Skip to main content

Rectangle Gemstones

to
6
15
20
9
3
1
1
2
1
1
1
1
Sort By
14k Gold Cushion 12x10 mm Rectangle Gemstone Ring Gemstone Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
Brilliant Gemstone Ring is made of 14k solid gold featured with a natural sparkly gemstones
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Blue Topaz, Peridot, Garnet, Citrine, Amethyst, Yellow Gold, White Gold,...

10k Gold Cushion 12x10 mm Rectangle Gemstone Ring Gemstone Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
Brilliant Gemstone Ring is made of 10k solid gold featured with a natural sparkly gemstones
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Blue Topaz, Peridot, Garnet, Citrine, Amethyst, Yellow Gold, White Gold,...

27.45 Carat Natural Loose Citrine Rectangle Shape Gemstone
Located in Peshawar, PK
Loose Citrine Weight: 27.45 Carats Dimension: 19 x 18.1 x 13.4 Mm Origin: Brazil Shape: Rectangle
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine

1.03ct Octagonal/Rectangle Green Tourmaline
Located in Toronto, Ontario
x 3.96 mm Shape: Octagonal/Rectangle Cutting Style: Cutting Style Crown: Step Cut Cutting Style
Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

14K Rose Gold 2.06ct Morganite & Diamond Engagement Ring
Located in New York, NY
Pink ►Gemstone Size/Shape: Rectangle ►Gemstone Origin: Mozambique ►Natural Diamonds: 0.29 carat
Category

21st Century and Contemporary Contemporary Wedding Rings

Materials

Diamond, Morganite, Rose Gold

14K Rose Gold Natural Emerald 6.71 Ct Morganite Cocktail Ring
Located in New York, NY
: Natural Morganite Rectangle ►Gemstone Weight: 6.71 carat ►Gemstone Color: Peachy Pink ►Gemstone Origin
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Emerald, Morganite, Rose Gold

Mozambique Ruby 6.72 Cts Red Unheated Blood Ruby Certified IGITL No Heat
Located in Chicago, IL
attached. Transparency: Transparent Shape: rectangle Gemstone ColorRed Gemstone Type: Ruby Number of Pieces
Category

2010s Indian More Jewelry

Materials

Ruby

Rectangle Octagon Emerald Gemstone Cocktail Ring Diamond 18 Karat White Gold
Located in Diera, Dubai
. Gemstone can be changed as per your preferences. Your own design is always welcome. ✦ Shipping
Category

21st Century and Contemporary Indian Modern Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Fuchsia Pink Tourmaline Necklace with Asymmetric Details in 14K Yellow Gold LV
By Five Star Jewelry
Located in Austin, TX
Rectangle Gemstone Color: Deep Rich Fuchsia Pink Gemstone Weight: 2.80 Carats Do you love this piece but
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Tourmaline, 14k Gold, Yellow Gold

Sajen Sterling Silver Multi Gemstone Pear Shape Drop Earrings #19525
Located in Washington Depot, CT
Sajen features round, rectangle and pear shape gemstones set in classic sterling silver. Size: 57.33 mm
Category

20th Century Drop Earrings

Materials

Moonstone, Sterling Silver

Vintage Art Nouveau Citrine Ring 18 Karat Gold Large Yellow Citrine
Located in Brooklyn, NY
Vintage Art Nouveau Ring Bold and statement ring Large rectangle natural Citrine gemstone 15 x 12
Category

Vintage 1960s Cluster Rings

Materials

Diamond, Citrine, Gold, 14k Gold

13.98 Carat Bi-Color Lilac Red Tourmaline Yellow Gold Ring, Lola Brooks 2022
Located in Dallas, TX
signature-finished 18k yellow gold showcasing a rare 13.98 carat red and lilac bicolor faceted rectangle
Category

2010s American Artist Solitaire Rings

Materials

Tourmaline, Gold, 18k Gold, Yellow Gold

Platinum 7 Carat Color Changing Tourmaline Estate Cocktail Ring
Located in New York, NY
, Baguette Gemstone: Tourmaline Gemstone Weight: 7 CT Gemstone Cut: Rectangle Gemstone Color: Multicolor
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

