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World Rare Diamonds

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GIA Certified 1.08 Carat Emerald Cut Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
Rare natural vivid yellow diamond 1.08 carat emerald cut, a rare shape in over 1.00 carat diamond
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

GIA Certified 1.01 Carat Pear Shape Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
connoisseurs the world over. It’s called Zimmi, and it’s in the Mano River region of Sierra Leone. Diamonds
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

GIA Certified 1.26 Carat Oval Brilliant Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
An impressive natural vivid yellow diamond 1.26 carat oval brilliant cut, rare in over 1.00 carat
Category

2010s Sierra Leonean Modern Loose Gemstones

Materials

Diamond

NO RESERVE! 1.48Ct Tanzanite & 0.25Ct Pink Diamonds 14 kt. White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, Pink Diamond, 14k Gold, White Gold

NO RESERVE! 12.43cttw Tanzanite & 1.10Ct Diamonds - 14k White Gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, White Gold, 18k Gold

NO RESERVE! 3.05Ct Tanzanite and 0.05Ct Diamonds 14 kt. White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, 14k Gold, White Gold

NO RESERVE! 3.00Ct Tanzanite and 0.05Ct Diamonds 14 kt. Yellow gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, 14k Gold, Yellow Gold

NO RESERVE! 2.78Ct Tanzanite and 0.02Ct Diamonds - 14 kt. Pink gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, 14k Gold, Rose Gold

$1 NO RESERVE! 1.85Ct Tanzanite & 0.25Ct Diamonds - 14 kt. White gold - Ring
By Diamonds Mine
Located in Ramat Gan, IL
Kong and the USA the VAT is 0%. Tanzanite is an extremely rare gemstone, found in a single location in
Category

2010s Israeli Art Deco Wedding Rings

Materials

Diamond, Tanzanite, White Gold, 14k Gold

NO RESERVE! 2.73 Carat Tanzanite & 0.11 Ct Diamonds - 14k White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, 14k Gold, Yellow Gold

10.30 Carat Tanzanite and 1.25Ct Diamonds Halo - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, White Gold, 18k Gold

Supat Mine eyeclean Peridot Saphire Ring 9ct AAA+ rare World Famous Apple Green
Located in Viena, Viena
Ring of superlatives with a top investment gemstone AAA+, peridot from the rare Supat mine in
Category

2010s Italian Modern Cocktail Rings

Materials

Sapphire, Peridot, 18k Gold, White Gold

Rare Paraiba Tourmaline & Diamond Ring
Located in Mill Valley, CA
an Art Deco-inspired setting, you'll find an exceptionally rare oval-cut Paraiba tourmaline, cradled
Category

2010s Mozambican Art Deco Cocktail Rings

Materials

Paraiba, Diamond, Tourmaline, 18k Gold

Rare Chrome Sphene & Diamond 18K Ring
Located in Mill Valley, CA
This is a rare and spectacular sphene. Its origin is Madagascar, and due to its chromium content
Category

2010s Malagasy Contemporary Cocktail Rings

Materials

Diamond, 18k Gold

Rare 17.8 Ct Sphene & Diamond Ring
Located in Mill Valley, CA
, adorned with an array of colorless, pave-set diamonds. This Sphene gemstone is a true rarity, hailing
Category

2010s Pakistani Contemporary Cocktail Rings

Materials

Diamond, 18k Gold

Rare 1947 Palladium / Diamond Dial 19 Jewel
By Hamilton
Located in Raleigh, NC
foundation for you to understand what I have listed. This is a “Palladium Cased – Diamond Dial” Hamilton from
Category

Vintage 1940s American Art Deco Wrist Watches

Materials

Diamond

Rare 1947 Palladium / Diamond Dial 19 Jewel
Rare 1947 Palladium / Diamond Dial 19 Jewel
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W 0.87 in Dm 1.5 in
NWT $21, 000 Rare Important 18KT Gold Fancy Black Diamond White Diamond Necklace
Located in New York, NY
The Following Item we are offering is a Rare 18KT Gold Rare Fancy Black Diamond White Diamond Long
Category

21st Century and Contemporary Drop Necklaces

Materials

Diamond, White Diamond, Black Diamond, Gold, 18k Gold

NWT $55, 000 Rare Important 18KT Gold Fancy Black Diamond White Diamond Bracelet
Located in New York, NY
The Following Item we are offering is a Rare 18KT Gold Rare Fancy Multi Strand ROW Black Diamond
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, White Diamond, Black Diamond, Gold, 18k Gold

NWT $12, 500 Rare Important 18KT Gold Black Diamond Heart Diamond Ring Band
Located in New York, NY
The Following Item we are offering is a Rare 18KT Gold Rare Fancy HEART Diamond and Black Diamond
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Black Diamond, White Diamond, Gold, 18k Gold

