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1 Carat Diamond Loose Round

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Dazzling 1 Pc Natural Diamond with 0.50 Carat Round, D IF IGI Certificate
Located in רמת גן, IL
One shiny and sparkling round brilliant cut natural diamond in a 0.5 carat D IF with excellent cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1pc Natural Diamond w/ 1 Carat Round Brilliant D IF GIA Certificate
Located in רמת גן, IL
One dazzling round brilliant cut natural diamond in a 1 carat D IF EX cut, polish, and very good
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Carat Faint Pinkish Brown Round Cut Diamond SI2 Clarity GIA Certified
Located in Kowloon, HK
*100% NATURAL FANCY COLOUR DIAMOND* ✪ Diamond Details ✪ ➛ Shape: Round ➛ Colour Grade: Faint
Category

2010s Asian Loose Gemstones

Materials

Diamond, Brown Diamond

GIA Certified 1 Carat Purplish Pink Diamond Earth Mined Brilliant Round 6.5mm
Located in Columbus, OH
: Brilliant Clarity: VS2 Carat Weight: 1.00 carat Shape: Round Size: 6.5mm (depth is 3.81mm) Hardness: 10
Category

2010s American Modernist Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 1 Carat Purplish Pink Diamond Earth Mined Brilliant Round 6.5mm
Located in Columbus, OH
: Round Size: 6.54 - 6.59 x 3.87 mm Hardness: 10 Number of Pieces: 1 Sku: AK21159/36615
Category

2010s American Modernist Loose Gemstones

Materials

Pink Diamond

1 Pc Natural Diamond, 0.29 Ct, Round, H, VVS2, GIA Certificate
Located in רמת גן, IL
Natural Round Brilliant diamond in a 0.29 carat H VVS2 with Beautiful cut and shine. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 1.00 Ct, Round, G, VS1, GIA Certificate
Located in רמת גן, IL
Natural Round Brilliant diamond in a 1.00 carat G VS1 with Beautiful cut and shine. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pcs Natural Diamond, 0.50 Ct, Round, F, SI1, GIA Certificate
Located in רמת גן, IL
Natural round diamond with a 0.50 carat F SI1 graded by GIA Laboratory with a beautiful cut and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

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

1 Pcs Natural Diamond, 1.31 Ct, Round, F, VVS2, GIA Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 1.31 carat F VVS2 graded by GIA Laboratory with beautiful cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc Natural Diamond - 0.41 ct - Round - I - SI2- GIA Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 0.41 carat I SI2 graded by GIA Laboratory with Excellent cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 1.06 Ct, Round, E, Vvs1, Gia Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 1.06 carat E VVS1 graded by GIA Laboratory with Excellent cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 0.52 Ct, Round, E, VS2, GIA Certificate
Located in רמת גן, IL
Natural diamond in a 0.52 carat E VS2 Ideal cut Round with GIA Certificate and laser inscription
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 1.00 Ct, Round, F, VS1, GIA Certificate
Located in רמת גן, IL
Ideal and natural round brilliant diamond in a 1.00 carat F VS1 graded by GIA Laboratory with
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamonds, 0.33 Ct, Round, F, SI, IGI Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 0.33 carat F SI1 graded by IGI Laboratory with beautiful cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 1 pc Ideal Cut Round Diamond w/0.57 ct - GIA Certified
Located in רמת גן, IL
, affirming its quality and authenticity. Stone: 1 pc of Diamond Stone carat weight: 0.57 ct Shape: Round
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc Natural Diamond - 0.70 ct - Round - I - SI2- IGI Certificate
Located in רמת גן, IL
0.70 carat k si3 Ideal cut round brilliant with hrd certificate and laser inscription number. IGI
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc Natural Diamond - 0.40 ct - Round - E - SI1- IGI Certificate
Located in רמת גן, IL
0.40 carat E SI1 Ideal cut round brilliant with IGI certificate and laser inscription number
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA Certified Natural Black Diamond 1 Carat Ring in 18K Black Gold Round Cut
Located in Darmstadt, DE
GIA Certified Natural Black Diamond 1 Carat Ring in 18K Black Gold Round Cut Black is Beautiful
Category