14 Karat White Gold 45 Carat Aquamarine and Rubies Deco Estate Ring
Located in New York, NY
Cut: Rectangle/Round Gemstone Color: Blue/Red
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Ico & the Bird Fine Jewelry 9.2 carat Aquamarine Gold Earrings
By Ico & the Bird Fine Jewelry
Located in Los Angeles, CA
rectangle and pear gemstones. The top gems are set in 22k gold with matching pear shaped drops. The color is
Category

2010s Artisan Drop Earrings

Materials

Aquamarine, 22k Gold, Gold

Ruby Baguette Diamond Stacking Ring
Located in Mission Viejo, CA
custom designed color gemstone jewelry. JEWELRY SPECIFICATION: Center Ruby Weight: 0.20 Cts Gemstone
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Ruby, 14k Gold

Yellow Gold Multi-Gemstone Bracelet, 14 Karat Rectangle 9.45 Carat Link Garnets
Located in Greensboro, NC
: 1.65ctw Genuine Amethysts Color: Purple Carats: 1.65ctw Gemstones' Cut: Rectangle Total Carats
Category

20th Century More Bracelets

Materials

Yellow Gold

1.53ct Elongated Rectangle Montana Sapphire 14K Yellow Gold Engagement Ring
Located in Osprey, FL
Rectangle Montana Sapphire weighs 1.53ct ♥ All gemstones used are genuine, earth-mined, and guaranteed
Category

2010s American Engagement Rings

Materials

Sapphire, 14k Gold, Yellow Gold

Natural Unheated Nigerian Sapphire with Diamond Sides 14K Gold Engagement Ring
Located in Osprey, FL
♥ This is a solid 14K white gold ring set with a natural unheated rectangle-shaped Nigerian
Category

2010s American Engagement Rings

Materials

Sapphire, Diamond, Gold, 14k Gold

Pre-Loved Moschino Women's Burgundy Satin Crystal Embellished Clutch Bag
By Moschino
Located in London, GB
Satin Rectangle clutch Crystal gemstone embellishment Gold tone Love Moschino logo plate Magnetic
Category

21st Century and Contemporary British Clutches

22.63ct Natural Untreated Rectangle Radiant Cut Mint Green Tourmaline
By Hannaboya
Located in Lanham, MD
22.63 Carat Rectangle Radiant Cut Mint Green Tourmaline with Inclusions Loose Stone! 💎✨ A true
Category

2010s Nigerian Artisan Loose Gemstones

Materials

Tourmaline

Beauvince Deep Blue Sea Sapphire and Diamond Ring in White Gold
By Beauvince Jewelry
Located in New York, NY
the deep sea. Gemstones Type: Sapphire Gemstones Shape: Rectangle Gemstones Weight: 1.68 ct No. of
Category

2010s Contemporary Engagement Rings

Materials

Blue Sapphire, Diamond, White Diamond, Sapphire, 18k Gold

Picture Jasper Indian Cuff Bracelet Navajo Handmade Bracelet Adjustable Sterling
Located in Austin, TX
: Silver and Black Gemstone Shape: Rectangle Gemstone Weight: Gemstone Measurements: 22.04 mm X 26 mm X
Category

21st Century and Contemporary American Artisan Bangles

Materials

Jasper, Silver

Get Updated with New Arrivals
Save "Rectangle Gemstones", and we’ll notify you when there are new listings in this category.

Rectangle Gemstones For Sale on 1stDibs

Find an expansive variety of rectangle gemstones available on 1stDibs. These distinct designs — crafted with great care and often made from gold, 14k gold and white gold — can elevate any look. Our selection of items includes 77 vintage examples as well as 243 contemporary versions. Our inventory is broad and distinctive, with accessories on offer that were made as long ago as the 20th Century to those produced as recently as the 21st Century. Pieces in our collection of rectangle gemstones made by contemporary jewelers — as well as those associated with modern — are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by PHILIPPE SPENCER, Alberto and Five Star Jewelry are consistently popular. Browse our collection of 150 diamond versions today to add the perfect touch to your look. A selection of emerald cut, princess cut and round cut can be found today on these pages. Most of our rectangle gemstones for sale are for women, but there are 123 pieces available to browse for men.

How Much are Rectangle Gemstones?

Prices for rectangle gemstones can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $89 and can go as high as $255,000, while rectangle gemstones, on average, fetch $2,155.