Skip to main content

Loose Gemstone Diamonds

43
to
156
795
662
2,084
1,359
458
229
136
75
66
59
54
49
44
28
26
25
23
22
22
16
11
10
9
9
9
8
7
6
6
5
3
3
3
2
2
1
1
1
1
1
1
1
33
30
29
16
15
Sort By
GIA Certified 1.08 Carat Emerald Cut Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
presented either as a loose Diamond or transformed into a personalized piece such as a pendant, ring, or
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

GIA Certified 1.01 Carat Pear Shape Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
jewelry, offers this stunning pear shape vivid yellow diamond that can be presented either as a loose
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

GIA Certified 1.26 Carat Oval Brilliant Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
that can be presented either as a loose Diamond or transformed into a personalized piece such as a
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

7.25 Carat Aquamarine Oval, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
11.70 x 7.67mm and is free of internal inclusions. This gemstone is a statement by itself but would be
Category

21st Century and Contemporary Brazilian Artisan Loose Gemstones

Materials

Aquamarine

7.25 Carat Aquamarine Oval, Unset Loose Gemstone
7.25 Carat Aquamarine Oval, Unset Loose Gemstone
Free Shipping
W 0.47 in D 0.31 in L 0.6 in
3.95 Carats Natural Loose Rubellite Tourmaline Gemstone
Located in Peshawar, PK
gemstones and diamonds. The gem's remarkable brilliance and durability make it suitable for various jewelry
Category

21st Century and Contemporary Malagasy Anglo-Indian Loose Gemstones

Materials

Tourmaline, Rubelite

3.95 Carats Natural Loose Rubellite Tourmaline Gemstone
3.95 Carats Natural Loose Rubellite Tourmaline Gemstone
Free Shipping
W 0.36 in D 0.23 in L 0.41 in
Alexandrite Oval, .86 Carat Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
rarer than diamonds! This gem is accompanied by Gemological Institute of America Report #2205170461
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Alexandrite, Chrysoberyl

4.54 Carat Aquamarine, Pear Shape, Loose Unset Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
your spring wardrobe, or anytime of year! One of the most popular and well-known gemstones, this
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Aquamarine

4.54 Carat Aquamarine, Pear Shape, Loose Unset Gemstone
4.54 Carat Aquamarine, Pear Shape, Loose Unset Gemstone
Free Shipping
W 0.38 in D 0.27 in L 0.56 in
5.61 Carat Pear Shaped Tanzanite, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
gorgeous gemstone has excellent clarity, is well-proportioned and beautifully symmetrical. It measures
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tanzanite

5.61 Carat Pear Shaped Tanzanite, Unset Loose Gemstone
5.61 Carat Pear Shaped Tanzanite, Unset Loose Gemstone
Free Shipping
W 0.35 in D 0.26 in L 0.56 in
1.15ct Sapphire Gemstone - Oval Cut Blue Loose Solitaire
Located in Greensboro, NC
have any questions, please do not hesitate to contact us. All items are carefully examined; diamonds
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

1.32 Carat Pear-Shaped Loose Unset Tanzanite Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
diamonds as well! We specialize in custom designs and would love to create something special just for you!
Category

21st Century and Contemporary Zambian Artisan Loose Gemstones

Materials

Tanzanite

1.57 Carat Oval Unset Loose Unmounted Aquamarine Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
either white or yellow gold, with or without diamonds. With its gorgeous, sparkling blue color and
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Aquamarine

3.66 Carat Tanzanite Gemstone, Oval Cut Loose Solitaire
Located in Greensboro, NC
; diamonds and gemstones are graded and identified by GIA graduates. If there is a specific piece you are
Category

20th Century Unknown Loose Gemstones

Materials

Tanzanite

3.66 Carat Unset Loose Pear Shaped Unmounted Tanzanite Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, leaving no doubt that this is a classic example of the highly prized gemstone from Tanzania, Africa. With
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tanzanite

2.00 Carat Blue Sapphire Oval Loose Unset Ring Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
crisp, medium blue color, this gemstone is nicely proportioned and bright, with both royal and brilliant
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

2.00 Carat Blue Sapphire Oval Loose Unset Ring Gemstone
2.00 Carat Blue Sapphire Oval Loose Unset Ring Gemstone
Free Shipping
W 0.24 in D 0.17 in L 0.36 in
1.17 Carat Unset Loose Unmounted Cushion Shaped Tanzanite Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This petite tanzanite gemstone is both gorgeous and budget-friendly! With its characteristic
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tanzanite