2010s German Modern Loose Gemstones

Materials

Black Diamond, Gold, 18k Gold

Dazzling 1 Pc Natural Diamond with 0.50ct Round F VS1 GIA Certificate
Located in רמת גן, IL
1 Sparkling natural round brilliant cut diamond in a 0.5 carat F VS1 excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparkling 1 pc Natural Diamond 1.0 ct Round G VVS2 GIA Certificate
Located in רמת גן, IL
Sparkling natural cut round brilliant diamond in a 1 carat G VVS2 very good cut. This diamond comes
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc Natural Diamonds - 1.15 ct - Round Brilliant I VVS2 GIA Certificate
Located in רמת גן, IL
Natural cut Round Brilliant diamond in a 1.15 carat I VVS2 with beutiful cut and extremely shine
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1 pc Natural Diamond 1.03 ct Round I VVS1 GIA Certificate
Located in רמת גן, IL
Sparkling natural cut round brilliant diamond in a 1.03 carat I VVS1 WITH excellent IDEAL cut. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc Natural Diamond - 0.59 ct - Round, Brilliant - I - VVS1- GIA Certificate
Located in רמת גן, IL
0.59 carat I VVS1 Ideal cut Round Natural Diamond with GIA Certificate and laser inscription number
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 0.51 Ct, Round, Brilliant, E, VS2, GIA Certificate
Located in רמת גן, IL
Natural diamond in a 0.51 carat E VS2 Ideal cut Round with GIA Certificate and laser inscription
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Pc Natural Diamond, 0.21 Ct, Round, D 'Colourless', SI1, GIA Certificate
Located in רמת גן, IL
Beautiful and shiny Ideal Cut Diamond in a 0.21 carat weight with GIA Certificate and laser
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 1 Pc Natural Diamond with 2.34 Ct Round F VS1 GIA Certificate
Located in רמת גן, IL
1 Sparkling natural Round Brilliant cut diamond in a 2.34 carat F VS1 Excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1 pc Natural Diamond with 0.54 ct Round D VVS1 GIA Certificate
Located in רמת גן, IL
1 sparkling natural round brilliant cut diamond in a 0.54 carat D VVS1 excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparkling 1 pc Natural Diamond with 0.51 ct Round F SI1 GIA Certificate
Located in רמת גן, IL
Sparkling natural cut round brilliant diamond in a 0.51 carat F SI1 very good cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1 pc Natural Diamond with 1.05 ct Round D IF GIA Certificate
Located in רמת גן, IL
Sparkling natural cut round brilliant diamond in a 1.05 carat D IF excellent ideal cut. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparkling 1 Pc Natural Diamonds with 0.85 Ct Round H VVS2 GIA Certificate
Located in רמת גן, IL
Stunning Ideal Cut Round Brilliant Diamond in a 0.85 carat H VVS2 Extremely shine and sparkle. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparkling 1 pc Natural Diamond 1.11 ct Round J VS Certified
Located in Delhi, DL
Sparkling natural cut round brilliant diamond in a 1.11 carat J VS very good cut. This diamond
Category

2010s Indian Loose Gemstones

Materials

Diamond

Natural Round Brilliant Diamond in a 1.00 Carat G VS2, EGL Certificate
Located in רמת גן, IL
Natural Round Brilliant diamond in a 1.00 carat G VS2 with excellent cut and extremely shine
Category

2010s Israeli Loose Gemstones

Materials

Diamond

2.02 Carat Round Cut Diamond VVS1 Clarity GIA Certified
Located in Kowloon, HK
*100% NATURAL FANCY COLOUR DIAMOND* ✪ Diamond Details ✪ ➛ Shape: Round ➛ Colour Grade: E ➛ Carat
Category

2010s Asian Loose Gemstones

Materials

White Diamond, Diamond

2.02 Carat Round Cut Diamond VVS1 Clarity GIA Certified
2.02 Carat Round Cut Diamond VVS1 Clarity GIA Certified
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H 0.2 in W 0.33 in L 0.33 in
Sparking 1 Pc Natural Diamond 2.34 Ct Round E VVS2 IGI Certificate
Located in רמת גן, IL
1 sparkling natural round brilliant cut diamond in a 2.34 carat E VVS2 with excellent cut. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1 pc Natural Diamond with 0.90 Ct Round G VVS1 IGI Certificate
Located in רמת גן, IL
1 sparkling natural round brilliant cut diamond in a 0.9 carat G VVS1 with a very good cut. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparking 1 pc Natural Diamond with 0.90 ct Round I VVS1 GIA Certificate
Located in רמת גן, IL
1 Sparkling natural round brilliant cut diamond in a 0.9 carat I VVS1 with very good cut. This
Category

2010s Asian Loose Gemstones

Materials

Diamond

0.18 Carat Fancy Light Pinkish Purple Round Cut Diamond GIA Certified
Located in Kowloon, HK
*100% NATURAL FANCY COLOUR DIAMOND* ✪ Diamond Details ✪ ➛ Shape: Round ➛ Colour Grade: Fancy
Category

