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.45 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 8.95
Metal Type: Platinum
Weight: 4.9 grams
Center Diamond Details
Shape: Old European
Category
Vintage 1930s Unknown Art Deco Engagement Rings
Materials
White Diamond, Platinum
.45 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 4.75
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 3.0 grams
Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.45 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 2.0 grams
Center Diamond
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.45 Carat Marquise Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
1950's Marquise diamond engagement ring. Marquise center stone set in platinum with two baguette
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
Magnificent Solid Platinum Ring with 45 Carat Tourmaline & Diamonds
Located in Antwerp, BE
.
Tourmaline: 45.6 ct Vivid Green
Diamonds: Brilliant cut together 2.33ct
Material: Solid Platinum
Ring size
Category
21st Century and Contemporary Artisan Dome Rings
Materials
Diamond, Tourmaline, 18k Gold, White Gold, Platinum
Peter Suchy .45 Carat Diamond Platinum Eternity Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
diamonds and engraved sides. Not sizable but can be ordered in any size. Designed and crafted in the Peter
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Platinum
.45 Carat Total Weight Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.75
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 4.6 grams
Diamond Details
Category
Vintage 1930s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.45 Carat Total Weight Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 4.25
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 2.5 grams
Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
1920s Art Deco .45 Carat Old European Diamond Platinum Shield Ring
Located in Atlanta, GA
1920s Art Deco .45 Carat Old European Diamond Platinum Shield Ring
Fits Ring Size 5
Platinum
Category
Early 20th Century Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.45 Carat Art Deco Diamond 18 Karat Yellow Gold/Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 7
Metal Type: 18k Yellow Gold & Platinum [Hallmarked, and Tested]
Weight: 1.5 grams
Category
Vintage 1920s Unknown Art Deco Wedding Rings
Materials
Diamond, Yellow Gold, Platinum
Vintage Engraved Wedding Band Platinum & 18K Yellow Gold Size 8
Located in Montgomery, AL
Lovely piece of vintage history!
Engraved Inside: AJ to AP Nov 2 - 45
Ring Details:
Two Toned
Category
20th Century Art Deco Wedding Rings
Materials
Gold, 18k Gold, Yellow Gold, Platinum
Late Art Deco French Certified 1.91 Ct Fancy Yellow Diamond Plus Platinum ring
Located in Napoli, IT
Platinum, 1935/45 ca – late Art Deco period
French hallmarks
Mounted all on shiny Platinum for more result
Category
Vintage 1930s French Art Deco Engagement Rings
Materials
Yellow Diamond, Platinum
Ritani Platinum Diamond Eternity Band
By Ritani
Located in Scottsdale, AZ
Designer: Ritani
Material: platinum
Diamond: 45 round cut = 0.45cttw
Color: G
Clarity: SI1-2
Size
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, Platinum
Cartier Platinum Solitaire 1895 Ring
By Cartier
Located in Bishop's Stortford, Hertfordshire
Material(s) Platinum
Gemstone Diamond
UK Ring Size G
EU Ring Size 45
US Ring Size 3 1/4
Resizing Possible
Category
2010s Unknown Contemporary Engagement Rings
Materials
Diamond, Platinum
Cartier Diamond Eternity Platinum Band Ring
By Cartier
Located in Holland, PA
Platinum Diamond Eternity Band Ring by Cartier.
With 45 round brilliant cut diamonds VVS1 clarity
Category
20th Century French Band Rings
Materials
Diamond, Platinum
Platinum Mens Diamonds Octagonal Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
. , 45 diamonds scattered about to create a dazzling light show.
Unisex ring. size 10 Made to order in
Category
2010s American Contemporary Fashion Rings
Materials
Diamond, Platinum
ArtDeco Diamond Brooch in Platinum
Located in Honolulu, HI
Art Deco Diamond Brooch in platinum. Gorgeous hand crafted art deco brooch in a braided infinity
Category
Antique Early 19th Century Art Deco Brooches
Materials
Diamond, White Gold, Platinum
Tiffany & Co ladies platinum diamond halo ring
By Tiffany & Co.
Located in Braintree, GB
Tiffany & Co ladies platinum diamond halo ring.
Maker: Tiffany & Co.
Fully hallmarked.
Comes in
Category
21st Century and Contemporary American Fashion Rings
Materials
Diamond, Platinum
Edwardian .95 Ct Diamond Platinum Rare Ring
Located in Napoli, IT
– complementary Diamonds make approx .45 Ct. (H/I-VVS/SI)
Very good condition , can easily re-size
Metal
Category
Early 20th Century European Edwardian Engagement Rings
Materials
Diamond, Platinum
French 1950s 3, 45 Carats Diamond 18 Karats White Gold Solitaire Ring
Located in Poitiers, FR
Ring in 18 karat white gold, eagle head hallmark, and platinum, dog head hallmark.
