Skip to main content

Solitaire 4 Ct

18
to
112
342
191
126
98
61
29
18
11
11
8
5
2
1
4
28
164
431
10
10
33
21
6
7
6
5
7
6
4
69
35
19
18
7
386
233
7
622
4
454
237
103
189
133
539
42
94
6
28
200
65
48
42
33
to
Sort By
Victorian .35 Ct Diamond Solitaire Gent Ring
Located in Napoli, IT
A fine Victorian period Diamond solitaire ring, 1900 ca Hand crafted of 15 KT gold Traditional
Category

Antique Late 19th Century European Victorian Solitaire Rings

Materials

Diamond, 15k Gold

12.30 Ct Australian Opal Diamond Large Solitaire ring
Located in Napoli, IT
diamonds totalling approx .50 Ct (G-VVS/VS) UK size: N 3/4 US size: 7 Measures: head is 22.34 mm. x 20.40
Category

Mid-20th Century Italian Contemporary Solitaire Rings

Materials

Diamond, Opal, 18k Gold

Tiffany Harmony 0.34 ct Solitaire Diamond Ring PT950
By Tiffany & Co.
Located in Kobe, Hyogo
Item: Tiffany Harmony Solitaire Diamond Ring Stones: Diamond / 0.34ct Color: I Clarity: VS1 Polish
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

Georgian 2.0 Ct rare Pointed Diamond Solitaire Plus
Located in Napoli, IT
. – estimated on mounting) – 2 table cut diamonds totalling approx .50 Ct UK size: S 3/4 US size: 9.5 Measures
Category

Antique Mid-18th Century European Solitaire Rings

Materials

Diamond, Gold

Tiffany Harmony 0.24 ct Solitaire Diamond Ring PT950
By Tiffany & Co.
Located in Kobe, Hyogo
Item: Tiffany Harmony Solitaire Diamond Ring Stones: Diamond / 0.24ct Color: G Clarity: VS1 Polish
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

Retro 3.10 Ct Diamond Solitaire Gent Ring 18 KT
Located in Napoli, IT
A stunning Retro style Gent Diamond solitaire ring, 1940 ca Italian origin Strong character
Category

Vintage 1940s Italian Retro Solitaire Rings

Materials

Diamond, 18k Gold

Art Deco 1.45 CT Diamond Solitaire 18 Kt Ring
Located in Napoli, IT
Art Deco Diamond solitaire ring, 1935 ca Hand crafted of solid 18 KT white gold, marked Beautiful
Category

Vintage 1930s Italian Art Deco Solitaire Rings

Materials

Diamond, 18k Gold

Retro 1.50 Ct Old European Cut Diamond VVS Solitaire Ring
Located in Napoli, IT
cut diamond of 1.25 Ct (H/I/VVS – agd 7.4 mm.) UK size: N 3/4 US size: 7 Measures: head is 9 mm. In
Category

Vintage 1940s European Retro Solitaire Rings

Materials

Diamond, 18k Gold

Art Deco 3.60 Ct Old European Diamond Solitaire Platinum Ring
Located in Napoli, IT
3,60 Ct – agd 8,7 mm. (K/L-VVS2) UK size: N 1/4 US size: 6.75 Measures: head is 12 mm. in diameter
Category

Vintage 1920s European Art Deco Solitaire Rings

Materials

Diamond, Platinum

Art Deco Style 1.10 Ct Diamond Sapphire Solitaire Platinum Ring
Located in Napoli, IT
mine chunky cut Diamond of 1.10 Ct – antique old mine cut Diamonds are known for not being perfectly
Category

Vintage 1980s European Contemporary Solitaire Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified Platinum Tiffany & Co. Diamond Solitaire Ring 1.03 ct
By Tiffany & Co.
Located in Laguna Beach, CA
Ladies Tiffany & Co diamond solitaire ring with platinum settings. The inside of the ring is
Category