NWT $5, 750 Rare Important 18KT Black Diamond Fancy Yellow Diamond Ring Band
Located in New York, NY
The Following Item we are offering is a Rare 18KT Gold Rare Fancy Yellow Diamond Black Diamond Ring
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Yellow Diamond, Black Diamond, Gold, 18k Gold, Yellow Gold

Rare Himalayan Mountain Emerald and Diamond convertible Tiara/Necklace
Located in Hong Kong, HK
Rare Himalayan Mountain Emerald and Diamond convertible Tiara/Necklace A very beautiful and unique
Category

2010s Hong Kong Contemporary More Necklaces

Materials

Diamond, White Diamond, Emerald, Gold, 18k Gold, White Gold

Victorian Diamond Pearl Rare Holbeinesque Necklace 18 Kt
Located in Napoli, IT
combination of enamelling and diamond set, lovely chains completing the piece 2.05 Ct of old mine cut Diamonds
Category

Antique Late 19th Century European Renaissance Revival Pendant Necklaces

Materials

Diamond, Pearl, 18k Gold, Platinum

Victorian Diamond Pearl Rare Holbeinesque Necklace 18 Kt
Victorian Diamond Pearl Rare Holbeinesque Necklace 18 Kt
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H 2.17 in W 1.38 in L 16.93 in
NWT $11, 500 Rare Important 18KT 5 Row Black Diamond White Diamond Ring Band
Located in New York, NY
The Following Item we are offering is a Rare 18KT Gold Rare Fancy FIVE ROW Black Diamond White
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, White Diamond, Black Diamond, Gold, 18k Gold

Magnificent & Rare Bulgari Diamond 18K White Gold Wide Bracelet
By Bulgari
Located in New York, NY
captivates hearts—a breathtaking creation known as the Bulgari Diamond Bracelet. This exquisite piece of
Category

20th Century Link Bracelets

Materials

Diamond, 18k Gold

Rare 2.9 carat Burmese Red Spinel & Diamond 18K Ring
Located in Mill Valley, CA
Discover the Rare and Dazzling Red Spinel Gemstone Did you know that red spinel gemstones are over
Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Spinel, 18k Gold

Rare Gibeon Meteorite and Gold Cufflinks with Yellow Diamonds
Located in Cincinnati, OH
Pair of Gold and Yellow Diamond cufflinks with Gibeon Meteorite. A pair of 7/8" amoeba shaped 18k
Category

Vintage 1980s Unknown Cufflinks

Materials

Yellow Diamond, Gold, 18k Gold

Rare Mughal Enamel and Diamond Cup, Early 19th Century
Located in Idar-Oberstein, DE
A rare Mughal Enamel and Diamond Cup, early 19th Century The Mughal cup is finely decorated with a
Category

Antique Early 19th Century Indian Georgian Enamel Frames and Objects

Materials

Diamond, 22k Gold, Enamel

Rare Mughal Enamel and Diamond Cup, Early 19th Century
Rare Mughal Enamel and Diamond Cup, Early 19th Century
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H 3.55 in W 1.78 in L 2.37 in
Rare 15 Ct Kashmir Mint Tourmaline & Diamond 18K Ring
Located in Mill Valley, CA
Carpet Step into the world of extravagance and allure with the Kashmir "Mint" Indicolite Tourmaline Ring
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold

Muzo Emerald diamond ring 18KT RARE GRS certified Muzo green
Located in Boca Raton, FL
with natural emeralds and diamonds in stunning pave design. This ring is one of a kind in the world
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald

5 Carat No Heat Burma Ruby Diamond Ring
By Diamond Scene New York
Located in New York, NY
A RARE FIND!!! Unheated 5.29 carat "Pigeon's Blood" Red Ruby from Mogok, Burma. Burma has long
Category

21st Century and Contemporary Cocktail Rings

Materials

Ruby

SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
By MOISEIKIN
Located in Hong Kong, HK
The year 2022 is the perfect time to explore the world and challenge new things. Don't sit and
Category

2010s Russian Contemporary Figurines and Sculptures

Materials

Diamond, Jade, Silver

SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
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H 3.15 in D 2.37 in L 5.32 in
SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
By MOISEIKIN
Located in Hong Kong, HK
The year 2022 is the perfect time to explore the world and challenge new things. Don't sit and
Category

2010s Russian Contemporary Figurines and Sculptures

Materials

Diamond, Jade, Silver

SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
SV925 Tiger Miniature with Rare White Nephrite and Diamond Eyes
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H 3.15 in D 2.37 in L 5.32 in
Rare 18K Gold, Enamel and Diamond Mounted Carved Labradorite Turkey Bird
Located in New York, NY
A rare 18K gold, enamel and diamond mounted carved labradorite turkey bird sculpture on a petrified
Category

