Skip to main content

50k Diamond

4
to
51
320
151
319
173
81
44
41
31
29
21
17
16
14
10
9
6
6
4
4
4
3
3
2
2
1
1
1
1
1
51
34
24
20
14
Sort By
GIA Certified Natural 50 Ct Ceylon NH Ruby & 8 Ct Diamond Apple 18 K Pin/Brooch
Located in New York, NY
GIA Certified Natural NO HEAT 50 Ct Ceylon Ruby & 5 Ct Diamond Big Apple 18 K Pin/Brooch GIA Report
Category

1990s Brooches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

18k Rose Gold Black Diamonds & Brown Diamonds Snake Ring
By Althoff Jewelry
Located in Hong Kong, HK
18 K Rose Gold Black Diamonds & Brown Diamonds Snake Ring 50 Brown Diamonds 0.82 CT 16 Black
Category

21st Century and Contemporary Hong Kong Modern Fashion Rings

Materials

Black Diamond, Brown Diamond, Rose Gold

Antique Three-Stone Diamond Ring
Located in London, GB
(Very Good) Weight: 6.7 grams Size: K (50) Band Width: 6mm - 3mm Total Diamond Weight: Approx. 0.50ct
Category

Antique 19th Century Three-Stone Rings

Materials

Diamond

Platinum and Diamond Solitaire Halo Ring Centring a 2.15cts Cushion-cut Diamond
Located in London, GB
. Weighs 5.8 grams.Certain rings are resizable, please ask. Approximate ring size is: K (UK), 50 (EU), 5.5
Category

1990s French Solitaire Rings

Materials

Diamond, Platinum

Classic Diamond Pink Gold Necklace
By Natkina
Located in Montreux, CH
Necklace Pink Gold 14 K (Matching Ring and Earrings Available) Diamond 5-Round 57-0,03-5/6A Diamond
Category

2010s Drop Necklaces

Materials

Diamond, 14k Gold

Impressive Black Diamond White Gold Necklace
By Natkina
Located in Montreux, CH
Necklace White Gold 14 K Diamond 10-RND-0,06-G/VS1A Diamond 12-RND-0,23-I/VS2A Diamond 2-RND
Category

2010s Drop Necklaces

Materials

Black Diamond, Diamond, 14k Gold, White Gold

Impressive Black Diamond Yellow Gold Necklace
By Natkina
Located in Montreux, CH
Necklace Yellow Gold 14 K (Matching Earrings Available) Diamond 5-RND-0,03-H/VS2A Diamond 13-RND
Category

2010s Drop Necklaces

Materials

Diamond, Black Diamond, 14k Gold, Yellow Gold

Chopard Diamond Set 18 Carat Yellow Gold Heart Design Happy Diamonds Ring
By Chopard
Located in Bishop's Stortford, Hertfordshire
Ring Size- K EU Ring Size- 50 US Ring Size- 5 1/4 Resizing Possible- Yes Gemstone Quantity- 16
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Yellow Gold

Impressive Black Diamond Yellow Gold Necklace
By Natkina
Located in Montreux, CH
Necklace Yellow Gold 14 K (Matching Ring and Earrings Available) Diamond 10-RND-0,06-G/VS1A
Category

2010s Drop Necklaces

Materials

Diamond, Black Diamond, Yellow Gold, 14k Gold

Vintage Ruby and Diamond Ring
Located in London, GB
Ring Size: K (50) Band Width: 10mm - 6mm Diamond: Approx. 0.42, Colour: G-H, Clarity: VS Rubies: Approx
Category

20th Century Fashion Rings

Materials

Diamond, Ruby, Gold, Yellow Gold

Vintage Two-Stone Diamond Ring
Located in London, GB
clawed settings. Condition: Used (Very Good) Weight: 2.5 grams Ring Size: K (50) Band Width: 1.50mm
Category