2010s Asian Loose Gemstones

Materials

Pink Diamond, Diamond

Sparking 1 Pc Flawless Natural Diamond with 1.04 Ct Round D IF IGI Certificate
Located in רמת גן, IL
1 sparkling natural round brilliant diamond in a 1.04 carat D IF with excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sparking 1 Pc Flawless Natural Diamond with 0.52 Ct Round D IF IGI Certificate
Located in רמת גן, IL
1 sparkling flawless natural round brilliant diamond in a 0.52 carat D IF with excellent cut. It
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1.00 Carat Very Light Pink Round cut diamond SI2 Clarity GIA Certified
Located in Kowloon, HK
Pink ➛ Carat: 1.00 ➛ Clarity: SI2 ➛ GIA Certified ^FEATURES OF THE DIAMOND^ This 1-carat diamond
Category

2010s Asian Loose Gemstones

Materials

Diamond, Pink Diamond

1.00 Carat Very Light Pink Round Cut Diamond SI1 Clarity GIA Certified
Located in Kowloon, HK
Pink ➛ Carat: 1.00 ➛ Clarity: SI1 ➛ GIA Certified ^FEATURES OF THE DIAMOND^ This 1-carat round cut
Category

2010s Asian Loose Gemstones

Materials

Pink Diamond, Diamond

Luminous 1.02ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
's authenticity and exceptional quality. Stone: 1 pc of Diamond Stone carat weight: 1.02ct Shape: Round Color
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Precious 1.12ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
1.12-carat round diamond. This diamond is a brilliant choice for those seeking superior craftsmanship
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA Certified 1.07 Carat Deep Pink Diamond Earth Mined Brilliant Round 6.5x4mm
Located in Columbus, OH
) Treatment: HPHT Color: Fancy Deep Pink Cut: Brilliant Clarity: SI1 Carat Weight: 1.07ct Shape: Round Size
Category

2010s American Modernist Loose Gemstones

Materials

Diamond, Pink Diamond

Shiny 0.40ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
jewelry. Stone: 1 pc of Diamond Stone carat weight: 0.40ct Shape: Round Color grade: F Clarity grade
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Bright 1.09ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
1.09-carat round brilliant diamond. Certified by GIA, guaranteeing the excellent quality and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 3.11ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
characteristics. Stone: 1 pc of Diamond Stone carat weight: 3.11ct Shape: Round Color grade: D Clarity grade
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 0.51ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
Exquisite 0.51ct Ideal Cut Round Diamond - GIA Certified This exquisite 0.51-carat round diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Classic 0.55ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
authenticated quality and value. Stone: 1 pc of Diamond Stone carat weight: 0.55ct Shape: Round Color grade: G
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 0.40ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
-carat round brilliant diamond. It is certified by the GIA, ensuring its qualities are both authenticated
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Precious 2.02ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
investment piece. Stone: 1 pc of Diamond Stone carat weight: 2.02ct Shape: Round Color grade: D Clarity
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 1.20ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
. Stone: 1 pc of Diamond Stone carat weight: 1.20ct Shape: Round Color grade: D Clarity grade: IF
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Pristine 4.51ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
: 1 pc of Diamond Stone carat weight: 4.51ct Shape: Round Color grade: E Clarity grade: VVS1 Cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 1.50ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
striking 1.50-carat round diamond. Certified by GIA, this diamond guarantees authenticity and exceptional
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 0.50ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
Dazzling 0.50ct Ideal Cut Round Diamond - GIA Certified This magnificent 0.50-carat round
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Luminous 0.53ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
0.53-carat round brilliant diamond, expertly cut to excellent standards to enhance its luster and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Mesmerizing 0.41ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
Mesmerizing 0.41ct Ideal Cut Round Diamond - GIA Certified This masterfully crafted 0.41-carat
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 3.02ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
perfection with this exquisite 3.02-carat round diamond, distinguished by its luminous color grade and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 1.03ct Ideal Cut Round Diamond - IGI Certified
Located in רמת גן, IL
sparkle. Stone: 1 pc of Diamond Stone carat weight: 1.03ct Shape: Round Color grade: D Clarity grade
Category

2010s Israeli Loose Gemstones

Materials

Diamond

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1 Carat Diamond Loose Round For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 1 carat diamond loose round for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold and Yellow Gold — can elevate any look. You can easily find a 20 antique edition and 47 modern creations to choose from as well. Finding the perfect 1 carat diamond loose round may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing 1 carat diamond loose round — no matter the origin — is easy, but TJD, J. Birnbach and Fine Jewels UK each produced a popular version that is worth a look. 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 alternatives. If you’re browsing our inventory for a 1 carat diamond loose round, 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 1 Carat Diamond Loose Round?

On average, a 1 carat diamond loose round at 1stDibs sells for $2,799, while they’re typically $492 on the low end and $425,000 for the highest priced versions of this item.