Alexandrite Chrysoberyl .78 Carat Loose Gemstone, GIA Certified - RTP
By Sarosi By Timeless Gems
Located in Los Angeles, CA
certifying that it is a natural gemstone from Sri Lanka, one of the premier sources of world-class gemstones
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Alexandrite, Chrysoberyl

3.70 Carat Colombian Emerald, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
would be stunning set as a classic 3-stone ring flanked by baguette cut or trapezoid diamonds! Custom
Category

21st Century and Contemporary Colombian Artisan Loose Gemstones

Materials

Emerald

14.72ct Star Sapphire Gemstone - Oval Cabochon Cut Loose Solitaire
Located in Greensboro, NC
; diamonds and gemstones are graded and identified by GIA graduates. If there is a specific piece you are
Category

21st Century and Contemporary Loose Gemstones

Materials

Star Sapphire

Colourless Sapphire 2.08ct Square Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
, this sapphire may have the faintest blue tones visible if set next to white diamonds. This colourless
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

9.23 Carat Pear Shape Caribbean Blue Zircon Loose Gemstone
Located in Seattle, WA
natural gemstone... The neat thing about Blue Zircon (aside from the amazing color) is that it has a high
Category

2010s Loose Gemstones

Materials

Zircon, Blue Zircon

2.00 Carat Heart Shaped Ruby, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
sparkling diamonds. This gem has no secondary purple or brown and the way it is faceted makes it appear much
Category

21st Century and Contemporary Thai Artisan Loose Gemstones

Materials

Ruby

1.65 Carat Natural Loose Blue Sapphire Round Cut Ring Gemstone
Located in Peshawar, PK
Loose Blue Sapphire Weight: 1.65 Carats Dimension: 6.7x6.6x4.5 Mm Origin: Madagascar Africa
Category

21st Century and Contemporary Malagasy Aesthetic Movement Loose Gemstones

Materials

Blue Sapphire

1.65 Carat Natural Loose Blue Sapphire Round Cut Ring Gemstone
1.65 Carat Natural Loose Blue Sapphire Round Cut Ring Gemstone
Free Shipping
W 0.26 in D 0.18 in L 0.27 in
Yellow Sapphire 2.64 Ct Emerald Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
emerald cut yellow sapphire as the centrepiece stone or accompanied by some diamond side highlight stones
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

Natural Horsetail 1.4 Ct Russian Demantoid Loose Gemstone ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
The Demantoid Garnet is a rare gemstone full of brilliance. It's dispersion is higher than diamond
Category

2010s Russian Russian Empire Loose Gemstones

Materials

Garnet

Unheated .75 Carat Padparadscha Sapphire, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
America Report #2151789768 and would be exquisite set as a custom-made ring with diamonds. Treat yourself
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

Unheated 5.02 Carat Blue Spinel, Loose Gemstone, GIA Certified ..... A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, whether you prefer it set by itself, or combined with diamonds! Custom designs available. Please send us
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Spinel

Unheated 10.78 Carat Ceylon Yellow Sapphire, Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
diamonds. We can help you design a necklace worthy of this rare gem! Custom designs available. Please send
Category

21st Century and Contemporary Sri Lankan Artisan Loose Gemstones

Materials

Sapphire, Yellow Sapphire

0.58 ct Lustrous Green Demantoid Garnet Loose Gemstone from Russia
By Tsarina Jewels
Located in Bangkok, TH
Demantoid garnet was first discovered in the Ural Mountains of Russia. This gemstone found its
Category

2010s Russian Russian Empire Loose Gemstones

Materials

Garnet

Yellow Sapphire 3.55 Ct Square Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
accompanying diamonds. This yellow sapphire is available to purchase as a loose sapphire or contact us to
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

6.14 Carat Tourmaline Gemstone, Cushion Cut Blue Green Loose Solitaire
Located in Greensboro, NC
to contact us. All items are carefully examined; diamonds and gemstones are graded and identified by
Category

20th Century Afghan Loose Gemstones

Materials

Tourmaline

Rare Horsetail 0.85 Ct Russian Demantoid Loose Gemstone ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
became famous around the world because of its highly-refractive index which is greater than a diamond
Category

2010s Russian Russian Empire Loose Gemstones

Materials

Garnet

6.15 Carat Spessartite Mandarin Garnet Oval, Loose Unset Ring, Pendant Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This stunning spessartite Mandarin garnet has all the hallmarks of a collector gemstone! Weighing
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

.94 Carat Rare Green Demantoid Garnet, Loose Gemstone, GIA Certified ....A
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Demantoid garnets are among the rarest gemstones in the world. This vivid, bright green round
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet

8.65 Carats Natural Loose Mint Tourmaline Asscher Cut Gemstone Afghanistan Mine
Located in Peshawar, PK
other complementary gemstones like diamonds or sapphires to create exquisite and one-of-a-kind pieces
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.25 carats Loose Blue Aquamarine Stone Scissor Cut Natural Nigerian Gemstone
Located in Bangkok, TH
gemstone aquamarine diamond aquamarine stone price aquamarine gifts
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Aquamarine

2.10 carats Fine Loose Aquamarine Custom Precision Cut Natural Nigerian Gemstone
Located in Bangkok, TH
aquamarine stone march birth stone aquamarine gemstone aquamarine diamond aquamarine stone price aquamarine
Category

21st Century and Contemporary Nigerian Modern Loose Gemstones

Materials

Aquamarine

1.65 Carats Natural Loose Mint Green Tourmaline Oval Shape Ring Gemstone
Located in Peshawar, PK
pair mint green tourmaline with other complementary gemstones like diamonds, sapphires, or aquamarines
Category

Late 20th Century Afghan Baroque Loose Gemstones

Materials

Tourmaline

Loose Spessartite Mandarin Garnet, 4.97 Carats, Gemstone for Ring or Pendant
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, measures 10.96 x 7.62mm and has exceptional clarity! A truly impressive gemstone with endless sparkle that
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Garnet, Mandarin Garnet

1.75 Carats Gray Loose Burmese Spinel Stone Cushion Cut Natural Gemstone
Located in Bangkok, TH
Cushion Cut Fancy Cushion The 1.75 carats Gray Burmese Spinel Stone is a captivating natural gemstone
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Attractive Blue Zircon 2.50 carats Emerald Cut Natural Loose Cambodian Gemstone
Located in Bangkok, TH
exquisite beauty of a 2.50 carat Natural Cambodian Blue Zircon. This emerald-cut gemstone radiates a
Category

21st Century and Contemporary Cambodian Modern Loose Gemstones

Materials

Zircon, Blue Zircon

Organic Blue Zircon 2.40 carats Emerald Cut Natural Loose Cambodian Gemstone
Located in Bangkok, TH
zircon gemstone zircon diamond blue zircon birthstone zirconia stones blue zircon price natural blue
Category

21st Century and Contemporary Cambodian Modern Loose Gemstones

Materials

Zircon, Blue Zircon

Gamin Blue Aquamarine 1.50 carats Emerald Cut Natural Loose Pakistani Gemstone
Located in Bangkok, TH
aquamarine birthstone month aquamarine price aquamarine diamond blue aquamarine aquamarine gemstone price
Category

21st Century and Contemporary Pakistani Modern Loose Gemstones

Materials

Aquamarine

2.85 Carats Natural Loose Red Rhodolite Garnet Oval Shape Ring Gemstone
Located in Peshawar, PK
diamonds or other gemstones to create captivating, one-of-a-kind pieces. Whether featured as a solitaire
Category

Early 2000s Tanzanian Arts and Crafts Loose Gemstones

Materials

Garnet, Rhodolite

1.92 Carat Total Oval Yellow Sapphire Pair for Earrings, Loose Gemstones
By Sarosi By Timeless Gems
Located in Los Angeles, CA
full of life and will look beautiful set with diamonds or colored stones, whether as simple drop
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Royal Blue Sapphire Pair, 3.82 Carats Total, Loose Gemstones for Earrings
By Sarosi By Timeless Gems
Located in Los Angeles, CA
embellished with as many diamonds as you like! This color of sapphire looks beautiful set in either white or
Category

Antique 15th Century and Earlier Artisan Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA Certified 0.68ct Round Brilliant Loose Diamond
Located in Laguna Beach, CA
Loose round brilliant diamond, .68 carats. GIA-graded H color, VS1 clarity, symmetry is good. The
Category

Late 20th Century Loose Gemstones

Materials

Diamond

12.10cts Natural Loose Peach Morganite Gemstone Asscher Cut for Jewelry Making
Located in Peshawar, PK
Gemstone Type : Morganite Weight : 12.10 Carats Dimensions : 13.9x13.7x10.6 Mm Origin : Brazil
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Morganite

Loose Round Brilliant Cut Diamond 0.88 ct
Located in Laguna Beach, CA
Loose .88 carat round brilliant cut diamond. M to N color, VS clarity, good symmetry. Very
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Round Brilliant Cut Diamond 0.96 ct
Located in Laguna Beach, CA
Loose .96 carat round brilliant cut diamond. No grading lab certificate. J- K color, i1 clarity. 10
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