Mid-20th Century Solitaire Rings

Materials

Diamond, Platinum

Victorian .55 Ct Old Mine Cut Diamond Rare Solitaire Ring
Located in Napoli, IT
Gems: 1 old mine cut diamond of approx .55 Ct (G/VS) UK size: N 1/4 US size: 6.75 Measures: diameter is
Category

Antique Late 19th Century European Etruscan Revival Solitaire Rings

Materials

Diamond, 18k Gold

Art Deco .75 Ct. G VS1 Diamond Solitaire Plus Engagement Ring
Located in Napoli, IT
approx .09 Ct UK size: M 1/4 US size: 6.25 Measures: head is 7 x 8 mm. (h. x w.) Weight: 3.6 grams
Category

Vintage 1920s European Art Deco Solitaire Rings

Materials

Diamond, 18k Gold

Vintage Style 6.0 Ct. Ruby Red Fire Opal Diamond Solitaire ring
Located in Napoli, IT
, one off solitaire late Art Deco design, hand crafted of solid 18 Kt gold Centrally set with a large
Category

Antique 1880s European Contemporary Solitaire Rings

Materials

Diamond, Opal, Fire Opal, 18k Gold

Rose Gold Amethyst Ring, 2.20 Ct Gemstone Solitaire, Engagement, Purple Color
By Five Star Jewelry
Located in Austin, TX
Measurements: 8.10 x 8.10 millimeters Band Width: 1.93 millimeters Gram Weight: 4 Grams Amethyst Weight: 2.20
Category

21st Century and Contemporary American Modern Solitaire Rings

Materials

Amethyst, Gold, 14k Gold, Rose Gold

1930s Antique French 0.63 Ct Diamond and 18K White Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique French 0.63 carat diamond and 18 karat white gold solitaire ring; an
Category

Vintage 1930s Unknown Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

PHILIPPE SPENCER 1.3 Ct. Tourmaline in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE-SPENCER - 1.3 Ct. Faceted Oval Green Tourmaline wrapped in 22K Gold Bezel with Solid
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Tourmaline, Gold, 22k Gold

1.98 Ct Cushion Solitaire Tanzanite Gemstone Wedding Ring 18 Karat Rose Gold
By Spectrum Jewels
Located in IN
Shipping: 4- 5 Days Since most items are the 'made to order', please note that it may take up to 3 - 5
Category

21st Century and Contemporary Indian Modern Solitaire Rings

Materials

Tanzanite, 18k Gold, Rose Gold

0.90 Ct Solitaire Tanzanite Gemstone Engagement Ring 18 Karat Rose Gold Jewelry
By Spectrum Jewels
Located in IN
Shipping: 4- 5 Days Since most items are the 'made to order', please note that it may take up to 3 - 5
Category

21st Century and Contemporary Indian Modern Solitaire Rings

Materials

Tanzanite, 18k Gold, Rose Gold

Dazzling 18k White Gold Solitaire Ring with 0.98 ct Natural Diamonds IGI Cert
Located in רמת גן, IL
A classic solitaire ring with dazzling 0.8-carat marquise brilliant natural diamonds. It has 0.18
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Harry Winston 0.80 ct Heart shape Diamond Solitaire Ring Pt 950 US 5.75
By Harry Winston
Located in Kobe, Hyogo
Item: Authentic Harry Winston Heart Shape Diamond Solitaire Ring Stones: Diamond ( Center Stone
Category

Early 2000s American Solitaire Rings

Materials

Diamond, Platinum

Tiffany& Co. 4 Carat Emerald Cut Diamond Solitaire Engagement Platinum Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. Platinum 4.18 ct Total Weight Emerald Brilliant Cut Diamond Engagement Ring. The
Category

2010s American Modern Solitaire Rings

Materials

Diamond, Emerald, Platinum

PHILIPPE SPENCER .28 Ct. Green Tourmaline in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE-SPENCER - .28 Ct. Faceted Green Tourmaline wrapped in 22K Gold Bezel Setting, with Anvil
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Tourmaline, Gold, 22k Gold