Magnificent and
Category
Vintage 1950s French Retro Solitaire Rings
Materials
White Diamond, Diamond, Gold, White Gold, 18k Gold, Platinum
Edwardian 0.40 Carat Diamond Engagement Platinum Ring
Located in beverly hills, CA
this finely detailed Edwardian era platinum engagement ring. The center diamond is highlighted on
Category
Early 20th Century Edwardian Engagement Rings
Materials
Diamond, Platinum
Platinum Ruby and Diamond Buckle Fashion Ring
By Gumuchian
Located in Greenville, DE
This Ruby and diamond ring is crafted in Platinum and features (1) oval ruby burma ring with a deep
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Ruby, Platinum
1950s Platinum Cocktail Ring w/ Emerald and Diamond
Located in Lexington, KY
- Platinum
- .25 cttw G color VS1 diamond
- .45 cttw emerald
- Size 6.5
- 5.26 grams
Category
Vintage 1950s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, Platinum
Faye Kim Platinum Ruby and Diamond Halo Engagement Ring
By Faye Kim
Located in Westport, CT
- Perfect for the fashion-forward bride!
Size 6
Faceted Round Ruby: 1.08 carats
Diamonds: .45 Carats. twt
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, Ruby, Platinum
Art Deco 1.60 Ct Diamond Platinum Halo Ring
Located in Napoli, IT
) – 14 old European cut diamonds totalling approx .45 Ct
UK size: M 3/4
US size: 6 1/2
Measures: head is
Category
Vintage 1930s European Art Deco Engagement Rings
Materials
Diamond, Platinum
IGI Certified Platinum Natural Sapphire and Diamond Ring
Located in Washington Depot, CT
IGI Certified Vintage Platinum Natural Sapphire and Diamond Ring
Size 8
Front of the ring
Category
20th Century Cocktail Rings
Materials
Diamond, Sapphire, Platinum
14 Karat Yellow Gold and Platinum Diamond Ring
Located in Washington Depot, CT
14 Karat Yellow Gold and Platinum Diamond Ring Size 5.5 -
This sparkling ring features three round
Category
20th Century Fashion Rings
Materials
Diamond, Yellow Gold, Platinum
Neclace with diamonds 18k white gold and platinum
Located in The Hague, ZH
Platinum necklace with 18k white gold center piece set with brilliant and single cut diamonds up to
Category
Vintage 1910s Dutch Art Nouveau Choker Necklaces
Materials
Diamond, 18k Gold, White Gold, Platinum
Art Deco Black Onyx Diamond Platinum Dinner Ring
Located in Napoli, IT
approx .45 Ct TCW G VVS
Beautifully hand constructed of weighty Platinum , strong character of the
Category
Vintage 1930s British Art Deco Cocktail Rings
Materials
Diamond, Onyx, Platinum
Tiffany & Co. Brilliant Cut 0.8ct Diamond Platinum Tiffany Setting Ring
By Tiffany & Co.
Located in Bishop's Stortford, Hertfordshire
& Co. Certificate
Material(s)- Platinum
Gemstone- Diamond
UK Ring Size- G
EU Ring Size- 45
US Ring Size
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
Art Deco Diamond Platinum Wedding Engagement Ring Edwardian
Located in New York, NY
A stunning Antique Art Deco - Edwardian Diamond Ring in Platinum with a spectacular .20 Carat Old
Category
Early 20th Century Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
Art Deco Diamond and Ruby Ring in Platinum
Located in Wailea, HI
Art Deco Diamond and Ruby Ring in Platinum
One Round Brilliant Cut Diamond weighing .60 carats
Category
Early 20th Century Unknown Art Deco More Rings
Materials
White Diamond, Ruby, Platinum
IWC Ingenieur IW500502 in Platinum with a Silver dial 45mm Automatic watch
By IWC
Located in Surfside, FL
power reserve. 45 mm case size. Circa 2008. Ref IW500502. Fine Pre-owned IWC Watch. Certified preowned
Category
Early 2000s Wrist Watches
Materials
Platinum, Silver
Platinum Diamond Ring Band Vintage Engagement Wedding 1.41 TDW
By Estate Jewelry
Located in East Brunswick, NJ
luxurious Platinum.
The center round cut diamond is .45 carat of VS2 clarity and G color.
32 smaller single
Category
Mid-20th Century Band Rings
Materials
Diamond, Platinum
Platinum Set Blue Sapphire & Diamond Alternating Mirrored Vintage Bracelet
Located in Miami, FL
your jewelry collection.
