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2.75 Carat Natural Aquamarine Loose Stone
Located in London, GB
2.75 Carat Natural Aquamarine Loose Stone GRS/GCS/GIA appointed lab certificate can be arranged
Category

2010s Loose Gemstones

Materials

Aquamarine

2.59 Carat Natural Aquamarine Loose Stone
Located in London, GB
2.59 Carat Natural Aquamarine Loose Stone Appointed lab certificate can be arranged upon request
Category

2010s Loose Gemstones

Materials

Aquamarine

4.75 Carat Natural Aquamarine Loose Stone
Located in London, GB
4.75 Carat Natural Aquamarine Loose Stone Appointed lab certificate can be arranged upon request
Category

2010s Loose Gemstones

Materials

Aquamarine

GIA Certified Diamond 1.00 Carat F/VVS1 Solitaire Ring in 4 Prong Setting
Located in Darmstadt, DE
GIA Certified Diamond 1.00 Carat F/VVS1 Solitaire Ring in 4 Prong Setting. High Gloss Finish
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Gold, 18k Gold

GIA Certified Diamond 0.70 Carat F/VVS1 Solitaire Ring in 4 Prong Setting
Located in Darmstadt, DE
GIA Certified Diamond 0.70 Carat F/VVS1 Solitaire Ring in 4 Prong Setting. High Gloss Finish
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Gold, 18k Gold

GIA Certified Natural Black Diamond 4 Carat Ring in 18K Black Gold Emerald Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond 4 Carat Ring in 18K Black Gold Emerald Cut Black is Beautiful
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Black Diamond, Gold, 18k Gold

GIA Certified Natural Black Diamond 4 Carat Ring in 18K Black Gold Round Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond 4 Carat Ring in 18K Black Gold Round Cut Black is Beautiful
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Gold, 18k Gold

GIA Certified Natural Black Diamond Studs in 18K Black Gold, 4 Carat Emerald Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond Studs in 18K Black Gold, 4 Carat Emerald Cut Black is
Category

2010s German Modern Loose Gemstones

Materials

Black Diamond, Gold, 18k Gold

GIA Certified Natural Black Diamond Studs in 18K Black Gold 4 Carat Round Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond Studs in 18K Black Gold 4 Carat Round Cut Black is Beautiful
Category

2010s German Modern Loose Gemstones

Materials

Black Diamond, Gold, 18k Gold

2.04 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
2.04 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

3.24 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
3.24 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

3.78 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
3.78 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

6.63 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
6.63 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

3.27 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
3.27 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

7.79 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
7.79 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

1.99 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
1.99 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

1.85 Carat Natural Santa Maria Color Aquamarine Loose Stone
Located in London, GB
1.85 Carat Natural Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

1.76 Carat Natural Super Santa Maria Color Aquamarine Loose Stone
Located in London, GB
1.76 Carat Natural Super Santa Maria Color Aquamarine Loose Stone Appointed lab certificate can be
Category

2010s Loose Gemstones

Materials

Aquamarine

GRS Certified 3.03 Carat Natural Unheated Mozambique Ruby Loose Stone
Located in London, GB
GRS Certified 3.03 Carat Natural Unheated Mozambique Ruby Loose Stone This Item is ideal for your
Category

2010s Mozambican Loose Gemstones

Materials

Ruby

230.25 Carat Carbonado Black Diamond
Located in New York, NY
This huge 230.25 carat completely natural and lustrous black diamond is the most unique treasure
Category

2010s Canadian Loose Gemstones

Materials

Black Diamond

230.25 Carat Carbonado Black Diamond
230.25 Carat Carbonado Black Diamond
H 0.02 in W 0.02 in D 0.01 in
3.09 Carat Royal Blue Natural Sapphire Loose Stone Octagon(Customization Option)
Located in London, GB
3.09 Carat heated royal blue natural sapphire loose stone octagon (customization option available
Category

2010s Loose Gemstones

Materials

Blue Sapphire

3.06 Carat Royal Blue Natural Sapphire Loose Stone Cushion(Customization Option)
Located in London, GB
3.06 Carat heated royal blue natural sapphire loose stone cushion (customization option available
Category

2010s Loose Gemstones

Materials

Blue Sapphire

Gubelin Certified 2.01 Carat Unheated Natural Mogok Burma Ruby Loose Stone
Located in London, GB
Gubelin Certified 2.01 Carat Unheated Natural Mogok Burma Ruby Loose Stone Come with a Gubelin
Category

2010s Mozambican Loose Gemstones

Materials

Ruby

6 Carat Super Santa Maria Colour Aquamarine Loose Stone (Customization Option)
Located in London, GB
6 Carat super Santa Maria colour aquamarine loose stone(customization option available) Drenched
Category