PHILIPPE SPENCER .30 Ct. Teal Tourmaline in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE-SPENCER - .30 Ct. Faceted Teal Tourmaline wrapped in 22K Gold Bezel Setting, with Anvil
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Tourmaline, Gold, 22k Gold

PHILIPPE SPENCER 1.87 Ct. Pink Tourmaline in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE SPENCER - 1.85 Ct. Bright Pink Tourmaline wrapped in Pure 22K Gold Bezel with 20K Gold
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Tourmaline, Gold, 22k Gold

GIA Certified 2.01 Ct Diamond G Color VS2 Clarity 18k Yellow Gold Solitaire Ring
By FERRUCCI
Located in New York, NY
, Symmetry and Polishing, set in hand made in 18k Yellow gold Solitaire engagement ring, made in New York
Category

2010s American Modern Solitaire Rings

Materials

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

Orloff of Denmark, 1.38 ct Metallic Blue Zircon Solitaire Ring in 14K White Gold
Located in Hua Hin, TH
Orloff of Denmark; 14 Karat Solitaire Ring set with a sensational Natural Metallic Blue Zircon from
Category

2010s Thai Contemporary Solitaire Rings

Materials

Zircon, Blue Zircon, 14k Gold, White Gold

2.03 Carat Princess Cut Solitaire Diamond Engagement Ring 4 Prong 14k White Gold
Located in Aventura, FL
This Uniquely Designed Solitaire Engagement Ring Is Simply Beautiful Features 14 Karat White Gold
Category

21st Century and Contemporary American Modernist Solitaire Rings

Materials

Diamond, 14k Gold

PHILIPPE SPENCER 4..03 Ct. Aquamarine in 22K and 20K Gold Statement Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE SPENCER - 4.03 Ct. Extra - Fine Rectangle Cushion Cut Aquamarine wrapped in backless 22K
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Aquamarine, Gold, 22k Gold

GIA 4 Ct E Color VS Clarity Oval Brilliant Cut Diamond 18K White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
magnification. The solitaire oval-cut diamond takes center stage, commanding attention with its captivating
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, White Gold, Gold

Diamond Solitaire Gold Ring
Located in Berlin, DE
Modern design, Germany, 1960's. Central brilliant-cut diamond weighing approximately 0,48 ct. Prong
Category

Vintage 1960s Modern Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco Diamond Solitaire Platinum Ring
Located in Beverly Hills, CA
One Art Deco diamond solitaire platinum ring centering one prong set, old European cut diamond
Category

Vintage 1930s Art Deco Solitaire Rings

Materials

Diamond, Platinum

Blue Spinel Solitaire Ring in Platinum
Located in Los Angeles, CA
Beautiful 4.12 ct. blue spinel rectangular cushion. Handmade in platinum. Ring size 4.
Category

21st Century and Contemporary Solitaire Rings

Materials

Spinel, Platinum

Victorian Solitaire Rose Cut Diamond Ring
Located in Napoli, IT
: 1 rose cut diamond of 9 mm. in diameter (2.20 Ct by spread G/SI) UK size: N 3/4 US size: 7 Measures
Category

Antique Late 19th Century European Victorian Solitaire Rings

Materials

Diamond, 18k Gold

1920s Diamond Two-Color Gold Solitaire Ring
Located in Berlin, DE
Germany, 1920's. Set with brilliant-cut solitaire diamond weighing circa 1,06 ct., clarity P1-2. On
Category

Early 20th Century German Solitaire Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

1.78 Carat Diamond and Platinum Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.78 carat diamond and platinum solitaire ring; part of our diverse
Category

Vintage 1910s Unknown Solitaire Rings

Materials

Diamond, Platinum

Antique Diamond and White Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
; part of our diamond jewelry/estate jewelry collections. This impressive diamond solitaire ring has
Category

Vintage 1910s Unknown Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Handcrafted Diamond Solitaire Ring, 18K Yellow Gold
Located in London, GB
Art Deco inspired diamond solitaire ring. A continuous flowing line of gold wraps around a a white
Category

2010s European Art Deco Solitaire Rings

Materials

Diamond, Yellow Gold

Platinum Diamond Ring 0.50 ct, 3.8g
Located in Laguna Beach, CA
brilliant cuts, h, i, j color range, Vs clarity, .50 total carats. Ring size is 6 3/4 and can be sized, up
Category

Mid-20th Century Solitaire Rings

Materials

Diamond, Platinum

1.22 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive contemporary 1.22 carat princess cut diamond and platinum solitaire ring; part of our
Category

Early 2000s English Contemporary Solitaire Rings

Materials

Diamond, Platinum

18k Yellow Gold Pink Sapphire Solitaire Ring
By VR Jewels
Located in Houston, TX
Weight - 0.6 ct > Gemstone pcs - 1 > Gemstone shape - Uneven > Gemstone size - 6 x 4 mm > Gross Weight
Category

21st Century and Contemporary American Modern Solitaire Rings

Materials

Pink Sapphire, Yellow Gold, 18k Gold, Gold

2.33 Carat Oval Yellow Diamond Solitaire Ring
Located in Zurich, Zollstrasse
meticulously designed and crafted with a 4-prong setting holding the oval yellowish diamond f 2.33 ct. The
Category

2010s Swiss Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, Yellow Gold

Diamond, 18 Karat White Gold Solitaire/ Engagement Ring
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS. Simple and elegant solitaire/engagement ring realized in 18K
Category

Early 2000s Modern Solitaire Rings

Materials

White Diamond, 18k Gold, White Gold

GIA Certified Platinum Diamond Ring 1.51 ct
Located in Laguna Beach, CA
Platinum and diamond solitaire ring. Tests platinum and weighs 4.9 grams gross weight. The diamond
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Platinum

Antique 1.12 Carat Opal and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine, and impressive opal and 18 karat yellow gold solitaire ring; part of our diverse
Category

Antique 1890s Unknown Solitaire Rings

Materials

Opal, Yellow Gold

Antique Diamond and Yellow Gold Solitaire Ring Circa 1920
Located in Jesmond, Newcastle Upon Tyne
solitaire ring; part of our diverse jewelry and estate jewelry collections. This fine and impressive
Category

Vintage 1920s French Solitaire Rings

Materials

Diamond, Yellow Gold

Estate De Beers White Diamond Round Solitaire Ring in Platinum
By De Beers
Located in Los Angeles, CA
Beautiful 0.30 ct. De Beers white diamond round solitaire ring. Handmade in platinum. Ring size 4.
Category

21st Century and Contemporary Solitaire Rings

Materials

White Diamond, Platinum

Vintage 1.12 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
gold set solitaire ring; part of our diverse jewellery and estate jewelry collections. This stunning
Category

Vintage 1980s Unknown Solitaire Rings

Materials

Diamond, White Gold, Yellow Gold

Octagon Shape Aquamarine Solitaire Ring in 18K Yellow Gold
By VR Jewels
Located in Houston, TX
> Gemstone Weight - 4 ct > Gemstone pcs - 1 > Gemstone shape - Octagon > Gemstone size - 10 x 11 mm > Gross
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Aquamarine, 18k Gold, Yellow Gold, Gold

Antique 1.24 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.24 carat diamond and platinum solitaire engagement ring; part of
Category

20th Century Unknown Solitaire Rings

Materials

Diamond, Platinum

Antique 19th Century Rose Cut Diamond Solitaire Ring 18KT/Silver
Located in Napoli, IT
Hallmarks: none/worn Gems: 1oval rose cut diamond 1.80 Ct. by spread (8,01 x 7.08 mm.) H/SI UK size: N 1/4
Category

