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Square Gemstone

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Square Gemstone Ring, Princess Cut Gemstone Band, 18k Solid Gold Gemstone Band
Located in New York, NY
Princess cut gemstone ring crafted in 18k solid gold with AAA grade natural Ruby and Sapphires
Category

21st Century and Contemporary American Modern Band Rings

Materials

Ruby, Blue Sapphire, Gold, 18k Gold, White Gold

6.12ct Square Bi-Color Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
-carat Square Bi-color Tourmaline with enchanting pink hues. This loose gemstone is a radiant masterpiece
Category

2010s African Artisan Loose Gemstones

Materials

Tourmaline, Rubelite

1.25ct Square Cut Blue Green Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
Loose Gemstone. Gemstone Details: Carat Weight: 1.25 carats Shape: Square Cut Variety: Translucent
Category

2010s African Contemporary Loose Gemstones

Materials

Tourmaline

6.08ct Square Cut Brownish Pink Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
gemstone now available exclusively on this Marketplace. With its captivating pink and earth tones, square
Category

2010s Nigerian Artisan Loose Gemstones

Materials

Rubelite, Tourmaline

1.24ct Loose Tourmaline Gemstone - Pink Square Cut
Located in Greensboro, NC
This lovely gemstone is certain to become a treasured piece in your collection! It has a beautiful
Category

21st Century and Contemporary Loose Gemstones

Materials

Tourmaline

Blue Topaz Square Cut Stone Natural Loose Gemstone
Located in Jaipur, RJ
2 Pieces / 1 Pair 18.15 Ct Weight 11 mm Size
Category

21st Century and Contemporary Brazilian Art Deco Loose Gemstones

Materials

Topaz, Blue Topaz

Colourless Sapphire 2.08ct Square Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
This over 2 carat square colourless sapphire is of the highest quality and originates from the
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

5.47 Carat Blue Zircon Square Octagon, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This brilliant blue zircon has a gorgeous, medium "Windex" blue color and is extraordinarily lively! It is very well cut, with a modified brilliant cut pavilion and excellent proport...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Zircon, Blue Zircon

Yellow Sapphire 3.55 Ct Square Cut Natural Unheated, Loose Gemstone
Located in South Melbourne, AU
Sunlit facets gleam from this square cut yellow sapphire expressing an unbelievable golden
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

Hot Pink Garnet 2.25 carat Square cut Natural Madagascar's Loose Garnet Gemstone
Located in Bangkok, TH
Garnet, a dazzling gemstone with a weight of 2.25 carats, boasts a distinctive square cut that
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Garnet

1.60 Carats Soft Red Loose Garnet Stone Square Cut Natural African Gemstone
Located in Bangkok, TH
Shape square Cut baguette A stunning piece of natural beauty, this soft red garnet stone boasts a
Category

21st Century and Contemporary African Modern Loose Gemstones

Materials

Garnet

Tanzanite Earrings Loose Gemstones 3.34 Carat Square Octagons
By Merkaba
Located in Beverly Hills, CA
Special 3.34 carat Tanzanite pair of square octagon loose gemstones, offered unmounted to a very
Category

21st Century and Contemporary Tanzanian Contemporary Loose Gemstones

Materials

Tanzanite

Yellow Sapphire 2.54 Ct Square Unheated, Loose Gemstone
Located in South Melbourne, AU
crisp facets skilfully cut by our gem cutters into a square radiant shape to reveal a jubilant sparkle
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Sapphire

Yellow Sapphire 2.54 Ct Square Unheated, Loose Gemstone
Yellow Sapphire 2.54 Ct Square Unheated, Loose Gemstone
Free Shipping
W 0.26 in D 0.23 in L 0.27 in
8.46 carats Reddish Pink Garnet Square Cushion Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
: Cushion Cut: Square Cushion The 8.46-carat Reddish Pink Garnet Square Cushion Cut Natural Tanzanian
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Garnet

Stunning 7.35 Carats Perfect Square Asscher Cut Loose Citrine Ring Gemstone
Located in Peshawar, PK
Shape: Square Cut: Asscher Certificate: On Customer Demand Citrine is a captivating gemstone known for
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

Pink Tourmaline Ring Gem 5.83 Carat Unmounted Square Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
5.83 carat Pink Tourmaline square emerald-cut loose gemstone, offered unmounted to a very special
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Rare Orange Hessonite Garnet Gemstones, 3.55 Ct Square Emerald Cut for Jewelry
Located in Peshawar, PK
GEMSTONE TYPE: Hessonite Garnet PIECE(S): 1 WEIGHT: 3.55 Carats SHAPE: Square Emerald Cut SIZE (MM
Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Garnet, Hessonite