2010s Loose Gemstones

Materials

Aquamarine

GRS Certified 3.01 Carat Natural Unheated Ruby Loose Stone in Pigeon Blood
Located in London, GB
GRS Certified 3.01 Carat Natural Unheated Madagascar Ruby Loose Stone in Pigeon Blood This Item
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

Shiny 0.92 carat natural cut round brilliant diamond
Located in רמת גן, IL
One shiny natural cut round brilliant diamond in a 0.92 carat D IF 3EX cut, polish and symmetry
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Parallelogram Cut Diamond 0.60 G/IF Solitaire Ring 750 Gold in 4 Prong Setting
Located in Darmstadt, DE
, Solitaire Diamond Ring in 18k Whitegold. Four Prong Setting. High Mounted Diamond. Size 54. 4 C`s: Carat
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Gold, 18k Gold

GIA Certified Diamond 0.50 I/VS2 Solitaire Ring 750 Gold in 4 Prong Setting
Located in Darmstadt, DE
GIA Certified Diamond 0.50 I/VS2 Solitaire Ring 750 Gold in 4 Prong Setting Fine Brilliant Cut
Category

2010s German Modern Loose Gemstones

Materials

Diamond, Gold, 18k Gold

GIA Certified 2.01 Carat Pear Shape Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 2.01 Carat Pear Brilliant Natural Diamond Loose stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.51 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.51 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.30 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.30 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.70 Carat Pear Shape Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.70 Carat Pear Brilliant Natural Diamond Loose stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.78 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.78 Carat Round Brilliant Diamond Loose Stone (Customization Option) Color: J
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 3.24 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 3.24 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.06 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.06 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.57 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.57 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.01 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.01 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 2.84 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 2.84 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.71 Carat Round Brilliant Natural Diamond (Engagement Rings)
Located in London, GB
GIA Certified 1.71 Carat Round Brilliant Natural Diamond Loose Stone (Customization Option) Color
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified Natural Black Diamond Studs in 18K Black Gold, 8 Carat Emerald Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond Studs in 18K Black Gold, 8 Carat Emerald Cut Black is
Category

2010s German Modern Loose Gemstones

Materials

Black Diamond, Gold, 18k Gold

GIA Certified 3.58 Carat Old Cut Natural Diamonds (Customization Option)
Located in London, GB
GIA Certified 1.79+1.79 Carat Old Cut Natural Diamonds (Customization Option Available) I. Old
Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified Natural Black Diamond Studs in 18K Black Gold 8 Carat Round Cut
Located in Darmstadt, DE
Finish. Diamond Measurements: Approximately 10.5x10.5x7mm. 5 C`s: Certificate: GIA Carat: 2x 4 Carat
Category

2010s German Modern Loose Gemstones

Materials

Black Diamond, Gold, 18k Gold

Harakh AGS Certified 2.02 Ct Natural Pigeon Blood Ruby Loose Stone Custom made
By Harakh
Located in New York, NY
carats, brilliant cut, non-treated, no heat AGS certified ruby. Measuring 8.22 x 6.46 x 4.32 mm, this
Category

2010s Mozambican Modern Loose Gemstones

Materials

Diamond, Ruby

Harakh Made-to-Order Handcrafted Engagement Ring with GIA 1.60 Carat Diamond
By Harakh
Located in New York, NY
winning jeweler Harakh Mehta. Using this exceptional colorless diamond – certified as F color, VVS2
Category

2010s Indian Modern Loose Gemstones

Materials

Diamond

Harakh 1.04 Ct AGS Certified Natural Pigeon Blood Ruby Loose Stone Custom Made
By Harakh
Located in New York, NY
jeweler Harakh Mehta. Presenting this gorgeous AGS Certified ‘Pigeon Blood’ 1.04-carat faceted no heat
Category

2010s Modern Loose Gemstones

Materials

Ruby

5.05 Carat Teal Greenish Blue Sapphire
By Emeralds Maravellous
Located in US
Stunning Natural Heated Teal Greenish Blue Sapphire Carat: 5.05 carats Shape: Oval Measurement
Category

21st Century and Contemporary Unknown Artisan Loose Gemstones

Materials

Green Sapphire, Blue Sapphire

1 pc Natural Diamond - 0.29 ct - Round - F - SI2- GIA Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 0.29 carat F SI2 graded by GIA Laboratory with Excellent cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Rare 2.92 Carat Radiant-Shaped Teal Natural Sapphire GIA Unheated
Located in San Francisco, CA
A rare 2.92-carat Radiant Natural Greenish Blue Unheated Sapphire GIA Certificate 1206137505 was
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Green Sapphire

