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1.47 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.17 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.02 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.54 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.6 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.77 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.13 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.27 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.97 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.21 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.07 Ct Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.01 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

5.18 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.15 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.77 Ct Ruby Pear Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

5.71 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

5.57 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

5.20 Ct Ruby Round Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.08 Cts Ruby Oval Loose Gemstone
Located in Fort Lee, NJ
a vast range of Rubies in our store available as a loose gemstone that can be made into a bespoke
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Ruby

2.58 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.50 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.06 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.23 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

2.51 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.01 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.56 Ct Ruby Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
vibrant collection of Emerald, Ruby & Sapphires in our store available as a loose gemstone & matching your
Category

2010s Malagasy Loose Gemstones

Materials

Ruby

Untreated Ruby Ring, 1.97 carats
Located in New Orleans, LA
Madagascar, the ruby is graded by its accompanying GIA report as unheated, meaning it has not undergone heat
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Yellow Diamond, Ruby, Yellow Gold

7.04 Carat Ruby and Diamond Three Stone Engagement Ring
By Royaal Stones Ltd
Located in Bangkok, Thailand
A classic 7.04 carat natural Ruby from Madagascar and 0.61 carat VS White Diamond three-stone
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Ruby, White Gold, Gold, 18k Gold

GRS Certified 4.0 Carat Vivid Red Ruby Diamond 3-Stone Ring
Located in Greenville, DE
features (1) Oval Vivid Red Ruby from Madagascar weighing 4.0 ct and is flanked by (2) half moon diamonds
Category

21st Century and Contemporary Three-Stone Rings

Materials

Ruby, 18k Gold

Certified 7.04 Carat Ruby and Diamond Three Stone Engagement Ring
By Royaal Stones Ltd
Located in Bangkok, Thailand
A classic 7.04 carat natural Ruby from Madagascar and 0.61 carat VS White Diamond three-stone
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

Vintage Chimento Yellow Gold GIA Pear Ruby Diamond 10.25ctw Panther Necklace
By Chimento
Located in Montclair, NJ
: Red Species & Variety: Natural Corundum - Ruby Geographic Origin: Madagascar Treatment: Heated
Category

20th Century Pendant Necklaces

Materials

Diamond, Ruby, Gold, Yellow Gold

Vintage Chimento Yellow Gold GIA Pear Ruby Diamond 10.25ctw Panther Necklace
By Chimento
Located in Montclair, NJ
: Red Species & Variety: Natural Corundum - Ruby Geographic Origin: Madagascar Treatment: Heated
Category

20th Century Pendant Necklaces

Materials

Diamond, Ruby, Gold, Yellow Gold

Mid Century GIA Ruby Diamond 18 Karat Gold Platinum Three Stone Ring
Located in Beverly Hills, CA
stating the ruby is of Madagascar origin. Accented by two oval cut diamonds with a total weight of
Category

Vintage 1960s Unknown Three-Stone Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Platinum

GIA Certified 1.46 Carat No Heat Ruby Diamond Art Deco Engagement Ring
Located in Santa Barbara, CA
, round ruby from Madagascar is set in a perfect platinum setting. Weighing a bold 1.46 carats, you'll
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Ruby, Yellow Gold, Platinum

SAMUEL KIND SON 1925 Art Deco Ring In Platinum With 4.87 Ctw Ruby Diamonds.
Located in Miami, FL
setting, with 1 round faceted cut natural vivid intense red ruby of 1.17 carats from Madagascar
Category

Vintage 1920s American Art Deco Cocktail Rings

Materials

Diamond, Ruby, White Diamond, Platinum

Dainty Red Ruby Ring w Earth Mined Diamonds in Solid 14K Yellow Gold Oval 5.3x4
Located in Columbus, OH
This ring features a gorgeous pigeon blood red heated ruby from Madagascar, held in place by a
Category

2010s American Modern Engagement Rings

Materials

Diamond, White Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Vivid 9.08 Carat Madagascar Ruby, GRS Certified
Located in Beverly Hills, CA
An exceptional 9.08 carat Madagascar Ruby cushion cut stone. The 9.08 carat Madagascar is one of
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Ruby

1.7ct Madagascar Ruby Ring w Earth Mined Diamonds in Solid 14K Gold Oval 8x6mm
Located in Columbus, OH
This beautiful ring features a 1.70 carat Madagascar Ruby gemstone with natural earth mined
Category