Antique 1830s European Early Victorian Solitaire Rings

Materials

Diamond, 18k Gold, Silver

Ladies 14K Yellow Gold Solitaire Round Semi Mount Engagement Ring
Located in Houston, TX
Gender: Ladies Metal Type: 14K Yellow Gold Size: 4 Shank Maximum Width: 1.90 mm Weight: 2.64
Category

21st Century and Contemporary Unknown Solitaire Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Handcrafted, Diamond Solitaire Engagement Ring and Wedding Band, 18K Gold
Located in London, GB
(0.3 Ct) • Ring bands, 2.2mm thickness MADE TO ORDER Allow up to 4-6 weeks for delivery, for faster
Category

2010s European Art Deco Solitaire Rings

Materials

Diamond, 18k Gold

Beauvince Genelia Yellow Diamond Solitaire Cocktail Ring in Gold
By Beauvince Jewelry
Located in New York, NY
Weight: 1.29 ct Diamond Color: Fancy Yellow Diamond Clarity: SI (Slightly Included) Side Diamonds Shape
Category

2010s Contemporary Solitaire Rings

Materials

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

Vintage French 1.38 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
solitaire ring; part of our diverse collection of vintage jewellery and estate jewelry This stunning, fine
Category

Vintage 1960s Unknown Solitaire Rings

Materials

Diamond, Yellow Gold

Dazzling Platinum Ring with 0.52 ct Natural Diamond
Located in רמת גן, IL
total carat weight: 0.52 jewelry weight: 4 g size: EU50 / 11HK *size is adjustable for up to 3 sizes
Category

2010s Singaporean Solitaire Rings

Materials

Diamond, Platinum

Amethyst and Diamond 14 Karat Yellow Gold Ring, Solitaire Prong Setting
Located in Milford, DE
size: 8.8 x 6.7 mm Diamond (4) total carat weight approx .16 ct
Category

Late 20th Century Solitaire Rings

Materials

Amethyst, Diamond, 14k Gold

Oval Cut Natural Aquamarine Solitaire Ring in 14K Yellow Gold
By VR Jewels
Located in Houston, TX
- Aquamarine > Gemstone Weight - 0.44 ct > Gemstone pcs - 1 > Gemstone shape - Oval > Gemstone size - 6 x 4
Category

21st Century and Contemporary American Modernist Solitaire Rings

Materials

Aquamarine, 14k Gold, Yellow Gold, Gold

Amethyst and Diamond 10 Karat Yellow Gold Ring, Solitaire Prong Setting
Located in Milford, DE
/4 Hallmarks: 10K Amethyst size: 8 x 6 mm Diamond (12) total carat weight approx .23 ct
Category

Late 20th Century Solitaire Rings

Materials

Amethyst, Diamond, 10k Gold

Estate 1.21 Ct Emerald Cut Diamond G VVS1 Diamond Ring
Located in Napoli, IT
/VVS1) – 2 tapered baguette cut diamonds totalling approx .20 Ct (G/VVS) UK size: N 1/4 US size: 6.75
Category

Late 20th Century European Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

  • 1
Get Updated with New Arrivals
Save "Solitaire 4 Ct", and we’ll notify you when there are new listings in this category.

Solitaire 4 Ct For Sale on 1stDibs

On 1stDibs, you can find the most appropriate solitaire 4 ct for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and Yellow Gold. Find an antique version now, or shop for 748 vintage or 1256 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect solitaire 4 ct 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. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. There have been many well-made iterations of the classic solitaire 4 ct over the years, but those made by Tiffany & Co., House of R&D and Gems and Jewels UK are often thought to be among the most beautiful. A solitaire 4 ct of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 1342, is particularly popular. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and cushion cut cut versions available here, too. If you’re browsing our inventory for a solitaire 4 ct, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Solitaire 4 Ct?

Prices for a solitaire 4 ct can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $50 and can go as high as $475,000, while this accessory, on average, fetches $3,016.