1.75ct Round Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
. Colour: Blue Hue: Blue Tone: 4 Medium Light Saturation: 4 Moderately Strong Species: Zircon Variety
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

1.75ct Round Diamond Cut Blue Zircon from Cambodia
1.75ct Round Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.27 in D 0.18 in L 0.27 in
1.55ct Pear Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
: Blue Tone: 5 Medium Saturation: 4 Moderately Strong Species: Zircon Variety: Treatment: Heat Origin
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

1.55ct Pear Diamond Cut Blue Zircon from Cambodia
1.55ct Pear Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.32 in D 0.18 in L 0.24 in
2.58ct Oval Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
: Blue Tone: 5 Medium Saturation: 4 Moderately Strong Species: Zircon Variety: Treatment: Heat Origin
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

2.58ct Oval Diamond Cut Blue Zircon from Cambodia
2.58ct Oval Diamond Cut Blue Zircon from Cambodia
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W 0.37 in D 0.18 in L 0.27 in
3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
inclusions visible under 10x magnification. Colour: Blue Hue: Blue Tone: 4 Medium Light Saturation: 5 Strong
Category

2010s Cambodian Loose Gemstones

Materials

Zircon

3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.36 in D 0.18 in L 0.25 in
4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
inclusions visible under 10x magnification. Colour: Blue Hue: Blue Tone: 4 Medium Light Saturation: 4
Category

2010s Cambodian Loose Gemstones

Materials

Zircon, Blue Zircon

4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.33 in D 0.19 in L 0.24 in
2.04ct Square Cushion Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
Hue: Blue Tone: 5 Medium Saturation: 4 Moderately Strong Species: Zircon Variety: Treatment: Heat
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

2.04ct Square Cushion Diamond Cut Blue Zircon from Cambodia
2.04ct Square Cushion Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.28 in D 0.18 in L 0.28 in
3.88ct Pair Square Cushion Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
visible under 10x magnification. Colour: Blue Hue: Blue Tone: 4 Medium Light Saturation: 5 Strong Species
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

GRS Certified Pigeon Blood 3.02 Carat Natural Unheated Mozambique Ruby
Located in London, GB
proud member of the London Diamond Bourse, dedicated to ethical diamond and gemstone trading. LOOSE
Category

2010s Mozambican Loose Gemstones

Materials

Ruby

GRS Certified Pigeon Blood 2.32 Carat Natural Unheated Mozambique Ruby
Located in London, GB
. LOOSE STONE TRADING We are a diamond and gemstone wholesaler that only deals with natural gemstones
Category

2010s Mozambican Loose Gemstones

Materials

Ruby

Harakh AGS Certified 2.13 Carat Natural Pigeon Blood Ruby Custom Made
By Harakh
Located in New York, NY
jeweler Harakh Mehta. Presenting this stunning and rare AGS Certified vivid red ‘Pigeon Blood’ 2.13 carats
Category

2010s Mozambican Modern Loose Gemstones

Materials

Ruby

Certified Intense / Vivid Green Emerald 1.01ct - Minor Oil
Located in Antwerpen, BE
The stone is well cut with all the 4 corners angled correctly and proportionally, and it has a very
Category

21st Century and Contemporary Brazilian Loose Gemstones

Materials

Emerald

Certified Intense / Vivid Green Emerald 1.01ct - Minor Oil
Certified Intense / Vivid Green Emerald 1.01ct - Minor Oil
Free Shipping
W 0.29 in D 0.15 in L 0.22 in
Certified Intense / Vivid Green Emerald
Located in Antwerpen, BE
#: 13656434 Laboratory: ALGT No / Insignificant fracture filling. The stone is well cut with all the 4
Category

21st Century and Contemporary Brazilian Loose Gemstones

Materials

Emerald

Certified Intense / Vivid Green Emerald
Certified Intense / Vivid Green Emerald
Free Shipping
W 0.28 in D 0.16 in L 0.25 in
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4 Carat Loose Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 4 carat loose diamond for your needs in our varied inventory. Frequently made of Gold, 18k Gold and Platinum, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect 4 carat loose 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. There have been many well-made iterations of the classic 4 carat loose diamond over the years, but those made by TJD, Antinori Fine Jewels and Harakh are often thought to be among the most beautiful. 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 emerald cut alternatives. There aren’t many items for men if you’re seeking a 4 carat loose diamond, as most of the options available are for women and unisex.

How Much is a 4 Carat Loose Diamond?

On average, a 4 carat loose diamond at 1stDibs sells for $4,444, while they’re typically $31 on the low end and $1,800,000 for the highest priced versions of this item.
Questions About 4 Carat Loose Diamond
  • 1stDibs ExpertSeptember 28, 2021
    A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.