20th Century German Figurines and Sculptures

Materials

Diamond, Labradorite, 18k Gold, Enamel

Fancy Light Green Diamond ring 18KT white gold Rare engagement ring
Located in Boca Raton, FL
One of a kind engagement ring made with one single fancy light green diamond and a halo of white
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

9.23ct Tanzanite & 0.23ct Diamond Ring-Pear Shape-18KT Gold-GIA Certified-Rare
Located in London, GB
an exceptional example of the treasures that lie beneath the earth. Rarer than diamonds by 1,000
Category

2010s African Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

NWT $26, 800 Rare White Gold Gorgeous Fancy Large Blue Sapphire Diamond Earrings
Located in New York, NY
Gorgeous Fancy Blue Sapphire Diamond Draped Dangle Earrings. Earrings consists of Rare Fine Magnificent
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Gold, White Gold

Platinum Diamond GIA Certified 8.70 Carat Rare Australian Black Opal Ring
Located in Los Angeles, CA
lustrous Lightning Ridge Australian Black Opal cabochon surrounded by beautiful baguette diamonds in a
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Black Opal, Platinum

NWT 185, 000 Rare White Gold Gorgeous Fancy Large Blue Sapphire Diamond Necklace
Located in New York, NY
Gorgeous Fancy Blue Sapphire Diamond Draped Necklace. Necklace consists of Rare Fine Magnificent Glittering
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Gold, White Gold

NWT $92, 100 Rare 18KT Gold Fancy 20CT Ceylon Blue Sapphire Diamond Bracelet
Located in New York, NY
Gorgeous Fancy Ceylon Blue Sapphire Diamond Bracelet. Bracelet consists of Rare Fine Magnificent Glittering
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, White Gold

NWT $62, 500 Rare White Gold Gorgeous Fancy Large Blue Sapphire Diamond Earrings
Located in New York, NY
Gorgeous Fancy Blue Sapphire Diamond Draped Dangle Earrings. Earrings consists of Rare Fine Magnificent
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Gold, White Gold

NWT $136, 000 Rare 18KT Gold Fancy Sapphire Emerald Rose Cut Diamond Bracelet
Located in New York, NY
Gorgeous Fancy Blue Sapphire , Emerald, Rose Cut, Gem Apatite Diamond Bracelet. Bracelet consists of Rare
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Emerald, Sapphire, Gold, White Gold

"Costis" Rare Emerald GRS Certified 27.56 Ct, Zambia Pear Cut, Diamonds Necklace
Located in Athens, GR
"Costis" Very Rare Emerald 27.56 Carats Pendant Necklace, 18K White Gold, from Zambia, Pear Cut
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold

Rare Green Tanzanite 12.68 Carat Cushion In Platinum 950 & Baguette Diamond Ring
By Gad & Co.
Located in Miami, FL
Vintage Platinum 950 ring with a rare 12.68-carat green tanzanite, complemented by two baguette-cut
Category

20th Century North American Art Deco Cocktail Rings

Materials

Diamond, Tanzanite, Platinum

NO RESERVE! 2.79 Carat Tanzanite - 14 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Tanzanite is an extremely rare gemstone, found in a single location in the world, at the foothills
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Tanzanite, 14k Gold, White Gold

Rare 3ct Carat Tsavorite Garnet Diamond Halo Ring 18ct White Gold Valuation
Located in Mona Vale, NSW
stones of this size, colour and clarity is very rare and we are thrilled to be able to offer it to you
Category

2010s Tanzanian Modern Engagement Rings

Materials

Diamond, Garnet, Tsavorite, White Gold

Necklace 22Kt Yellow Beaded Gold with a Rare Hand Carved Αmethyst and Diamonds
By Nicofilimon the Jewelry Designer
Located in Athens, GR
One of a kind Necklace, in 22Kt yellow gold with a Rare Hand Carve amethyst and diamond. This
Category

2010s Greek Modern Pendant Necklaces

Materials

Amethyst, Diamond, Gold, 22k Gold, Yellow Gold

Huge Rare 45.44 Carat Black on Red Australian Opal and Diamond Pendant Necklace
Located in Tustin, CA
Very showy, finest rare gem quality, 18 karat white and yellow gold huge natural Australian black
Category

21st Century and Contemporary Australian Artisan Pendant Necklaces

Materials

Diamond, Opal, 14k Gold, 18k Gold, White Gold, Yellow Gold

Rare 18ct Ruby and Diamond Pocket Watch with Elaborate Mountings and Jewels
Located in London, GB
mounting and bezels. There are 6 rubies at the front and 6 old European cut diamonds at the back. The
Category