0.87ct Deep Blue Sapphire Square Cushion Cut IGI Certified Rare Loose Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
0.87ct Deep Blue Sapphire Square Cushion Cut IGI Certified Rare Loose Gemstone Natural Deep Blue
Category

20th Century Loose Gemstones

Materials

Blue Sapphire

Elegant 9.80 Carat Perfect Square Asscher Cut Citrine Loose Gemstone Brazil Mine
Located in Peshawar, PK
Gemstone Type : Citrine Weight : 9.80 Carats Dimensions : 12.4x12.4x9.8 mm Clarity : Loupe Clean
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

Untreated Square Cut Neon Green Emerald Gemstone 0.62 Carat Weight ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
wearable art. This exceptional quality gemstone would make a custom-made jewelry design. Perfect for a Ring
Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

5.2ct Square Aquamarine Pair
Located in Toronto, Ontario
5.82 mm and 7.83 x 7.84 x 5.68 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

5.2ct Square Aquamarine Pair
5.2ct Square Aquamarine Pair
Free Shipping
W 0.32 in D 0.23 in L 0.32 in
Rare Apple Green Natural Tourmaline Gemstone 1.90 Ct Square Cushion Cut for Ring
Located in Peshawar, PK
Gemstone Type: Tourmaline Weight: 1.90 Carats Dimensions: 8.09 x 7.38 x 4.73 mm Color: Apple Green
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

23.19 ct Square Ametrine
Located in Toronto, Ontario
Shape: Square Vernacular Shape: Step Cut Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step
Category

2010s Canadian Contemporary Loose Gemstones

Materials

Amethyst, Citrine

23.19 ct Square Ametrine
23.19 ct Square Ametrine
Free Shipping
W 0.67 in D 0.36 in L 0.72 in
3.17 Carat Square cut Tourmaline
Located in London, GB
3.17 Carat Square cut Tourmaline. This spectacular Square cut Tourmaline weighs 3.17 Carats and
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Tourmaline

3.17 Carat Square cut Tourmaline
3.17 Carat Square cut Tourmaline
Free Shipping
W 0.34 in D 0.2 in L 0.35 in
2.75ct Custom Pinkish Red Rubellite Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
Pinkish Red Rubellite Tourmaline Loose Gemstone. Gemstone Details: Carat Weight: 2.75 carats Shape
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline, Rubelite

Loose Yellow Citrine Ocatagon Square Square 1.50 Carat For Ring Jewelry
Located in Peshawar, PK
Gemstone Type : Citrine Weight : 1.50 Carats Dimensions : 6.9x6.9x5.4 mm Clarity : Eye Clean(SI
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

1.24ct Square Green Emerald from Colombia
Located in Toronto, Ontario
4.42 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Colombian Loose Gemstones

Materials

Emerald

1.24ct Square Green Emerald from Colombia
1.24ct Square Green Emerald from Colombia
Free Shipping
W 0.27 in D 0.18 in L 0.26 in
23.03 Carat Square cut White Topaz stone
Located in Bangkok, TH
A stunning 23.03 Carat Topaz gemstone. It is completely natural and it is a clean stone. The topaz
Category

21st Century and Contemporary Loose Gemstones

Materials

Topaz

23.03 Carat Square cut White Topaz stone
23.03 Carat Square cut White Topaz stone
Free Shipping
W 0.71 in D 0.42 in L 0.71 in
2.46ct Square Green Emerald from Colombia
Located in Toronto, Ontario
6.20 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Colombian Loose Gemstones

Materials

Emerald

2.46ct Square Green Emerald from Colombia
2.46ct Square Green Emerald from Colombia
Free Shipping
W 0.31 in D 0.25 in L 0.3 in
0.98ct Square Green Emerald from Colombia
Located in Toronto, Ontario
4.26 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Colombian Loose Gemstones

Materials

Emerald

0.98ct Square Green Emerald from Colombia
0.98ct Square Green Emerald from Colombia
Free Shipping
W 0.24 in D 0.17 in L 0.22 in
Captivating 0.90 carat Square Cut Brilliant Diamond
Located in רמת גן, IL
Natural cut Square diamond in a .90 carat J VVS1 cut. This diamond comes with GIA Certificate and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Incredible Orange Hessonite Garnet Gemstone 2.90 Carats Sparkling Gemstone
Located in Bangkok, TH
Incredible Orange Hessonite Garnet Gemstone , Available for sale at whole sale price natural high
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Garnet, Hessonite