20th Century Fashion Rings

Materials

Diamond, Gold, White Gold, Yellow Gold

Bulgari Corona Solitaire Diamond Ring
By Bulgari
Located in Bishop's Stortford, Hertfordshire
diamond, clarity VS, colour F/G. Made in a platinum setting. UK ring size K. EU ring size 50. US ring size
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

Bespoke Diamond Conversion Station Necklace 4.37 Carats
Located in Hummelstown, PA
- VS2 range in clarity and L color, .75 ct with I2 clarity and K color, .50 ct with VS1 - VS2 range in
Category

2010s Pendant Necklaces

Materials

Diamond, Rose Gold, Platinum

Victorian Old Cut Diamond Cluster Ring
Located in London, GB
: 2.6 grams Size: K (50) Centre Diamond Carat Weight: Approx. 0.45 Carats Centre Diamond Details: Colour
Category

20th Century Engagement Rings

Materials

Diamond, 15k Gold

French Platinum Diamond Ruby Ring
Located in Solvang, CA
platinum featuring a .50 carat round brilliant cut center diamond with SI2 clarity and K color. It is
Category

Vintage 1940s Fashion Rings

Materials

Diamond, Ruby, Platinum

Diamond Ruby Gold Cocktail Ring
Located in Berlin, DE
Set with old-mine-cut diamond weighing ca. 1,0 ct., brilliant-cut diamond weighing ca. 0,60 ct. and
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

White Gold Diamond Ring 3.10ct
Located in London, GB
gross weight of 4.33 grams and is currently a UK size K½/ US size 5 1/4/ EU size 50½ but can be adjusted
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Tiffany & Co. Forever Diamond Band Ring
By Tiffany & Co.
Located in London, GB
. Condition: Used (Very Good) Weight: 2.7 grams Size: K (50) Band Width: 2mm Total Diamond Weight: Approx
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond

Ring with diamonds 18k white gold
Located in The Hague, ZH
18k white gold ring set with brilliant and rose cut diamonds. 0.30ct - K/L, G/H - VS,SI - ring size
Category

Vintage 1950s Dutch Retro Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Yellow Sapphire & Diamond Ring 0.57ct
Located in London, GB
50 but can be adjusted for the perfect fit. Comes complete with a Rich Diamonds presentation box and
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Yellow Sapphire, 18k Gold, White Gold

Victorian Pink Paste and Diamond Cluster Ring
Located in London, GB
: 2.5mm Ring Size: K (50) Face Dimensions: 10mm x 8.5mm Pink Paste Dimensions: 5.5mm x 4.5mm Rose Cut
Category

Antique Early 19th Century Cluster Rings

Materials

Diamond

14 Karat White Gold Diamond Station Necklace
Located in Washington Depot, CT
: .50 ct. Diamond clarity: SI2-I Diamond color: J-K Size: 18 inches Weight: 2.5 dwt. / 4.0 gr
Category

20th Century Chain Necklaces

Materials

Diamond, White Gold

14 Karat Diamond Pendant Cable Wire Necklace
Located in Washington Depot, CT
diamond weight: .50 ct. Diamond clarity: VS2 Diamond color: K-L Size: 16 mm x 5 mm (pendant) 15.5
Category

20th Century Pendant Necklaces

Materials

Diamond, White Gold

Edwardian Emerald and Diamond Five Stone Ring
Located in London, GB
: K (50) Emeralds: 1 (0.50 carats), 2 (0.15 carats) Diamonds: Approx. 0.70 carats (0.35 carats each
Category

Antique Early 1900s Engagement Rings

Materials

Diamond, Emerald, 18k Gold

Late Edwardian Platinum and Diamond Cigar Band Ring
Located in Hummelstown, PA
. Currently a finger size 7.5 Diamonds: 2.15 total carats, VS1 - VS2 range in clarity with I-J-K range in
Category

Vintage 1910s Engagement Rings

Materials

Diamond, Platinum

Fred Yellow Gold Diamond Eternity Ring
Located in London, GB
with a total weight of approximately 2.20ct. The ring is a UK size K/ US size 5/ EU size 50 and has a
Category