2010s American Modern Cocktail Rings

Materials

Diamond, White Diamond, Ruby, Gold, 14k Gold, Yellow Gold

5.3ct Madagascar Ruby Ring w Earth Mined Diamonds in Solid 14K Gold Round 10mm
Located in Columbus, OH
This beautiful ring features a 5.3 carat round Madagascar Ruby gemstone with two natural earth
Category

2010s American Modern Cocktail Rings

Materials

Diamond, White Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Art Deco Ruby and Diamond Three-Stone Ring, circa 1920s
Located in London, GB
This stunning ring highlights a natural, non-heat treated and Madagascan ruby in the centre. It has
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, Ruby, Platinum

New Madagascar 3.10 Carat Red Ruby Pinkish Ruby Sterling Ring
Located in Eagan, MN
cushion cut stone and is 3.10 Cts The stone 8.5 mm and circled by diamond cut pinkish rubies. The ring
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Silver, Sterling Silver

New Madagascar Red and Pink Ruby Sterling Ring
Located in Eagan, MN
surrounded by diamond cut Pink Rubies and they also run down each side of the band. Sure to get noticed
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Silver, Sterling Silver

New Madagascar 7.9 Ct Red Ruby Sterling Ring
Located in Eagan, MN
Just a beautiful ring! It is a size 6.25 It was mined in Africa. It is an authentic natural stone. It is a highly rated stone. The stone is an oval cut stone and is 7.9 cts. It ...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Silver, Sterling Silver

New Madagascar 7ct Blood Red Ruby, Pink Ruby White Sapphire Sterling Ring
Located in Eagan, MN
an oval cut stone and is 7.0 Cts The main stone is 12 x 9 mm. It has diamond cut Pink Rubies and
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 3.10 Carat Pinkish Ruby Sterling Ring Size
Located in Eagan, MN
cushion cut stone and is 3.10 Cts The main stone is 9 mm. It has diamond cut Rubies stones that are in
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Silver, Sterling Silver

New Madagascar 5.1 Carat Red Ruby Pink Ruby Gold Plated Sterling Ring
Located in Eagan, MN
White Sapphires and has Pink Rubies on the corners and running down the sides of the band. Just a
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Gold Plate, Yellow Gold, Silver, Sterling Silver

New Madagascar 11.4ct Red Ruby White Sapphire Sterling Ring
Located in Eagan, MN
Just a beautiful ring! It is a size 7 It was mined in Africa. It is an authentic natural stone. It is a highly rated stone. The stone is an pear cut stone and is 11.4 cts. It me...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar IF 10.0ct Red Pinkish Ruby Sterling Post Earrings
Located in Eagan, MN
Rubies. The weight in Grams is 6.73. I have many items on auction that have matching pieces. Please
Category

2010s Unknown Art Deco Stud Earrings

Materials

Ruby, Silver, Sterling Silver

New Madagascar IF 17.5ct Red Ruby and Pink Ruby YGold Plated Sterling Earrings
Located in Eagan, MN
Pink Rubies. It's just a great combination of color. The earrings themselves are 17.2 x 14.7 mm. The
Category

2010s Unknown Art Deco Stud Earrings

Materials

Ruby, Gold Plate, Silver, Sterling Silver, Yellow Gold

New Madagascar 2.42 carat Red Ruby Red Sapphire Sterling Earrings
Located in Eagan, MN
These earrings are so cool. They make their own statement. The main stones are from Africa and is just exquisite. They are very high quality stones. They are cabochon stones and a...
Category

2010s Unknown Art Deco Stud Earrings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 3.85ct Red Ruby Rose Gold Plated Sterling Ring
Located in Eagan, MN
. The ruby and rose gold are a terrific color combination. Sure to get noticed. The ring is sizable
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Gold Plate, Silver, Sterling Silver, Rose Gold

New Madagascar 10.90 Carat Red Ruby Red White Sapphire Sterling Ring
Located in Eagan, MN
Rubies and White Sapphire stones that run sround the band. The ring is sizable and can be done by your
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 7.8ct Pinkish Red Ruby Red White Sapphire Sterling Ring
Located in Eagan, MN
has diamond cut Red Ruby stones in the corners and White Sapphires run down the band. The ring is
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 6.50 carat Red Ruby Diamond Cut Sapphire Sterling Earrings
Located in Eagan, MN
These earrings are so cool. They make their own statement. The main stones are from Africa and is just exquisite. They are very high-quality stones. They are oval cut stones and a...
Category

