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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (741): Red Ruby Gemstones - Ruby, Star Ruby Clear All
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1 pc
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thumb image of 5.7ct Oval Facet Pinkish Red Ruby (ID: 494669)
5.68 ct Ruby
11.2 x 8.9 mm
$ 113.60
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2 pcs
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thumb image of 1ct Round Facet Pinkish Red Ruby (ID: 494968)
0.95 ctw Ruby
4.3 mm
$ 185.73
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50 pcs
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thumb image of 1.2ct Diamond-Cut Violet Red Ruby (ID: 338616)
1.22 ctw Ruby
1.7 mm
$ 144.88
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1 pc
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thumb image of 1.5ct Octagon Step Cut Red Ruby (ID: 459796)
1.47 ct Ruby
7.6 x 4.9 mm
$ 3,632.81
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1 pc
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thumb image of 0.9ct Oval Facet Pink Red Ruby (ID: 483147)
0.93 ct Ruby
6.5 x 4.8 mm
$ 21.39
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1 pc
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thumb image of 5.1ct Round Cabochon Pinkish Red Ruby (ID: 489166)
5.05 ct Ruby
8.2 mm
$ 50.50
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1 pc
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thumb image of 1.1ct Round Facet Pinkish Red Ruby (ID: 496572)
1.09 ct Ruby
5.6 mm
$ 305.20
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2 pcs
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thumb image of 0.7ct Round Facet Pinkish Red Ruby (ID: 494953)
0.74 ctw Ruby
4.3 mm
$ 144.67
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4 pcs
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thumb image of 4.7ct Oval Facet Pinkish Red Ruby (ID: 495384)
4.66 ctw Ruby
7 x 5.1 mm
$ 130.48
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1 pc
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thumb image of 1.8ct Octagon Step Cut Red Ruby (ID: 459798)
1.76 ct Ruby
8.2 x 4.5 mm
$ 3,479.59
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thumb image of 0.9ct Oval Facet Pink Red Ruby (ID: 483242)
0.93 ct Ruby
6.6 x 4.9 mm
$ 21.39
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2 pcs
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thumb image of 0.9ct Round Facet Pinkish Red Ruby (ID: 494963)
0.91 ctw Ruby
4.3 mm
$ 177.91
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1 pc
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thumb image of 1.7ct Octagon Step Cut Red Ruby (ID: 459794)
1.68 ct Ruby
6.4 x 5.2 mm
$ 3,320.00
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1 pc
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thumb image of 0.9ct Oval Facet Pink Red Ruby (ID: 481979)
0.94 ct Ruby
6.3 x 4.1 mm
$ 21.62
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1 pc
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thumb image of 1.8ct Oval Facet Red Ruby (ID: 465386)
1.83 ct Ruby
7.7 x 6 mm
$ 42.09
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2 pcs
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thumb image of 5ct Oval Facet Pinkish Red Ruby (ID: 495794)
5.04 ctw Ruby
9 x 7 mm
$ 100.80
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4 pcs
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thumb image of 2.9ct Oval Facet Pink Red Ruby (ID: 481713)
2.88 ctw Ruby
6 x 4.2 mm
$ 66.24
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thumb image of 5.8ct Oval Cabochon Purplish Red Star Ruby (ID: 473591)
5.79 ct Star Ruby
9.3 x 8.5 mm
$ 63.69
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thumb image of 1.6ct Octagon Step Cut Red Ruby (ID: 459795)
1.55 ct Ruby
8.1 x 4.6 mm
$ 3,065.00
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thumb image of 0.9ct Pear Facet Pinkish Red Ruby (ID: 495512)
0.85 ct Ruby
7 x 5.1 mm
$ 23.80
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thumb image of 1.8ct Oval Facet Red Ruby (ID: 465561)
1.79 ct Ruby
7.9 x 5.8 mm
$ 41.17
Item in Stock
Red Ruby Gemstones
Red Ruby has long-been famed for its remarkable brilliance and silky to vitreous luster, as well as its excellent durability and versatility. Red ruby is without doubt one of the most valuable and wearable of all gemstones as very few gemstone types can even compare to the appealing qualities of fine red ruby. Historically, ruby has been one of the most important gemstone types of all time. In fact, for most of time, all red gemstones were believed to be ruby.

Ruby is composed of corundum, the same material which sapphire is composed of. The name 'corundum' originates from the ancient Sanskrit word 'kuruvindam'. Ruby is the red gem-quality variety of corundum, while all other colors are referred to as 'sapphire'; both gem types are ranked 9 on the Mohs scale of mineral hardness, making them the second hardest natural known substances on earth. Red ruby, along with sapphire, emerald and diamond, is grouped as one of the 'precious four' gems, although the use of the terms precious and semi-precious gems is no longer recognized by most professional gem and jewelry organizations, including the AGTA (American Gem Trade Association). Red ruby gems can be found in various shapes and cutting styles, including rounds, ovals, pears, trillions and fancy hearts. Oval-shaped rubies are most common because oval shapes are typically cut to maximize carat weight, and since most gems are bought and sold on a price per carat basis, the shape greatly affects the end price for retail consumers. Fine quality red rubies can be very expensive, especially gemstones with top color, clarity and cut. Heavily treated rubies, which usually are sourced from Africa, are very affordable gems, especially due to the introduction of fracture-filling treatment, many rubies can be found in very large gem sizes, even gems weighing 10 carats or more.

Most experts agree that ruby from Myanmar (Burma) is the finest ruby available, particularly "pigeon's-blood" ruby mined from the Mogok region of Burma. Red rubies mined from the Mong Hsu region of Burma are also very popular and they often exhibit a slightly bluish or purplish hue. Mong Hsu rubies weren't as well-received by international markets when they were first introduced to the ruby markets just before the turn of the century, especially when compared to the top color seen in the Burmese ruby gems sourced from Mogok. However, after processing them with routine heat treatment, Thai gem suppliers discovered that Mong Hsu Burmese rubies can exhibit excellent color and clarity, often comparable to that of the Mogok Burma ruby. Red star rubies are also a rarity and very valuable, particularly star ruby with sharp, clear asterism. Many of the star rubies available today are sourced from Thailand, as well as Sri Lanka (Ceylon) and Tanzania.

Certified Customer Reviews
Overall Rating -> 10 star ratings
Happy about the experience of the store, a lot of stone urge very nice
Posted By Ginger22 in April, 2018
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Overall Rating -> 10 star ratings
Great products, reasonably priced, always a great shopping experience
Posted By Cas Brown in April, 2018
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Overall Rating -> 10 star ratings
good all is very good
Posted By Arocas in April, 2018
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Overall Rating -> 10 star ratings
Ease of selection- guarantee- honesty
Posted By Curt in April, 2018
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Overall Rating -> 8 star ratings
when I need a colored stone I check gem select. a trusted supplier for at least 10 years for me. many of the online sites have gone black but gemselect continues to satisfy me. oh sure there are many windowed and poorly cut stones here so paying some attention is critical. remember these are not custom cut stones but rather cut by old methods and the aim is to keep weight up at the expense of optical perfection. remember that colored stones are about color as the first consideration. I just wish gemselect offered rough for those who want to cut it.
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Source: Bizrate
Overall Rating -> 10 star ratings
Wow, great site with clear, concise information that is provided in a very user-friendly interface. I feel lucky to have found this given I am about ready to ask my dream girl to marry me. Thanks!
Posted By JJ in April, 2018
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart