Skip to main content

1 Carat Loose Gemstones

to
143
905
473
330
202
145
404
299
268
179
176
1,887
14
16
1,857
1
2
1,090
796
1
9
6
5
4
1
1,048
212
37
19
9
2
1
1
22
21
16
10
9
Carat Weight: 1 Carat
1.01 Ct Emerald Round Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

Sparkling 1.40ct Ideal Cut Square-Shaped Diamond - GIA Certified
Located in רמת גן, IL
Sparkling 1.40ct Ideal Cut Square-Shaped Diamond - GIA Certified Experience the epitome of diamond perfection with this 1.40-carat square diamond solitaire, renowned for its unmatch...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.00 Carat Fancy Light Yellow VS1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 5426896097 Shape And Cut: Heart Carat Weight: 1.00 carat Measurements: 5.54 x 6.28 x 3.50 Color Grade: Fancy Light Yellow FEATURES OF THE DIAMOND: T...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond, Yellow Diamond

1.17 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
An exquisite red color birthstone for July, believed to convey a status of power & wealth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose ...
Category

2010s Malagasy 1 Carat Loose Gemstones

Materials

Ruby

1.29 Ct Emerald Oval Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1.26 Ct Emerald Oval Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1.06 Carats Tanzania Blue Spinel Oval Faceted Natural Cut Stone for Jewelry
Located in Jaipur, RJ
Tanzania Blue Spinel Oval Faceted Natural Cut Stone for Jewelry Weight - 1.06 Ct Size - 6x4x3 mm Shape - Oval Quantity - 1 Piece
Category

2010s Tanzanian 1 Carat Loose Gemstones

Materials

Spinel

1.22 Carat Cushion Shaped "Bubblegum" Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Cushion shape 1.22-carat Natural Unheated Purplish-Pink sapphire GIA certificate number: 6204624610 has been hand-selected by our experts for its top luster and vibrant unique c...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Sapphire, Pink Sapphire, Purple Sapphire

TJD GIA Certified 1.08 Carat Emerald Cut Loose Diamond, D Color VVS1 Clarity
By TJD
Located in New York, NY
Weight: 1.08ct Cut: Emerald Cut Color: D Clarity: VVS1 Polish: EX Symm: Very Good ...
Category

21st Century and Contemporary Modern 1 Carat Loose Gemstones

Materials

Diamond, Emerald

Loose Sapphire, Oval Cut 1.22 Carat Green Solitaire
Located in Greensboro, NC
Shape/Cut: Oval Treatment: Heating Color: Green Dimensions (mm): 7.84 x 5.88 x 3.36 Weight: 1.22ct Condition: New Please check out the enlarged pictures. Thank you for takin...
Category

21st Century and Contemporary Unknown 1 Carat Loose Gemstones

Materials

Sapphire

Certified 1.48 Carats Mozambique Ruby Pear Faceted Cutstone No Heat Natural Gem
Located in Jaipur, RJ
As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had cut them in our in house manufacturing responsibly. Weight: 1.48 Carats Size: 10....
Category

21st Century and Contemporary Mozambican Art Deco 1 Carat Loose Gemstones

Materials

Ruby

1.49 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.49 Carats (8.67x5.42x3.65) mm NO HEAT
Category

2010s Modern 1 Carat Loose Gemstones

Materials

Ruby

Pristine 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Located in רמת גן, IL
Pristine 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified This stunning 1.01-carat oval diamond is meticulously cut to maximize brilliance and sparkle. Expertly cut to ideal pro...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

1.13 Carat Oval Pink-Purple Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.13 carat GIA certificate number: 2205389627 Unheated natural Sri-Lankan sapphire was hand-selected by our experts for its top luster and Bubblegum vibrant color. We can cus...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Sapphire, Pink Sapphire, Purple Sapphire

GIA Certified 1.04 Carat Fancy Light Yellow I2 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 7436898832 Shape And Cut: Round Carat Weight: 1.04 carat Measurements: 6.18 x 6.11 x 4.06 mm Color Grade: Fancy Light Yellow FEATURES OF THE DIAMOND...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

1pc. Dazzling 1.02 Carat Round Brilliant Natural Diamond
Located in רמת גן, IL
This stunning 1.02 carat D VVS2 round brilliant cut natural diamond is a truly rare and special gem. With its colorless (D) grade and very, very slightly included (VVS2) clarity, thi...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

1.00ct Loose Cushion Cut Natural Diamond GIA Certified, H Color, VS2 Clarity
Located in San Diego, CA
Brilliant 1.00ct loose cushion modified brilliant-cut diamond that's been GIA certified. The color is H with a faint fluorescence which brightens and whitens the diamond. The diamond...
Category

2010s Unknown Modern 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.27 Carat Fancy Light Yellow Green SI1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 7501028087 Shape And Cut: Cushion Carat Weight: 1.27 carat Measurements: 5.71 x 5.71 x 3.99 mm Color Grade: Fancy Light Yellow Green FEATURES OF THE DIAMOND: This Fancy Light Yellow Green diamond...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

Natural Loose 1.16 M SI Round Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56813 Stone Shape: Round Brilliant Diamond Weight: 1.16 CT Clarity: SI Color: M Measurements 6.50 x 6.55 x 4.12 mm Our Price: $2665.40 These genuine diamonds...
Category

15th Century and Earlier Antique 1 Carat Loose Gemstones

Materials

White 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. This diamond comes with an GIA Certificate and laser inscription number. GIA 244684...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified Oval Brilliant Cut Loose Diamond 1.18ct
Located in Laguna Beach, CA
Attractive oval brilliant cut diamond, 1.18 carats. GIA graded G color, VS2 clarity. GIA report number 2231308153. Comes with a full grading report.
Category

Late 20th Century 1 Carat Loose Gemstones

Materials

Diamond

Certified 1.40 Carats Mozambique Ruby Oval Faceted Cut stone No Heat Natural Gem
Located in Jaipur, RJ
Certified 1.40 Carats Mozambique Ruby Oval Faceted Cut stone No Heat Natural Gem Weight: 1.40 Carats Size: 8x5x3.5 MM Pieces: 1 Shape: Faceted Oval cut stone
Category

21st Century and Contemporary Mozambican Art Deco 1 Carat Loose Gemstones

Materials

Ruby

GIA Certified 1.01 Carat Fancy Light Brownish Greenish Yellow I2 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 2436898846 Shape And Cut: Round Carat Weight: 1.01 carat Measurements: 6.09 x 6.06 x 4.17 mm Color Grade: Fancy Light Brownish Greenish Yellow FEATU...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

1 1/3 Carat Oval Purple-Pink Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.34-carat Natural Purple-Pink color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Pink Sapphire

1pc Sparkling Natural cut Round diamond in a 1.01 carat
Located in רמת גן, IL
Natural cut Round diamond in a 1.01 carat E IF cut. This diamond comes with GIA Certificate and laser inscription number. Discover the timeless elegance of a 1.01 carat E IF-cut rou...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.00 Carat U -V Colour VVS2 Clarity DiamondA **1.00 carat diamond*
Located in บางรัก, TH
Certificate: GIA Report Number: 2225477200 Shape And Cut: Pear Carat Weight: 1.00 carat Measurements: 9.08 x 5.19 x 2.94 mm Color Grade: U - V Colour FEATURES OF THE DIAMOND: This...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

Brilliant Ideal Cut 1pc Natural Diamond w/1.00ct - GIA Certified
Located in רמת גן, IL
Brilliant Ideal Cut 1pc Natural Diamond w/1.00ct Introducing our Brilliant Ideal Cut 1pc Natural Diamond, a radiant symbol of love and elegance. This exquisite diamond features a d...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.03 Carat Fancy Greenish Yellow SI2 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 5221302797 Shape And Cut: Oval Carat Weight: 1.03 carat Measurements: 7.30 x 5.21 x 3.48 mm Color Grade: Fancy Greenish Yellow FEATURES OF THE DIAMO...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

Magnificent 1.41ct Double Excellent Ideal Cut Pair of Diamonds - GIA Certified
Located in רמת גן, IL
Magnificent 1.41ct Double Excellent Ideal Cut Pair of Diamonds - GIA Certified Indulge in the ultimate luxury with this stunning pair of emerald-cut diamonds, weighing 1.41 carats. ...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.06 Carat Fancy Deep Brownish Greenish Yellow SI1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 2466188722 Shape And Cut: Oval Carat Weight: 1.06 carat Measurements: 7.51 x 5.12 x 3.37 mm Color Grade: Fancy Deep Brownish Greenish Yellow FEATUR...
Category