Details:
- Metal: Platinum
- Size: 7
- Weight: 37.60 Grams
- Width: 10.22 MM
Category
Vintage 1970s Art Deco Retro Bracelets
Materials
Diamond, Blue Sapphire, Platinum
Free Shipping
W 0.4 in L 7 in
Antique Art Deco Platinum Old Mine Diamond Engagement Ring
Located in Great Neck, NY
Diamond: .45 ct
Color: H
Clarity: SI1
Ring Size: 4
This ring can be sized for a $50 fee!
*Please note
Category
Vintage 1920s Art Deco Engagement Rings
Materials
Diamond, Platinum
White & Fancy Diamond Ring Platinum Cocktail Cluster 4.00 TDW
By Estate Jewelry
Located in East Brunswick, NJ
This gorgeous estate ring is crafted in Platinum and set with natural white and fancy diamonds.
The
Category
21st Century and Contemporary Cluster Rings
Materials
Diamond, Platinum
Art Deco Old European Cut Diamond Platinum Cocktail Ring
Located in Stamford, CT
.55 carats
Size 6.5 and sizable
Platinum
Tested: Platinum
4.8 Grams
20.98 mm wide at top
3.15 mm high
Category
Early 20th Century Cocktail Rings
Materials
Diamond, Platinum
1.42 Carat Pear Shape Ruby and Diamond Platinum Ring
By David Gross Group
Located in New York, NY
. Surrounded by 83 brilliant cut diamonds (F+ VS+) weighing a total of .45 carats seamlessly set in this
Category
2010s American Contemporary Fashion Rings
Materials
Ruby, Diamond, Platinum
Circa 1945, Vintage Platinum Round Single Cut Diamond Wedding Band
Located in Great Neck, NY
Beautiful antique platinum wedding band. The band has a platinum mark and has "CHER ANNIE 6-30-45
Category
Vintage 1920s Art Deco Band Rings
Materials
Diamond, Platinum
Estate Platinum Marquise Round Diamond Openwork Band Ring 2cttw Sz 6.5
Located in Winter Springs, FL
Not all band rings have a presence, but this one most certainly does. Crafted in platinum, this
Category
Early 2000s Contemporary Band Rings
Materials
Diamond, Platinum
Diamond and Pearl Rose Gold Platinum Engagement Ring
Located in Atlanta, GA
Item Details:
Ring Size: 4.5
Metal Type: 14 Karat Rose Gold and Platinum Top
Weight: 3.0 grams
Category
Antique 1880s Unknown Victorian Engagement Rings
Materials
White Diamond, Natural Pearl, 14k Gold, Rose Gold, Platinum
Antique Art Deco Platinum Natural Emerald Diamond Engagement Ring
Located in Great Neck, NY
around it in a gorgeous Art Deco mounting.
Item #R1530
Metal: Platinum
Weight: 3.1 Grams
Size: 3 3/4
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Emerald, Platinum
Natural Diamond Ring Platinum Round cut .65ct TDW Engagement Solitaire
By Estate Jewelry
Located in East Brunswick, NJ
finger. Size 6.5 (can be resized by your local jeweler). The ring weighs 3.6 grams of luxury Platinum and
Category
Late 20th Century Three-Stone Rings
Materials
Diamond, Platinum
Platinum and Diamond Ring
Located in New York, NY
A platinum and diamond ring. Set with a cushion cut diamond, weighing 3.03 carats, with pave
Category
2010s American Engagement Rings
Materials
Diamond
Art Deco 3.24 Carat Diamond Platinum Bar Brooch, circa 1930
Located in Goettingen, DE
diamond weighing 0.8 ct (G/si).
