Rectangle Gemstones
16
to
35
232
27
250
102
55
25
10
9
7
4
4
4
3
3
2
1
1
1
1
1
26
7
7
7
6
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,...
Loose Tanzanite Gemstone 3.3 ct
Located in Laguna Beach, CA
Loose 3.30-carat tanzanite gemstone.
No grading lab certificate.
The stone is a rectangle cushion
Category
21st Century and Contemporary Loose Gemstones
Materials
Tanzanite
3.65ct NON-OILED Rectangular Natural EMERALD Gemstone
By Hannaboya
Located in Sheridan, WY
Discover the pure elegance of our 3.65ct Non-oiled Rectangle Cut Natural Emerald Gemstone. This
Category
2010s African Artisan Loose Gemstones
Materials
Emerald
17.86 Carat Loose Tourmaline Gemstone, Genuine Green Rectangular
Located in Greensboro, NC
This gemstone has lovely green color and an attractive rectangular cut. It would make a most
Category
20th Century Unknown Loose Gemstones
Materials
Tourmaline
8.25cts Natural Loose Amethyst Gemstone Pixel Pixelated Cut From Brazil Mine
Located in Peshawar, PK
Shape: Rectangle/Emerald
Facet/Cut: Pixel Cut / Smith Bar Cut / Pixelated
Treatment: Non
Certficate
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Amethyst
Free Shipping
W 0.32 in D 0.3 in L 0.75 in
1.10 Carats Green Sapphire
Located in Los Angeles, CA
Introducing a Natural Green Sapphire of 1.10 carats, featuring a captivating Rectangle shape with
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Green Sapphire
1.20 Carats Green Blue Sapphire
Located in Los Angeles, CA
assumes a Rectangle shape, showcasing precise measurements of 6.49 x 4.51 x 3.82 mm. Its brilliance is
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Blue Sapphire
4.88 Carats Rubellite
Located in Los Angeles, CA
Identification: Natural Rubellite 4.88 carats
Carat: 4.88 carats
Shape: Rectangle
Measurements
Category
21st Century and Contemporary Unknown Loose Gemstones
Materials
Rubelite
Luminous 2.01ct Ideal Cut Natural Diamond - GIA Certified
Located in רמת גן, IL
sophisticated cut-cornered rectangular shape that combines the geometrical beauty of a rectangle with the
Category
2010s Israeli Loose Gemstones
Materials
Diamond
Natural 12.61 Ct Australian green-blue black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
rectangle shape. We love how bright the green and blue colors are against the black body tone / background
Category
2010s Australian Loose Gemstones
Materials
Black Opal, Opal
Free Shipping
W 0.72 in D 0.25 in L 0.58 in
Natural 4.37 Ct Gem Boulder Opal pair mined by Sue Cooper
Located in BELCONNEN, ACT
Introducing our exquisite narrow rectangle black boulder pair! This rare 3.37 Ct Australian black
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
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
Rectangle Octagon Emerald Gemstone Cocktail Ring Diamond 18 Karat White Gold
Located in IN
Gold. Also 10k, 14k and 18k gold are available for most of the items. Gemstone can be changed as per
Category
21st Century and Contemporary Indian Modern Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
Ruby Diamond 14 Karat Gold Rectangle Ring
By Meghna Jewels
Located in Hoffman Estate, IL
Gold Weight - 7.874 gm
Gemstone - Ruby (1.33 Ct)
Diamond Weight - 1.32 Ct
Gross Weight - 8.406 gm
Category
21st Century and Contemporary Unknown Artisan Band Rings
Materials
Ruby, Diamond, 14k Gold, Gold
Gold Byzantine Gemstone Earrings
Located in Athens, GR
These captivating rectangle-shaped earrings feature two square amethyst gems and a square Swiss
Category
2010s Greek Byzantine Stud Earrings
Materials
Amethyst, Topaz, Blue Topaz, Gold, 18k Gold
NO RESERVE 3ct Rectangle Red Garnet Cocktail Ring
By Hannaboya
Located in Sheridan, WY
.