AAA Top Quality 4.70 Carat Natural Loose Fire Sphene Titanite Ring Gemstone
Located in Peshawar, PK
rarity compared to other gemstones like diamonds or sapphires has also contributed to its desirability
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Other

Loose Round Brilliant Cut Diamond 1.26 ct
Located in Laguna Beach, CA
Loose round brilliant diamond, 1.26 carats. No grading lab certificate. H to I color, i1 -i2
Category

Mid-20th Century Loose Gemstones

Materials

Diamond

Round Brilliant Cut Loose Diamond 0.94 ct
Located in Laguna Beach, CA
Loose .94 carat round brilliant cut No grading certificate. Grading is done by a GIA graduate
Category

Early 20th Century Loose Gemstones

Materials

Diamond

Natural Blue Sapphire Pear and Pink Sapphire Pear & Emerald Pear Loose Gemstones
Located in Hong Kong, HK
Discover an exquisite collection of loose gemstones that encapsulate elegance and sophistication
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Emerald, Blue Sapphire, Pink Sapphire

Natural Loose 0.91 H I1 Octagonal Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55819 Stone Shape: Octagonal Diamond Diamond Weight: 0.91 CT Clarity: I1
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond

Natural Loose 0.91 H I1 Octagonal Diamond
Natural Loose 0.91 H I1 Octagonal Diamond
Free Shipping
W 0.35 in D 0.09 in L 0.22 in
1.04 Carat Oval Pink Sapphire Loose Unset Engagement 3-Stone Ring Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
look gorgeous set with diamonds or other colored gems. This gem has bright, open color and is eye clean
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Sapphire, Pink Sapphire

GIA Certified Oval Brilliant Loose Diamond 1.48ct
Located in Laguna Beach, CA
1.48-carat oval brilliant cut diamond. GIA graded H color, Vs1 clarity. Measures 7.89 x 6.31 x
Category

Mid-20th Century Loose Gemstones

Materials

Diamond

1.35 Carats Natural Loose Red Burmese Spinel Stone Fancy Cushion Cut Gemstone
Located in Bangkok, TH
gemstone of unparalleled beauty and rarity. Exhibiting a vibrant hue reminiscent of the deepest crimson
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

1.60 Carats Red Burmese Loose Spinel Stone Fancy Cushion Cut Natural Gemstone
Located in Bangkok, TH
gemstone of unparalleled beauty and rarity. Exhibiting a vibrant hue reminiscent of the deepest crimson
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

1.37 Carats Red Burmese Loose Spinel Stone Fancy Cushion Cut Natural Gemstone
Located in Bangkok, TH
gemstone of unparalleled beauty and rarity. Exhibiting a vibrant hue reminiscent of the deepest crimson
Category

21st Century and Contemporary Burmese Modernist Loose Gemstones

Materials

Spinel

Gorgeous Mint Green Loose Tourmaline Ring Gem 12.35 Carats Asscher Cut Gemstone
Located in Peshawar, PK
complemented by other gemstones or diamonds to accentuate its beauty. In terms of care, mint green tourmaline
Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

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

Loose Gemstone Diamonds For Sale on 1stDibs

Find an expansive variety of loose gemstone diamonds available on 1stDibs. Frequently made of gold, 18k gold and white gold, these items were constructed with great care. Find a collection of 65 vintage versions or 152 modern creations for a more contemporary example of these cherished accessories. Our collection is diverse and broad-ranging, and pieces in stock date back to the 19th Century while others were produced as recently as the 21st Century. Our collection of loose gemstone diamonds includes designs that are universally popular, but contemporary and artisan styles, specifically, are sought with frequency. Sarosi By Timeless Gems, Harakh and Gilan each produced beautiful examples of these items that are worth considering. Lovers of these pieces agree that it’s a versatile accessory, but a selection from our variety of 135 diamond versions can add an especially stylish touch. A selection of round cut, oval cut and cushion cut can be found today on these pages. There aren’t many items for men in our collection of loose gemstone diamonds, as most of the options available are for women.

How Much are Loose Gemstone Diamonds?

Prices for loose gemstone diamonds can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $31 and can go as high as $82,962, while loose gemstone diamonds, on average, fetch $3,263.
Questions About Loose Gemstone Diamonds
  • 1stDibs ExpertDecember 12, 2023
    Whether Cartier will set a loose diamond depends on the circumstances. If you purchased a piece of Cartier diamond jewelry and the stone has come loose, contact customer service for assistance with repairs. Cartier will usually not place a loose diamond that you purchased elsewhere in one of their settings. Find a wide range of Cartier diamond jewelry on 1stDibs.