21st Century and Contemporary French Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Victorian Ruby and Diamond Double Heart Ring
Located in London, GB
. Condition: Used (Very Good) Weight: 3.4 grams Size: K (50) Band Width: 3mm Face Dimensions: 15mm x 15mm Ruby
Category

Antique Late 19th Century Victorian Cluster Rings

Materials

Diamond, Ruby, Gold

Vintage Two Stone Old Cut Diamond Ring
Located in London, GB
: Used (Very Good) Weight: 2.5 grams Ring Size: K (50) Band Width: 2mm - 1mm Total Diamond Weight: Approx
Category

20th Century Fashion Rings

Materials

Diamond, Yellow Gold, Gold

Edwardian Ruby and Diamond Double Heart Ring
Located in London, GB
set bow. Condition: Used (Very Good) Weight: 4.5 grams Size: K (50) Face Dimensions: 15.5mm x 15mm
Category

Early 20th Century Edwardian Fashion Rings

Materials

Diamond, Ruby, Gold, Yellow Gold

Art Deco Emerald and Diamond Cluster Ring
Located in London, GB
under-gallery and split platinum band. Condition: Used (Very Good) Weight: 4.1 grams Ring Size: K (50
Category

Early 20th Century Cluster Rings

Materials

Diamond, Emerald, Platinum

Designer Ruby Diamond Gold Detachable Ring
Located in Napoli, Italy
white Gold GEM STONE: Ruby 0.95 carats, Diamond 0.90 total carats RING SIZE: US 5 - IT 10 - FR 50 - UK
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

14K White Gold Square Modified Diamond Ring
Located in Laguna Beach, CA
. Stamped 14k and weighs 3.6 grams. The center diamond is K to L color, Vs clarity, 1.50 carats. The side
Category

Mid-20th Century Engagement Rings

Materials

Diamond, White Gold, 14k Gold

Diamond Ring in 18 Karat Yellow Gold
Located in Bad Kissingen, DE
18 k yellow gold hallmarked with "Au750" fineness 1 diamond 0.25 ct Weight: 4,5 gram Ring size: 5
Category

21st Century and Contemporary German Solitaire Rings

Materials

Diamond, 18k Gold, Yellow Gold

14K Yellow Gold Oval Diamond Engagement Ring 0.90ct
Located in Laguna Beach, CA
sides are round brilliant cut diamonds, .50 total carats, j-k color, Si clarity. The ring measures 7.5mm
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

14 Karat White Gold and Diamond Bracelet
Located in Washington Depot, CT
weight: .50 ct. Diamond color: K-L Diamond clarity: SI1-I1 Size: 6.25 inches Weight: 4.8 dwt. / 7.5
Category

20th Century Link Bracelets

Materials

Diamond, 14k Gold, White Gold

3 Old European Cut Diamond Pinky Ring.
Located in Boca Raton, FL
linear fashion, symbolizing past, present, and future. The diamonds weigh approximately .50 carat total
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, 14k Gold, White Gold

1930s Gold Cocktail Ring with Three Diamonds
Located in Berlin, DE
Open work floral motif in 18 K red gold. Accented by 3 old-mine-cut diamonds weighing approximately
Category

Mid-20th Century German Cocktail Rings

Materials

Diamond, 18k Gold

Antique 18K Yellow Gold Diamond Bracelet #15828
Located in Washington Depot, CT
total diamond weight: .50 cts Diamond color: J-K Diamond clarity: SI1-I1 Size: 7.25" Width: 6mm
Category

20th Century Link Bracelets

Materials

White Diamond, Gold, 18k Gold, Yellow Gold

Antique 18K Yellow Gold Diamond Bracelet #15828
Antique 18K Yellow Gold Diamond Bracelet #15828
Free Shipping
W 0.24 in L 7.25 in
Coral Onyx Diamond Gold Link Bracelet
Located in Berlin, DE
with 38 onyx and 50 rod shaped coral. Mounted in 18 K white gold. Weight: 36,8 g. Measurements are
Category