Product Details:
Gemstone: Natural 3-carat Rectangle Red Garnet
Metal: High-quality Platinum Silver
Ring
Category
2010s African Modern Cocktail Rings
Materials
Garnet, Zircon, Platinum, Sterling Silver
Frederic Sage Rectangle Rutilated Quartz, Tourmaline & Diamond Pendant
By Frederic Sage
Located in Great Neck, NY
Side Rectangle Rutilated Quartz, Tourmaline & Diamond Pendant With Chain, Rutilated Quartz 29.07 Ct
Category
2010s Pendant Necklaces
Green Tourmaline Rectangle Ring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
yet classic beauty with sparkly gemstones and feminine hues. Their contemporary and modern design make
Category
2010s American Contemporary More Rings
Materials
Tourmaline, 18k Gold, Yellow Gold
Green Tourmaline Rectangle Ring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
yet classic beauty with sparkly gemstones and feminine hues. Their contemporary and modern design make
Category
2010s American Contemporary More Rings
Materials
Tourmaline, 18k Gold, Yellow Gold
Emerald Rectangle & Diamond Earring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
an ode to the luxurious yet classic beauty with sparkly gemstones and feminine hues. Their
Category
2010s North American Hoop Earrings
Materials
Diamond, Emerald, 18k Gold, Yellow 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
Rectangle Shaped Diamond & Onyx Cuff Links 14k White Gold
Located in Sugar Land, TX
Rectangle Shaped Diamond & Onyx Cuff links with Brushed Satin Finish in 14k White Gold
These cuff
Category
21st Century and Contemporary North American Cufflinks
Materials
Diamond, Onyx, 14k Gold, White Gold
Ruby & Yellow Sapphire Rectangle Ring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
Tresor Beautiful Ring feature 2.45 carats of Gemstone. The Ring are an ode to the luxurious yet
Category
2010s American Contemporary More Rings
Materials
Emerald, Diamond, Yellow Gold, 18k Gold
Ruby Rectangle & Diamond Round Ring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
to the luxurious yet classic beauty with sparkly gemstones and feminine hues. Their contemporary and
Category
2010s American Contemporary More Rings
Materials
Ruby, Diamond, Yellow Gold, 18k Gold
Rectangle Australian Boulder Opal Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
Minimalist Rectangle Shaped Australian Boulder Opal Diamond Engagement Ring 18K Yellow Gold.
Free
Category
2010s American Artist Engagement Rings
Materials
Diamond, Opal, 18k Gold, Yellow Gold
Dancing Ruby Rectangles Ring, Ruby and Diamond, 14K Yellow Gold, Artistic
By Five Star Jewelry
Located in Austin, TX
Colorless)
Gemstone: Red Ruby
Gemstone Color: Rich Red/Pink
Rectangle Width: 3.80 millimeters / .15 inches
Category
2010s American Modern Fashion Rings
Materials
Ruby, Diamond, 14k Gold, Yellow Gold
Cluster Rectangle Blue Sapphire Diamond Ring in 14k Solid White Gold
By VR Jewels
Located in Houston, TX
DETAILS :-
Material - 14K Solid White Gold
Gemstone - Blue Sapphire
Gemstone Weight - 0.68 ct
Gemstone
Category
21st Century and Contemporary American Art Deco Cluster Rings
Materials
Blue Sapphire, Sapphire, Diamond, White Gold, 14k Gold, Gold
Emerald Rectangle & Pink Sapphire Heart Shape Ring In 18K Yellow Gold
By Tresor Collection
Located in Coral Gables, FL
Tresor Beautiful Ring feature 2.15 carats of Gemstone. The Ring are an ode to the luxurious yet
Category
2010s American Contemporary More Rings
Materials
Emerald, Diamond, Yellow Gold, 18k Gold
Peter Suchy 3.60 Carat Rectangle Aqua Diamond White Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Aquamarine and diamond pendant necklace. 3.60ct rectangle shape Aqua mounted sideways in a 14k
Category
21st Century and Contemporary Pendant Necklaces
Materials
Aquamarine, Diamond, Gold, 14k Gold, White Gold
GIA Certified Rectangle Blue-Green Indicolite Tourmaline & Diamond 18K Gold Ring
By Gad & Co.
Located in Miami, FL
18K yellow gold semi-precious gemstone ring. The center stone is a rectangular-brilliant cut blue
Category
2010s North American Retro Cocktail Rings
Materials
Indicolite, Tourmaline, Diamond, Yellow Gold, White Gold, 18k Gold
Minimal Rectangle Pink Enamel Diamond Hoop Earrings in Solid 14k Yellow Gold
By VR Jewels
Located in Houston, TX
Rectangle Pink Enamel And Diamond Hoops Earring in 14k Gold. A fun, colorful, and personalized
Category
21st Century and Contemporary American Modern Clip-on Earrings
Materials
Diamond, Gold, 14k Gold, Yellow Gold, Enamel, Gold-filled
Free Shipping
W 0.09 in L 0.76 in
0.31 Carat Baguette Diamond Rectangle Ring 14k Yellow Gold Handmade Fine Jewelry
By Spectrum Jewels
Located in IN
the items. Gemstone can be changed as per your preferences.