Radiant 0.90ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Radiant 0.90ct Ideal Cut Square Diamond - GIA Certified Discover the elegance of this 0.90-carat
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 1.52ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Exquisite 1.52ct Ideal Cut Square Diamond - GIA Certified This captivating 1.52-carat square-cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Elegant 0.70ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Elegant 0.70ct Ideal Cut Square Diamond - GIA Certified Make a statement with this elegant 0.70
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 1.51ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Magnificent 1.51ct Ideal Cut Square Diamond - GIA Certified This magnificent square-cut diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

4.20 Carats Intense Red Malawi Garnet Gemstone from Malawi
Located in Bangkok, TH
Intense Red Malawi Garnet gemstone From Malawi, available for sale at wholesale price natural high
Category

21st Century and Contemporary Malawian Modern Loose Gemstones

Materials

Garnet

4.20 Carats Intense Red Malawi Garnet Gemstone from Malawi
4.20 Carats Intense Red Malawi Garnet Gemstone from Malawi
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W 0.33 in D 0.22 in L 0.42 in
Classic 1ct. Square Modified Brilliant Solitaire Diamond Ring
Located in רמת גן, IL
Product Details: ~Metal: 18K Yellow Gold Main stone: 1ct square modified brilliant natural
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1pc Sparkling 1ct Square Modified Brilliant Cut Natural Diamond
Located in רמת גן, IL
This stunning square modified brilliant cut diamond is a rare and valuable gem. It is perfectly cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Certified 89.35 Carats Ruby Mozambique Carved Specimen Heated Natural Gemstone
Located in Jaipur, RJ
Certified 89.35 Carats Ruby Mozambique Carved Specimen Heated For Fine Jewelry Gemstone - Ruby
Category

21st Century and Contemporary Mozambican Art Deco Loose Gemstones

Materials

Ruby

Exquisite 2.01ct Ideal Cut Square-Shaped Diamond - GIA Certified
Located in רמת גן, IL
Exquisite 2.01ct Ideal Cut Square-Shaped Diamond - GIA Certified Experience the brilliance of a
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 3.01 ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Radiant 3.01 ct Ideal Cut Square Diamond - GIA Certified This radiant 3.01 ct square diamond is a
Category

2010s Israeli Loose Gemstones

Materials

Diamond

2.47ct Square Purple Spinel from Sri Lanka Unheated
Located in Toronto, Ontario
5.06 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

2.47ct Square Purple Spinel from Sri Lanka Unheated
2.47ct Square Purple Spinel from Sri Lanka Unheated
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W 0.31 in D 0.2 in L 0.29 in
2.57ct Square Purple Spinel from Sri Lanka Unheated
Located in Toronto, Ontario
4.95 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

2.57ct Square Purple Spinel from Sri Lanka Unheated
2.57ct Square Purple Spinel from Sri Lanka Unheated
Free Shipping
W 0.31 in D 0.2 in L 0.31 in
3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
Located in Makola, LK
(Ceylon) • Color(s): Blue • Shape/Cutting Style: Square • Cut: Excellent Cut • Dimensions: 76.1mm x 7.78mm
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Amber, Blue Sapphire, Pink Sapphire, Purple Sapphire

3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
Free Shipping
W 0.31 in D 0.21 in L 0.31 in
Hot Pink Natural Spinel Gemstone 1.24 Carats Spinel Gemstones Spinel Jewellery
Located in Bangkok, TH
Hot Pink Natural Spinel Gemstone of 1.24 carats from Burma has a wonderful cut in a Square shape
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Spinel

2.08 Carat Square/Octagonal Green Emerald GIA Certified Zambia
Located in Toronto, Ontario
This is a stunning GIA Certified Emerald The GIA report reads as follows: GIA Report Number: 5221589029 Shape: Octagonal Cutting Style: Cutting Style: Crown: Step Cut Cutting Styl...
Category