21st Century and Contemporary Art Deco Link Bracelets

Materials

Coral, Diamond, Onyx, White Gold, 18k Gold

Chaumet Yellow Gold Diamond Class One Ring
By Chaumet
Located in London, GB
. The ring is a size UK K/EU 50/US 5 and has a width of 1cm with a gross weight of 8.40 grams. The
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Boodles Yellow Gold Diamond Full Eternity Ring
By Boodles
Located in London, GB
K - EU 50 - US 5.25, with a gross weight of 3.8 grams. The ring comes complete with a Boodles
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Antique Art Deco Platinum Diamond Engagement Ring
Located in Great Neck, NY
Color: K Center Diamond Clarity: VS2 Ring Size: 6 3/4 (sizable) This ring can be sized for a $50 fee
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

18ct White Gold Ring with 0.15ct and 0.32ct Diamonds
Located in Sydney, NSW
Baguettes: 0.15ct Diamond Round Brilliant Cut: 0.32ct Item Weight: 2.09g Ring Size: K, 50
Category

2010s Australian Contemporary More Rings

Materials

Diamond, 18k Gold, White Gold

14K Yellow Gold Diamond Wedding Ring, .85 Tdw, 6.5g
Located in Laguna Beach, CA
diamond is a .50 carat round brilliant cut, J to K color, VS2, good cut. The side diamonds are round
Category

20th Century Cocktail Rings

Materials

Diamond, Yellow Gold

Tiffany & Co. Brilliant Cut Diamond Platinum Full Eternity Ring
By Tiffany & Co.
Located in Bishop's Stortford, Hertfordshire
UK Ring Size- K EU Ring Size- 50 US Ring Size- 5 1/2 Resizing Possible- No Gemstone Quantity- 26
Category

2010s Unknown Contemporary Wedding Rings

Materials

Diamond, Platinum

14K White Gold Diamond Eternity Band .50TDW, 1.3g
Located in Laguna Beach, CA
brilliant cuts, .50 total carat weight, J to K color range, Si clarity, good cuts. The ring measures 2.5mm
Category

20th Century Band Rings

Materials

Diamond, 14k Gold, White Gold

14K Yellow Gold Ruby Diamond Necklace .50ct Ruby, .50TDW
Located in Laguna Beach, CA
weight. The ruby is a pear shape, .50 carats, nice red color, semi- opaque clarity. The side diamonds are
Category

20th Century Chain Necklaces

Materials

Diamond, Ruby, Yellow Gold

Breathtaking Green Emerald White Diamond White Gold Pendant Necklace
By Natkina
Located in Montreux, CH
Necklace White Gold 14 K (Matching Ring and Earrings Available) Size 50 Diamond 15-Round 57-0,52-4
Category

2010s Drop Necklaces

Materials

Diamond, Emerald, 14k Gold, White Gold

Victorian Rose Cut Diamond and Enamel Anchor Signet Ring
Located in London, GB
hair. Condition: Used (Very Good) Weight: 2.9 grams Ring Size: K (50) Face Dimensions: 11.5mm x 10mm
Category

Antique 19th Century Victorian Signet Rings

Materials

Diamond, Enamel

Art Deco Pearl and Diamond Three-Stone Ring
Located in London, GB
. Condition: Used (Very Good) Weight: 4.1 grams Band Width: 1.5mm Size: K (50) Pearl Dimensions: 1 (6mm) Total
Category

Early 20th Century Art Deco Three-Stone Rings

Materials

Diamond, Pearl, Platinum

Black Australian Opal Baguette Diamond Cocktail Ring
Located in LEEDERVILLE, WA
diamonds Ring Size K /UK, 50/ EU , 5,25 /US
Category