2010s Unknown Art Deco Stud Earrings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 8.5 Carat Blood Red Ruby White Sapphire Sterling Ring
Located in Eagan, MN
What a gorgeous ring! The ring is a size 6.75. It was mined in Africa and is just exquisite. It is an oval cut stone and is 8.5 Cts The main stone is 13 x 11 mm. It has diamond ...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Sapphire, Silver, Sterling Silver

New Madagascar 6.6 Ct Pinkish Red Ruby White Sapphire Sterling Ring
Located in Eagan, MN
Just a beautiful ring! It is a size 6. It was mined in Africa. It is an authentic natural stone. It is a highly rated and Free of any Inclusions. The stone is an oval cut stone a...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Sapphire, Ruby, Silver, Sterling Silver

New Madagascar 1.2 Ct Red Ruby Red Yellow Sapphire Sterling Ring
Located in Eagan, MN
Wow. The color combination in this ring is just fabulous. Just a beautiful ring! It is a size 7 It was mined in Africa. It is an authentic natural stone. It is a highly rated st...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Ruby, Yellow Sapphire, Silver, Sterling Silver

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Madagascar Ruby For Sale on 1stDibs

Surely you’ll find the exact madagascar ruby you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and platinum. As it relates to this specific piece, our collection includes designs that are universally popular, but 1.5 carat and 2 carat carat weights, specifically, are sought with frequency. A madagascar ruby from D and A Style — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes round cut and antique cushion cut alternatives. There aren’t many items for men if you’re seeking a madagascar ruby, as most of the options available are for women and unisex.

How Much is a Madagascar Ruby?

The price for a madagascar ruby starts at $60 and tops out at $150,000 with these rings, on average, selling for $4,780.

The Legacy of Ruby in Jewelry Design

This deep red gem is the color of heat and passion — vintage and antique ruby jewelry is perfect for those born in the middle of summer.

Rubies are one of the few gemstones that can give diamonds a run for their money. Just consider the Van Cleef Arpels “scarf” necklace the Duke of Windsor presented to the Duchess on her 40th birthday, in 1936 — set with diamonds and dripping with rubies, a testament to the deep-red gemstone’s power — or the slippers encrusted with 4,600 rubies that Harry Winston made to commemorate The Wizard of Oz’s golden anniversary. July babies have permission to adorn themselves with this beautiful red stone even when it’s not their birthday.

Rubies are considered precious stones — along with diamonds, sapphires and emeralds — and have a hardness of 9.0 on the Mohs Scale, surpassed only by Moissanite and diamonds. They are composed of corundum, a colorless mineral that is also the basic material of sapphires. In the July birthstone, the red of the gemstone — and the various hues seen in sapphires — are produced by the presence of trace elements. In the case of a ruby, this element is chromium. Rubies range in color from vermilion to a violet red. They are also pleochroic, which means that a stone’s hue can vary depending on the direction of viewing. The most sought-after color is pigeon’s blood: pure red with a hint of blue.

Rubies that are hosted in dolomite marble are the most prized: Because the marble is low in iron, so are the rubies, resulting in a more intense color. Rubies found in basalt, which has a higher iron content, are generally darker and less intense.

When shopping for antique and vintage ruby jewelry, remember that the 4Cs of selecting the perfect diamond — color, clarity, cut and carat — also apply to rubies.

According to the Gemological Institute of America, the color of the July birthstone should be a vibrant to slightly purplish red, and the stone should be clear and inclusion-free. Accordingly, the cut should show off its color and clarity. As for the last criterion, fine rubies more than a carat in weight are rare. Often, large rubies are more expensive than diamonds of comparable weights.

Find a collection of ruby necklaces, ruby rings and other accessories on 1stDibs.

Questions About Madagascar Ruby
  • 1stDibs ExpertApril 5, 2022
    A Madagascar ruby is mined from the island of Madagascar. The island is known to have a wealth of ruby deposits. The rubies found here can be quite large, have good clarity and are an intense, medium-to-deep red color. Shop a variety of Madagascar ruby jewelry on 1stDibs.