2010s Zambian Loose Gemstones

Materials

Emerald

2.08 Carat Square/Octagonal Green Emerald GIA Certified Zambia
2.08 Carat Square/Octagonal Green Emerald GIA Certified Zambia
Free Shipping
W 0.28 in D 0.22 in L 0.28 in
Sparkling 3.0 Carat Natural Loose Yelloe Citrine Gemstone from Brazil Mines
Located in Peshawar, PK
Gemstone Type : Citrine Weight : 3 Carats Dimensions : 8.4x8.4x6.6 m Clarity : Eye Clean Origin
Category

21st Century and Contemporary Brazilian Baroque Revival Loose Gemstones

Materials

Citrine

0.65 ct Intense Horsetail Inclusion Square Cut Demantoid Garnet from Russia
By Tsarina Jewels
Located in Bangkok, TH
of the rarest variety of Garnets, known as Demantoid. These unique gemstones are highly valued for
Category

2010s Russian Modern Loose Gemstones

Materials

Garnet

4.75 Carat Natural Apple Green Loose Peridot Gemstone From Pakistan SI Clarity
Located in Peshawar, PK
: Square Treatment: Non Color: Green Certficate: On Demand . Peridot is a captivating gemstone known for
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Peridot

1.1ct Square Aquamarine
Located in Toronto, Ontario
4.30 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.1ct Square Aquamarine
1.1ct Square Aquamarine
Free Shipping
W 0.24 in D 0.17 in L 0.25 in
1.35ct Square Aquamarine
Located in Toronto, Ontario
3.86 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.35ct Square Aquamarine
1.35ct Square Aquamarine
Free Shipping
W 0.28 in D 0.16 in L 0.28 in
1.53ct Square Aquamarine
Located in Toronto, Ontario
5.09 mm Shape: Square Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Mixed Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.53ct Square Aquamarine
1.53ct Square Aquamarine
Free Shipping
W 0.27 in D 0.21 in L 0.27 in
1.53ct Square Aquamarine
Located in Toronto, Ontario
4.49 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.53ct Square Aquamarine
1.53ct Square Aquamarine
Free Shipping
W 0.28 in D 0.18 in L 0.28 in
1.58ct Square Aquamarine
Located in Toronto, Ontario
4.86 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.58ct Square Aquamarine
1.58ct Square Aquamarine
Free Shipping
W 0.28 in D 0.2 in L 0.28 in
1.9ct Square Aquamarine
Located in Toronto, Ontario
5.08 mm Shape: Square Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Mixed Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.9ct Square Aquamarine
1.9ct Square Aquamarine
Free Shipping
W 0.3 in D 0.2 in L 0.3 in
1.17ct Square Aquamarine
Located in Toronto, Ontario
4.28 mm Shape: Square Cutting Style Crown: Step Cut Cutting Style Pavilion: Step Cut Transparency
Category

2010s Brazilian Loose Gemstones

Materials

Aquamarine

1.17ct Square Aquamarine
1.17ct Square Aquamarine
Free Shipping
W 0.26 in D 0.17 in L 0.26 in
4.90 Carats Mix Match Tourmaline Pair, Multi Color Tourmaline Square Cut
Located in Jaipur, RJ
Gemstone - Tourmaline Weight- 4.90 Carats Shape - Square Size - 5x5 MM Pieces - 7
Category

21st Century and Contemporary Brazilian Art Deco Loose Gemstones

Materials

Tourmaline

14.90 Carat Natural Loose Citrine Square Shape Gem For Necklace Jewellery
Located in Peshawar, PK
Treatment: Non Certficate: On Demand Shape: Square Citrine, a radiant and versatile gemstone, enchants
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

Red Garnet Pair Squares Total 4ct AAA+ Cut Very Good Create Earring
Located in Viena, Viena
, AAA+, square cut, color light red with a flush blue, eye clean, brilliance very good, cut very good
Category

2010s Modern Loose Gemstones

Materials

Garnet

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Square Gemstone For Sale on 1stDibs

Find the exact square gemstone you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and Yellow Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a square gemstone from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Finding an appealing square gemstone — no matter the origin — is easy, but Sarosi By Timeless Gems, Merkaba and Georgios Collections Inc each produced a popular version that is worth a look. A square gemstone can be a stylish choice for most occasions, but Multi-gemstone rings, from our inventory of 17, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for a square cut version of this piece and are unable to find the perfect match, our selection also includes asscher cut and round cut alternatives. If you’re browsing our inventory for a square gemstone, 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 Square Gemstone?

Prices for a square gemstone can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $297 and can go as high as $18,500, while this accessory, on average, fetches $1,850.