2010s Asian 1 Carat Loose Gemstones

Materials

Diamond

Radiant 1.31ct Ideal Cut Emerald-Cut Diamond - GIA Certified
Located in רמת גן, IL
Radiant 1.31ct Ideal Cut Emerald-Cut Diamond - GIA Certified Showcase unparalleled elegance with this 1.31-carat emerald cut diamond, distinguished by its top-tier color grade—absol...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

GIA Certified 1.02 ct Natural Marquise Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Marquise Diamond Weight: 1.02 Carat Color: F Cut: Modified Brilliant Measurements: 9.27 x 5.08 x 3.53 mm Symmetry: Fair Polish: Good Fluorescence: Stro...
Category

16th Century Antique 1 Carat Loose Gemstones

Materials

Diamond

Natural Unheated Orange Red Burmese Spinel Gemstone 1.23 carats with GIA Report
Located in Los Angeles, CA
Indulge in the mesmerizing beauty of 1.23 carats Natural Unheated Burmese Orange-Red Spinel, authenticated by GIA. This octagonal gem, measuring 8.16 x 5.51 x 2.71 mm, exhibits remar...
Category

21st Century and Contemporary Burmese 1 Carat Loose Gemstones

Materials

Spinel

Dazzling 1 pc Ideal Cut Natural Diamond w/1.00 ct - GIA Certified
Located in רמת גן, IL
Dazzling 1 pc Ideal Cut Natural Diamond w/1.00 ct - GIA Certified This dazzling 1.00 carat oval diamond embodies timeless elegance and exceptional sparkle. The coveted ideal cut en...
Category

2010s Israeli 1 Carat Loose Gemstones

Materials

Diamond

1 Carat Oval Blue Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.04-carat Natural Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Blue Sapphire

1.38 Carat Round-Shape Pink Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Round shape 1.38-carat Natural Unheated Light Pink color sapphire GIA certificate number: 5202624538 has been hand-selected by our experts for its top luster and unique color. i...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Pink Sapphire

1.06 Carat Cushion Shape Natural Pink Sapphire GIA Unheated
Located in San Francisco, CA
This Cushion-shaped 1.06-carat Natural Unheated Pink sapphire GIA certificate number: 2205624616 has been hand-selected by our experts for its top lu...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Pink Sapphire

1 1/2 Carat Oval Blue Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.46-carat Natural Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Blue Sapphire

GIA Certified 1.02 carat Fancy Intense Yellow Natural Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Cushion Diamond Weight: 1.02 Carat Color: Fancy Intense Yellow Measurements: 5.20 x 5.13 x 3.96 mm Symmetry: Excellent Polish: Excellent Fluorescence: ...
Category

21st Century and Contemporary Modern 1 Carat Loose Gemstones

Materials

Diamond

1.10 Ct GIA certified Natural Emerald Russia No oil eye clean quality Gemstone
Located in bangkok, TH
EMA135 1.10 Ct GIA certified Natural Emerald Russia No oil eye clean quality Gemstone GEM DESCRIPTION Species: Natural Beryl Variey: Natural Emerald Weight: 1.10 Ct Color: green C...
Category

2010s 1 Carat Loose Gemstones

Materials

Emerald, Silver, Silver Plate

1.02 Carat Oval Purplish Pink Sapphire GIA Unheated
Located in San Francisco, CA
This 1.02 carat Oval Purplish Pink Sapphire GIA Certificate number 2205389632 was selected by our experts for its top luster. It's unheated in i...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Pink Sapphire, Purple Sapphire

8x6mm Oval Faceted Cut Natural Pink Morganite Loose Gemstone AA+ Grade Morganite
Located in New York, NY
Discover the alluring beauty of pink morganite gemstones at Blue Star Gemstones. Our collection features a variety of shapes, colors, and price points to suit every taste and budget....
Category

21st Century and Contemporary Mozambican 1 Carat Loose Gemstones

Materials

Morganite

Natural Green Emerald Gemstone 1.45 carats / JupiterGem
Located in Los Angeles, CA
Discover the exquisite charm of Natural Emerald, beautifully shaped into a marquise cut. This stunning gemstone, known for its lush green color, is perfect for those who appreciate t...
Category