Your own design is always welcome
Category
21st Century and Contemporary Indian Modern Bridal Rings
Materials
Diamond, 14k Gold, Yellow Gold
14k Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet
Located in ISTANBUL, TR
14K Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet delicate bracelet
Category
2010s Turkish Contemporary Chain Bracelets
Materials
14k Gold
Free Shipping
L 7.68 in
14k Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet
Located in ISTANBUL, TR
14K Gold Bracelet with Bold Chain, 14K Gold Chain Bracelet, Rectangle Bracelet delicate bracelet
Category
2010s Turkish Contemporary Chain Bracelets
Materials
14k Gold
Free Shipping
L 7.68 in
18k Gold Bracelet with Bold Chain, 18k Gold Chain Bracelet, Rectangle Bracelet
Located in ISTANBUL, TR
18K Gold Bracelet with Bold Chain, 18K Gold Chain Bracelet, Rectangle Bracelet delicate bracelet
Category
2010s Turkish Contemporary Chain Bracelets
Materials
18k Gold
Free Shipping
L 7.49 in
14k Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet
Located in ISTANBUL, TR
14K Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet delicate bracelet
Category
2010s Turkish Contemporary Chain Bracelets
Materials
Diamond, 14k Gold
Free Shipping
L 7.49 in
14K Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet
Located in ISTANBUL, TR
14K Gold Bracelet with Bold Chain, 14k Gold Chain Bracelet, Rectangle Bracelet delicate bracelet
Category
2010s Turkish Art Deco Charm Bracelets
Materials
14k Gold
Free Shipping
L 7.49 in
Luxle Rectangle Pendant Necklace with 0.21 Carat Round Diamond in 14k Rose Gold
Located in New York, NY
The Round Luxle Diamond Rectangle Pendant Necklace is definitely the prettiest of all! Crafted in
Category
2010s Contemporary Pendant Necklaces
Materials
Diamond, 14k Gold, Rose Gold
Navajo Sterling Silver .925 Kingman Turquoise 15 x 20mm Rectangle Ring Size 10.5
Located in Las Vegas, NV
Navajo Sterling Silver .925 Kingman Turquoise 15 x 20mm Rectangle Ring Size 10.5
Turquoise, a
Category
Early 2000s American Artisan Solitaire Rings
Materials
Turquoise, Sterling Silver
Natural 1.29 Carat SI/HI Baguette Diamond Rectangle Stud Earrings 10k White Gold
By Spectrum Jewels
Located in IN
the items. Gemstone can be changed as per your preferences.
Your own design is always welcome
Category
21st Century and Contemporary Indian Modern Stud Earrings
Materials
Diamond, 10k Gold, White Gold
Free Shipping
W 0.4 in L 0.56 in
0.60 Carat SI Clarity HI Color Baguette Diamond Rectangle Ring 14k White Gold
By Spectrum Jewels
Located in IN
the items. Gemstone can be changed as per your preferences.
Your own design is always welcome
Category
21st Century and Contemporary Indian Modern More Rings
Materials
Diamond, 14k Gold, White Gold
One of a Kind Rough Lapis Lazuli Rectangle Gold Earrings, Petra Class 2023
By Petra Class
Located in Dallas, TX
. She is endlessly fascinated with all types of gemstones and the variety of colors that they produce
Category
2010s American Artist Dangle Earrings
Materials
Lapis Lazuli, Gold, 18k Gold, 22k Gold, Yellow Gold, Mixed Metal
Free Shipping
W 0.4 in D 0.2 in L 0.99 in
Art Deco Style Ruby and Diamond Rectangle Shape Cocktail Ring in 18K White Gold
Located in Bangkok, TH
: 3.60 g. (approx. total weight)
Gemstone I
Type: Ruby
Shape: Square French Cut
Size: 1.6 – 2.5 mm
Category
21st Century and Contemporary Unknown Art Deco Cocktail Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
18K Two-Tone Gold Gold 1/4 Carat Diamond & Black Onyx Gemstone Halo Stud Earring
Located in New York, NY
: Black
Gemstone MM Size: Cushion Rectangle Black Onyx: 8 x 6mm
Gemstone Weight: 2.14 cttw
Gemstone
Category
21st Century and Contemporary Thai Contemporary Stud Earrings
Materials
Diamond, White Diamond, Onyx, 18k Gold, White Gold, Rose Gold
H 0.4 in W 0.2 in L 0.36 in
Mirrored Pyrite in Turquoise Yellow Gold One of a Kind Ring, Lola Brooks 2022
Located in Dallas, TX
gold featuring a beautiful 14.40 carat rectangle turquoise cabochon accented with distinctive mirrored
Category
2010s American Artist Fashion Rings
Materials
Multi-gemstone, Pyrite, Turquoise, Yellow Gold, 22k Gold, Gold
0.34ct Green Peridot Solitaire Ring 18k Yellow Gold Size 7 Stackable Asprey
By Asprey
Located in McLeansville, NC
Gemstone Information:
- Natural Peridot -
Carats - 0.34ct
Cut - Rectangle
Color - Light Green
Category
21st Century and Contemporary Solitaire Rings
Materials
Peridot, 18k Gold, Yellow Gold
18K Two-Tone Gold 3/4 Ct Diamond with Blue Sapphire & Blue Topaz Dangle Earrings
Located in New York, NY
Rectangle Sky Blue Topaz: 13 x 8mm; Round Blue Sapphire: 2mm
Gemstone Weight: 8.89 cttw
Gemstone Setting
Category
21st Century and Contemporary Thai Contemporary Dangle Earrings
Materials
Blue Sapphire, Blue Topaz, Topaz, White Diamond, Diamond, Rose Gold, Whi...