21st Century and Contemporary Australian Artist Cocktail Rings

Materials

Opal, Diamond, 18k Gold

Black Australian Opal Baguette Diamond Cocktail Ring
Black Australian Opal Baguette Diamond Cocktail Ring
Free Shipping
H 0.43 in W 0.79 in L 1.1 in
Breathtaking Green Emerald White Diamond White Gold Pendant Necklace
By Natkina
Located in Montreux, CH
Necklace White Gold 14 K (Matching Ring and Earrings Available) Size 50 Diamond 15-Round 57-0,52-4
Category

2010s Drop Necklaces

Materials

Diamond, Emerald, 14k Gold, White Gold

Boodles Brilliant Cut 6.01ct Diamond Platinum Full Eternity Ring
By Boodles
Located in Bishop's Stortford, Hertfordshire
Material(s) Platinum Gemstone Diamond UK Ring Size K EU Ring Size 50 US Ring Size 5 1/4 Resizing Possible
Category

21st Century and Contemporary Bridal Rings

Materials

Diamond, Platinum

Cartier Diamond Set 18ct Yellow Gold Maillon Ring
By Cartier
Located in Bishop's Stortford, Hertfordshire
Gold Gemstone Diamond UK Ring Size K EU Ring Size 50 US Ring Size 5 1/4 Resizing Possible No Gemstone
Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Yellow Gold

Vintage Van Cleef & Arpels Natural Diamond Platinum Band Etoile Ring 5.25 EU50
By Van Cleef & Arpels
Located in Birmingham, GB
UK K - US 5.25 - EU 50 - Resizing is possible. Please message us with any sizing requirements. We
Category

21st Century and Contemporary French Band Rings

Materials

Diamond, White Diamond, Platinum

Tiffany & Co. Setting 0.37 Carat Diamond Solitaire Ring
By Tiffany & Co.
Located in Bishop's Stortford, Hertfordshire
ACCOMPANIED BY Box and certificate UK RING SIZE K EU RING SIZE 50 US RING SIZE 5.25 BAND WIDTH 2mm TOTAL
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co Setting 0.35 Carat Diamond Solitaire Ring
By Tiffany & Co.
Located in Bishop's Stortford, Hertfordshire
ACCOMPANIED BY Box and certificate UK RING SIZE K EU RING SIZE 50 US RING SIZE 5.25 BAND WIDTH 2mm TOTAL
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

14 Karat White Gold Princess Cut Diamond Wedding Band
Located in Washington Depot, CT
total diamond weight: .50 ct. Diamond color: J-K Diamond clarity: SI1 Ring Size: 6.5 Weight: 2.0 dwt
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

Cartier 1 Diamond 18ct White Gold Love Wedding Band Ring
By Cartier
Located in Bishop's Stortford, Hertfordshire
Material(s)- 18ct White Gold Gemstone- Diamond UK Ring Size- K EU Ring Size- 50 US Ring Size- 5 1/4
Category

2010s Band Rings

Materials

Diamond, White Gold

.925 Sterling Silver 4.0 Carat, Round Diamond Open Circle Hoop Pendant Necklace
Located in New York, NY
silver, this pendant features 4ct TDW of diamonds. 50 glistening round cut diamonds line this open circle
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

  • 1
Get Updated with New Arrivals
Save "50 K Diamond", and we’ll notify you when there are new listings in this category.

50k Diamond For Sale on 1stDibs

You are likely to find exactly the 50k diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. You can easily find a 7206 antique edition and 11450 modern creations to choose from as well. You’re likely to find the perfect 50k diamond among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Creating a 50k diamond has been a part of the legacy of many jewelers, but those produced by Cartier, LB Exclusive and Van Cleef & Arpels are consistently popular. A 50k diamond can make for a versatile accessory, but a selection from our variety of 14786 diamond versions can add an especially stylish touch. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and brilliant cut cut versions available here, too. Most of our 50k diamond for sale are for women, but there are 5016 pieces available to browse for men.

How Much is a 50k Diamond?

On average, a 50k diamond at 1stDibs sells for $4,027, while they’re typically $1 on the low end and $2,000,000 for the highest priced versions of this item.