Platinum
Located in Warren, NJ
Introducing a breathtaking AAAA+ South Sea Pearl and Diamond Pendant in Platinum, featuring an Art
Category
Antique Mid-18th Century Art Deco Pendant Necklaces
Materials
Diamond, South Sea Pearl, Platinum
Free Shipping
H 3.69 in W 1 in
Rosario Navia Mara Large Folded Link Pendant in 18K Gold, Platinum, and Diamonds
By Rosario Navia
Located in New York, NY
with 18K solid gold with varying round, oval, and pear natural diamonds set in platinum.
The Mara
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, 18k Gold, Platinum
Free Shipping
W 0.56 in D 0.32 in L 1.07 in
Antique Edwardian Drop Shaped Diamond Necklace
Located in Chicago, IL
Circa 1910
This stylish antique Edwardian era drop shaped diamond necklace is finely crafted in
Category
Early 20th Century Edwardian Drop Necklaces
Emilio Jewelry Gia Certified 30.00 Carat Emerald Cut Diamond Necklace
By Emilio!
Located in New York, NY
available.
Approximate t.w.=30.00ct
Approximate size of each diamond: .30ct or 1/3 ct
Length: 17inches
Category
21st Century and Contemporary Choker Necklaces
Materials
Diamond, White Diamond, 18k Gold
Antique Necklace Natural Pearls Diamonds Emeralds solid 18K Gold /40cm/ 5.6gr
Located in SE
with 3 old diamond cut Diamonds and 22 calibre cut Emeralds. Chain in White Gold or Platinum for best
Category
Antique Early 1900s European Art Nouveau Beaded Necklaces
Materials
Emerald, Diamond, Natural Pearl, 18k Gold
Original Art Nouveau Pendant in Platinum Yellow Gold around 1920 Shadowy Madonna
Located in Viena, Viena
Original Art Nouveau pendant in platinum / yellow gold around 1920, with rose-cut diamonds total
Category
Vintage 1920s European Art Nouveau Pendant Necklaces
Materials
Diamond, Yellow Gold, Platinum
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W 25 in D 4 in L 40 in
Art Deco Three Strand Baroque Shaped Pearl Necklace Ruby Diamond Large Clasp
Located in Napoli, IT
wear due to age
Complemented by an outstanding large clasp set with 1.40 Ct old European cut Diamonds G
Category
Vintage 1920s European Art Deco Multi-Strand Necklaces
Materials
Diamond, Pearl, Ruby, 18k Gold
Retro Grasshopper Diamond Plique a Jour Pendant Brooch 18 KT Gold
Located in Napoli, IT
: 3 brilliant cut diamonds totalling approx .06 Ct
Measures: 51 mm. x 26 mm. (h. x w.) without bail
Category
Vintage 1940s European Retro Pendant Necklaces
Materials
Diamond, 18k Gold, Platinum
Art Nouveau Diamond Opal Pendant/Brooch, circa 1900
Located in London, GB
“silver Set” channel setting , approx 1 ct total. G/H/I, VS2-SI2.
Total diamond weight: approx
Category
Antique Early 1900s British Art Nouveau Pendant Necklaces
Materials
Diamond, White Diamond, Opal, 18k Gold, Yellow Gold, Silver
Art Nouveau Diamond Opal Pendant/Brooch, circa 1900
Located in London, GB
“silver Set” channel setting , approx 1 ct total. G/H/I, VS2-SI2.
Total diamond weight: approx
Category
Antique Early 1900s British Art Nouveau Pendant Necklaces
Materials
White Diamond, Opal, Diamond, 18k Gold, Yellow Gold, Silver
1932 Art Deco Nordic Pendant Onyx Diamonds solid 18K Gold / 2.6gr
Located in SE
others are rose cuts ca. 0.01 ct each. All diamonds with open backs.
Swedish hallmarks, 18K. Maker
Category
Vintage 1930s Swedish Art Deco Pendant Necklaces
Materials
Diamond, Onyx, 18k Gold, White Gold
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W 0.71 in D 0.12 in L 1.26 in
Antique Bracelet 5.5 ct Sapphire 2.3ctw Diamonds 18K Gold Platinum /17.7cm/9.4gr
Located in SE
( visual even without magnification).
14 Diamonds on floret measure Ø 3 mm / 0,14 ct each.Two largest on
Category
Vintage 1930s German Art Deco Link Bracelets
Materials
Diamond, Sapphire, 18k Gold, Platinum
Free Shipping
L 6.97 in
Antique German Ring 0.3 ct Diamonds solid 14K Gold Platinum Ø8US/ 1.76 gr
Located in SE
Art-Deco period 3 stones German Ring featuring Diamonds and solid Platinum / or White Gold on top
Category
Vintage 1920s European Art Deco Wedding Rings
Materials
Diamond, 14k Gold, Platinum
1930 Finish Ring 0.5ctw 3 Diamonds solid 18K Yellow Gold Platinum US7 / 1.4gr
Located in SE
Old Finish Ring with 3 old European cut Diamonds, band in solid 18K Yellow Gold with Platinum
Category
Vintage 1930s Finnish Art Deco Three-Stone Rings
Materials
Diamond, 18k Gold, Platinum
1905 Antique Ring Ruby Diamonds solid 18K Gold Platinum ØUS 8.7.5 / 3 gr
Located in SE
A Ring with openwork crown arranged with 19 care cut Rubies and 5 natural Diamonds in Platinum
Category
Antique Early 1900s European Art Nouveau Cluster Rings
Materials
Diamond, Ruby, 18k Gold, Platinum
1933 Wedding Ring 3 diamonds 0.6ctw solid 23K Gold Platinum Ø 5.75 US/ 4.7gr
Located in SE
Fine 23K and Platinum Antique Wedding Diamond Ring handmade in Sweden in 1933.