H 1.07 in W 0.12 in L 0.6 in
Large 43 Carat Yellow Topaz Emerald Step Cut and Diamond Ring in 14k Yellow Gold
Located in Honolulu, HI
Item Specifications:
Metal: 14k Yellow Gold
Ring Size: 7
Ring Weight: 23.0 grams
Gemstone
Category
21st Century and Contemporary Unknown Modern Solitaire Rings
Materials
Diamond, Topaz, 14k Gold, Yellow Gold
Vintage Triple Citrine Ring in 14k Yellow Gold
Located in Honolulu, HI
available for a fee)
Total Weight: 5 Grams
Gemstone Specifications: Citrine
Center Gemstone Measurements
Category
21st Century and Contemporary Chinese Modern Cocktail Rings
Materials
Citrine, Yellow Gold, 14k Gold
18K Two-Tone Gold 3/4 Ct Diamond with Blue Sapphire & Blue Topaz Dangle Earrings
Located in New York, NY
Rectangle Sky Blue Topaz: 13 x 8mm; Round Blue Sapphire: 2mm
Gemstone Weight: 8.89 cttw
Gemstone Setting
Category
21st Century and Contemporary Thai Contemporary Dangle Earrings
Materials
Blue Topaz, Topaz, Blue Sapphire, White Diamond, Diamond, White Gold, Ro...
H 1.07 in W 0.12 in L 0.6 in
3.33ct Rich Green Emerald Stud Earrings 14K Gold R3142
Located in Osprey, FL
rectangle-shaped emerald earrings
♥ The earrings measure 10mm in length, 6.8mm in width, and stand 4.5mm
Category
2010s American Stud Earrings
Materials
Emerald, 14k Gold
14 Karat Gold Pink Mother of Pearl Rhodolite Special Cut Flower Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
rectangular Pink Mother of Pearl pieces seamlessly joined into a single rectangle, creating a mesmerizing
Category
21st Century and Contemporary Indian Contemporary Pendant Necklaces
Materials
Pearl, Rhodolite, 14k Gold
Pink Tourmaline Necklace Handmade Bezels Custom Cut Pink Tourmaline 3.43 Carats
By Five Star Jewelry
Located in Austin, TX
two round gemstones are matching and the rectangle cushion cut center gemstone is set east to west
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Tourmaline, 14k Gold, Rose Gold
Cyntia Miglio Rose Quartz & Diamond Earrings
By Cyntia Miglio
Located in Toronto, Ontario
quartz rectangle shape, cabochon style semi-precious gemstone.
Dimensions:
- 35mm drop
- 2.75 grams
Category
21st Century and Contemporary Brazilian Modernist Drop Earrings
Materials
Diamond, Quartz, 18k Gold
Vintage Green Emerald and Diamond Band Ring in 18k Yellow Gold
Located in Honolulu, HI
available for a fee)
Total Weight: 4.6 Grams
Ring Height: 7.83 mm
Gemstone Specifications:
Gemstone: 1
Category
21st Century and Contemporary Unknown Modern Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Vintage Green Emerald and Diamond Ring in 14k Yellow Gold
Located in Honolulu, HI
available for a fee)
Total Weight: 3.2 Grams
Ring Height: 6.6 mm
Gemstone Specifications:
Gemstone: 1
Category
21st Century and Contemporary Unknown Modern Cocktail Rings
Materials
Emerald, Diamond, 14k Gold, Yellow Gold
Ring with emerald up to 1.50ct and diamonds up to 2.50ct. 18k bicolour gold
Located in The Hague, ZH
of the ring is in a rectangle shape measuring 2.0 cm by 1.5 cm wide and 6.4 mm high
Ring size U.S
Category
2010s Dutch Modern Cluster Rings
Materials
Diamond, Emerald, Gold, 18k Gold
Vintage 12 Carat Blue Aquamarine and Diamond Cocktail Ring 14k Yellow Gold
Located in beverly hills, CA
timeless design, is date back to around 1950.
GEMSTONE: Natural Aquamarine (Beryl)
SHAPE: Rectangle
Category
Mid-20th Century Retro Cocktail Rings
Materials
Diamond, Aquamarine, 14k Gold, Yellow Gold
- 1
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.