21st Century and Contemporary Unknown 1 Carat Loose Gemstones

Materials

Emerald

Natural Loose 1.33 L I1 Round Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #:56811 Stone Shape:Round brilliant Diamond Weight:1.33 CT Clarity: I1 Color: L Measurements 6.90 x 6.92 x 4.32 mm Our Price:$3056.00 These genuine diamonds are g...
Category

15th Century and Earlier Antique 1 Carat Loose Gemstones

Materials

White Diamond

1.38 Carat Round Shape Lavender Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Round shape 1.38-carat Natural Unheated Lavender/Light Purple color Sri-Lankan sapphire GIA certificate number:1206624540 has been hand-selected by our experts for its top luste...
Category

21st Century and Contemporary American 1 Carat Loose Gemstones

Materials

Sapphire, Pink Sapphire, Purple Sapphire

1.10 Carat Cushion Teal Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.10-carat Cushion Teal Blue GIA Certified Natural Sapphire was selected by our experts for its top luster. Certificate number 1206389628. We can custom make for this rare gem ...
Category

21st Century and Contemporary 1 Carat Loose Gemstones

Materials

Sapphire, Blue Sapphire, Green Sapphire

1 1/3 Carat Oval Zoned Yellow and Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.30-carat Natural Zoned Yellow And Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Blue Sapphire, Yellow Sapphire

1.43 Ct Emerald Pear Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1 1/2 Carat Oval Zoned Yellow And Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.47-carat Natural Zoned Yellow And Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Blue Sapphire, Yellow Sapphire

1.18 Ct Emerald Oval Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1.17 Ct Emerald Oval Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1.05 Ct Emerald Oval Loose Gemstone
Located in Fort Lee, NJ
With a vibrant green color hue, the birthstone for May is a symbol of renewed spring growth. Explore vibrant collection of Emerald, Ruby & Sapphires in our store available as a loo...
Category

2010s Zambian 1 Carat Loose Gemstones

Materials

Emerald

1 1/3 Carat Round Purplish Pink Sapphire GIA Unheated
Located in San Francisco, CA
This Round shape 1.28-carat Natural Purplish Pink color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Malagasy 1 Carat Loose Gemstones

Materials

Pink Sapphire

1.19 Carat Cushion Shape Light Pink Natural Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.19-carat Cushion Light Pink natural unheated sapphire GIA Certificate number: 6203389634 was hand-selected by our experts for its exceptional color. It's 5.7 mm in diameter. ...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Sapphire, Pink Sapphire

1.09 Carat Round White Natural Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Round-Shaped 1.09-carat Natural Unheated White sapphire GIA certified has been hand-selected by our experts for its top luster and unique ...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Sapphire

Deep Bluish Green Natural Tourmaline Ring Loose Gemstone 1.40 Ct Cushion Cut
Located in Peshawar, PK
Deep Bluish Green Natural Tourmaline Loose Gemstone for Ring, or any other Jewelry Setting-Cushion Cut from Kunar Afghanistan!! 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 1.40 Carat 🪚...
Category

21st Century and Contemporary Afghan Contemporary 1 Carat Loose Gemstones

Materials

Tourmaline

1.14 Carat Oval Shaped Pink Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Oval shape 1.14-carat Natural Unheated Pink sapphire GIA certified has been hand-selected by our experts for its top luster and unique color. ...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Pink Sapphire

Natural Green Sapphire Gemstone 1.10 carats / JupiterGem
Located in Los Angeles, CA
Introducing a Natural Green Sapphire of 1.10 carats, featuring a captivating Rectangle shape with precise measurements of 7.08 x 5.25 x 2.81 mm....
Category

21st Century and Contemporary Unknown 1 Carat Loose Gemstones

Materials

Green Sapphire

1.21 Carat Cushion Peach Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.21 carat GIA Certificate: 5202389637 Yellowish Orange Natural Unheated Sapphire was hand-selected by our experts for its top luster. We can custom make for this rare gem any ...
Category

21st Century and Contemporary Sri Lankan 1 Carat Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Natural Green Blue Sapphire Gemstone 1.20 carats / JupiterGem
Located in Los Angeles, CA
Introducing a Natural Green Blue Sapphire, graced with a weight of 1.20 carats. This enchanting gem assumes a Rectangle shape, showcasing precise measurements of 6.49 x 4.51 x 3.82 m...
Category

21st Century and Contemporary Unknown 1 Carat Loose Gemstones

Materials

Blue Sapphire

Still Thinking About These?

All Recently Viewed