Larger Old European
Category
Vintage 1930s Swedish Art Deco Engagement Rings
Materials
Diamond, Gold, 22k Gold, Platinum
1918 Antique 3 stones Ring Ruby Diamonds 18K Gold Platinum Ø US 8.75 / 3.1gr
Located in SE
Red Ruby ( lab made ) stone Ø 6.75 / ca. 1.25 and two old diamond cut diamonds in Platinum clusters
Category
Vintage 1910s Swedish Art Deco Cluster Rings
Materials
Diamond, Ruby, 18k Gold, Platinum
1934 Ring 3 stones 0.47 ct Sapphire Diamonds solid 18K Gold Ø US 8.75 / 1.6 gr
Located in SE
Art - Deco period Three - stone Ring , band in solid 18k Yellow Gold with platinum bezels set with
Category
Vintage 1930s Swedish Art Deco Cluster Rings
Materials
Diamond, Sapphire, 18k Gold
Diana M. Platinum sapphire and diamond ring GRS certified 24.38ct sapphire
By Diana M. Jewels
Located in New York, NY
Platinum sapphire and diamond ring featuring a GRS certified 24.38 ct natural cushion cut blue
Category
21st Century and Contemporary American Modern Fashion Rings
Materials
Diamond, Sapphire, Platinum
Antique Russian Bracelet 0.5ctw Diamonds 18KGold Platinum/ 14.8cm-18 cm/10.5gr
Located in SE
Russian ca. 1908 -1917 Imperial period solid 18K Gold and Platinum link Bracelet decorated with
Category
Antique Early 1900s European Art Nouveau Link Bracelets
Materials
Diamond, 18k Gold, Platinum
1913 Ring 0.25ct Diamonds solid 18K Yellow Gold Platinum ØUS9.5/ 3gr
Located in SE
Diamonds.
Platinum on Gold openwork crown with 3 diamond stones.
Swedish hallmarks, 18k , maker is GD&Co
Category
Vintage 1910s European Art Deco Cluster Rings
Materials
Diamond, Yellow Gold, Platinum
1964 Nordic Ring 0.3 ct Ruby 0.22ctw Diamonds solid 18K Gold Ø 7.5 US/ 2.5gr
Located in SE
/ the maker. Year marks P9 = made in 1964
Ruby 5 mm x 3 mm /ca 0.3 ct , diamonds Ø 3 mm /0.11 ct each
Category
Vintage 1960s Swedish Art Deco Three-Stone Rings
Materials
Diamond, Ruby, 18k Gold, Platinum
Antique Art - Deco Ring 1.2ct Sapphire Diamonds solid Platinum ØUS 7.25 /3gr
Located in SE
Beautiful Sapphire + Diamonds + Platinum Ring from 1900s -1920s.
All metal parts of this ring are
Category
Vintage 1920s German Art Deco Cluster Rings
Materials
Diamond, Sapphire, Platinum
Antique Thee Stone Ring 0.45ctw Diamonds 14K Yellow Gold Platinum ØUS8.25/3.3gr
Located in SE
mm deep ca / ca 0,2 ct + two Ø 3 mm x 1.55 mm deep / ca.0.14 ct. each; total ca 0.45 ctw. Color ca. G
Category
Vintage 1920s European Art Deco Cluster Rings
Materials
Diamond, 14k Gold, Platinum
1916 Nordic Ring 1ctw. Diamonds solid 18K Gold Platinum Ø 6.75US / 2.2gr
Located in SE
.
There are 15 stones, with diameters ranging from Ø 3 mm/ 0.11 ct to Ø 2.25 mm /0.04 ct .
Color ca G,H
Category
Vintage 1910s European Art Nouveau Engagement Rings
Materials
Diamond, 18k Gold, Platinum
1938 Ring Natural 1ct. Sapphire Diamonds solid 18K Gold Platinum ØUS 6.5 / 3gr
Located in SE
variations and banding 9.5 mm x 3.25 mm x 2.4 mm deep / ca 1 ct . Each diamond of old European cut Ø 2 mm
Category
Vintage 1930s European Art Deco Cluster Rings
Materials
Diamond, Sapphire, 18k Gold, Platinum
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3 Ct Platinum Diamond Necklace For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 3 ct platinum diamond necklace for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Platinum, Gold and 18k Gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a 3 ct platinum diamond necklace may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 3 ct platinum diamond necklace has been a part of the legacy of many jewelers, but those produced by House of R&D, LB Exclusive and Tiffany & Co. are consistently popular. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and pear cut alternatives. Most of our 3 ct platinum diamond necklace for sale are for women, but there are 94 pieces available to browse for men.
How Much is a 3 Ct Platinum Diamond Necklace?
On average, a 3 ct platinum diamond necklace at 1stDibs sells for $7,255, while they’re typically $80 on the low end and $650,000 for the highest priced versions of this item.
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