950 platinum
45 diamonds with a total of approx. 3.24 ct in old cut
Category
Vintage 1930s German Art Deco Brooches
Materials
Diamond, Platinum
Belle Epoch Early European Cut Diamond Brooch, Platinum, Circa 1920
Located in ADELAIDE, SA
One scrolled and lattice Belle Epoque design brooch set with 45 early European cut fine quality
Category
Vintage 1920s Unknown Belle Époque Brooches
Materials
Diamond, Platinum
Extraordinary 2.01ct Emerald Cut Art Deco Style Platinum Diamond Ring
Located in San Francisco, CA
Near perfect design meets a near perfect emerald cut diamond! This truly gorgeous platinum
Category
21st Century and Contemporary American Art Deco Engagement Rings
Materials
Diamond, Platinum
Platinum 5.12 Carat Cushion Cut Natural Sapphire & Diamond Baguette Fan Ring
Located in Cape May, NJ
Era: New
Composition: Platinum
Primary Stone: Cushion Cut Natural Sapphire
Carat Weight: 5.12
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Art Deco 5.95 Ct Solitaire Colombian Emerald Diamond Platinum Ring
Located in Napoli, IT
scrolls holding the main Emerald set as solitaire
Skillfully hand crafted as unique of solid Platinum
Category
Vintage 1930s European Art Deco Solitaire Rings
Materials
Diamond, Emerald, Platinum
GIA Certificate 2.44 Carat Cushion Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
baguette diamonds, approx. total weight .25cts, H, VS
Size 6 and sizable
Platinum
Tested: Platinum
Stamped
Category
Mid-20th Century Engagement Rings
Materials
Blue Sapphire, Diamond, Sapphire, Platinum
Art Deco Diamond and Sapphire Ring in Platinum, circa 1920s
Located in Wailea, HI
Carats Approximately
Fourteen French Cut Sapphires Weighing .45 Carats Approximately
Currently Size
Category
Early 20th Century Unknown Art Deco Engagement Rings
Materials
Diamond, Sapphire, Platinum
Vintage Estate Retro Platinum Diamond and Green Sapphire Three Stone Ring
Located in Great Neck, NY
: Platinum
Weight: 8.2 Grams
Size: 6 3/4
Diamonds: Approximately 1.50 cts total (Two larger stones are
Category
Vintage 1960s Retro Three-Stone Rings
Materials
Diamond, Green Sapphire, Platinum
Platinum '960/-' Brooch, Art Deco, Diamonds, Sapphire and Pink Rourmaline, 1930
Located in Heerlen, NL
, size: 45 x 28 x 5 mm.
- 1 blue sapphire, weighing: 1.30 ct (untreated)
- 1 Rose Tourmaline, weighing
Category
Vintage 1930s Unknown Art Deco Brooches
Materials
Diamond, Sapphire, Tourmaline, Platinum
W 1.11 in D 0.2 in L 1.78 in
Peter Suchy 2.08 Carat Natural Alexandrite Diamond Halo Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
. Approximate .45 carats
Size 6.5 and sizable
Platinum
Tested: Platinum
Stamped: Platinum
Hallmark: Sylvie
5.5
Category
21st Century and Contemporary Engagement Rings
Materials
Alexandrite, Diamond, Platinum
Edwardian / Art Deco Platinum and Diamond Trilogy Ring - GIA VVS2/G
Located in Hummelstown, PA
face of this streamlined Edwardian / Art Deco finger hugger. Expertly crafted in platinum, three
Category
Vintage 1920s Art Deco Wedding Rings
Materials
Diamond, Platinum
14K White Gold/Platinum Art Deco Diamond Ring 1.45 ct
Located in Laguna Beach, CA
ring tests platinum.
The bottom half of the ring was changed to 14k white gold for ring sizing.
All
Category
Early 20th Century Art Deco Cluster Rings
Materials
Diamond, 14k Gold, White Gold, Platinum
3.00 Carat Yellow Oval Diamond Ring with Baguette Round Accents in Platinum
Located in La Jolla, CA
size is 6.5
Ring measures .45 inch wide at the top.
Ring weighs 5.7 grams.
Set in platinum.
Marking
Category
21st Century and Contemporary North American Cocktail Rings
Materials
Diamond, Platinum
Vintage Diamond Engagement Ring .45ct I/SI1 Platinum Genuine 1930s Antique Deco
Located in Dearborn, MI
Genuine Original Antique Art Deco from 1930s Vintage .45ct Diamond Platinum Solitaire Art Deco
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co. Platinum Round Diamond Engagement Ring Diamond band .73cts tw FVS2
By Tiffany & Co.
Located in New York, NY
Hallmarks: Tiffany & Co. PT950 33183062 .45 CT
Finger Size: 5( Can be Re-sized)
Weight: 3.4 grams
Diamond
Category
2010s American Modern Engagement Rings
Materials
Diamond, Platinum
- 1
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Save "Platinum Size 45", and we’ll notify you when there are new listings in this category.
Platinum Size 45 For Sale on 1stDibs
Surely you’ll find the exact platinum size 45 you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using platinum, gold and 18k gold. Our collection of these items for sale includes 231 vintage editions and 92 modern creations to choose from as well. If you’re looking for a platinum size 45 from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. Creating a platinum size 45 has been a part of the legacy of many jewelers, but those produced by Tiffany & Co., Cartier and Peter Suchy are consistently popular. While most can agree that any platinum size 45 from our collection can easily elevate most outfits, but the choice of a diamond version from the 217 available is guaranteed to add a special touch to your ensemble. See these pages for a round cut iteration of this accessory, while there are also old european cut cut and emerald cut cut versions available here, too. When shopping for a platinum size 45, you’ll find that there are less available pieces for unisex or men today than there are for women.
How Much is a Platinum Size 45?
On average, a platinum size 45 at 1stDibs sells for $4,782, while they’re typically $445 on the low end and $498,000 for the highest priced versions of this item.
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