Vintage 1970s European Retro Pocket Watches

Materials

Diamond, Ruby, 18k Gold, White Gold

IGI Certified Rare 25.49 Carat Burma Ruby & Diamond Ring in 18K White Gold
Located in KOWLOON, HK
Behold the magnificence of this IGI certified 25.49ct Ruby & 3ct Natural Diamonds Ring in 18K White
Category

2010s Hong Kong Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Rare GIA Certified Type 2A I Flawless 6.00 Carat Natural Pink Oval Diamond Ring
Located in Tustin, CA
structure of the stones. They represent only 1% - 2% of all diamonds in the world. The pink diamond ring
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Diamond, Pink Diamond, 18k Gold, Rose Gold, White Gold

Rare Mariposa Vivid Green Muzo Old Mine Colombian Emerald and Diamond Stack Ring
By Gad & Co.
Located in Miami, FL
set bears a total gram weight of 8.47 grams, total emerald weight of 2.67 carats, and a total diamond
Category

21st Century and Contemporary Colombian Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold, Yellow Gold

Rare 18K Gold, Enamel and Diamond Mounted Carved Labradorite Turkey Bird
By Manfred Wild
Located in New York, NY
A rare 18K gold, enamel and diamond mounted carved labradorite turkey / Capercaillie bird sculpture
Category

20th Century German Mounted Objects

Materials

Gold, Enamel

Rare 2.48 Carat Paraiba Tourmaline and Diamond Ring set in Platinum
By David Meelheim Designs
Located in Houston, TX
Set in platinum, this rare Paraiba tourmaline gem centered between two diamond baguettes. Can be
Category

2010s American Engagement Rings

Materials

Tourmaline, Platinum

Rare Art Deco Dining/Conference Table in the Shape of an Octagonal Diamond
Located in Antwerp, BE
, Belgium is the diamond capital of the world. Made of walnut and of exceptional rare quality. The octagonal
Category

Vintage 1910s Belgian Hollywood Regency Dining Room Tables

Materials

Metal

Rare Art Deco Dining or Conference Table in the Shape of an Octagonal Diamond
Located in Antwerp, BE
diamond capital of the world. Made of walnut and of exceptional rare quality. The octagonal diamond is a
Category

Early 20th Century Belgian Art Deco Dining Room Tables

Materials

Metal

GIA Certified 6 Carat Thai Ruby Mirror Clean Rare Investment Ring PT 900
By Malpani Jewels
Located in Hung Hom, HK
First referenced in 1408, Thai Ruby once fulfilled 95 percent of the world's demand for this
Category

2010s Hong Kong Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Diamond Ring
By Vitale 1913
Located in Monte-Carlo, MC
ANNIVERSARY Ring Baiser Eternel in white gold 18Kt 2.90 gr with Natural Round Diamond G/H Color SI1
Category

2010s Italian Contemporary Band Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Diamond Ring
Diamond Ring
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Diamond Ring
By Vitale 1913
Located in Monte-Carlo, MC
ANNIVERSARY Engagement Ring in white gold 18Kt 1.60 gr with round natural diamond G color VS
Category

2010s Italian Contemporary Band Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Diamond Ring
Diamond Ring
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Rare 7.63 Carat No Heat Burmese Sapphire Ring
Located in Nantucket, MA
. This stunning sapphire is flanked by a pair of white Cadillac-shaped side diamonds weighing .73cttw, F
Category

2010s Burmese Modern Engagement Rings

Materials

Sapphire, Platinum

Hirsh Riviera Pink Diamond and White Diamond Necklace
Located in London, GB
beautiful, romantic colour but because they are so rare. 90 percent of the world’s natural pink diamonds
Category

2010s British Contemporary Choker Necklaces

Materials

Diamond, White Diamond, Pink Diamond, 18k Gold, Rose Gold, White Gold

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World Rare Diamonds For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of world rare diamonds. Frequently made of gold, 18k gold and white gold, these items were constructed with great care. Our collection of these items for sale includes 597 vintage editions and 1656 modern creations to choose from as well. Our inventory has long been popular, and it includes earlier versions that date to the 18th Century and newer variations that were made as recently as the 21st Century. contemporary and modern are consistently popular styles when it comes to world rare diamonds. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Emilio!, Antinori Fine Jewels and David Yurman are consistently popular. Many pieces in our collection are stylish for most occasions, but diamond versions, from our inventory of 1613, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for round cut world rare diamonds and are unable to find the perfect match, our selection also includes oval cut and cushion cut alternatives. When shopping our range of world rare diamonds, you’ll find that there are less available pieces for men today than there are for women.

How Much are World Rare Diamonds?

On average, world rare diamonds at 1stDibs sell for $9,509, while they’re typically $11 on the low end and $6,675,000 for the highest priced versions of this item.
Questions About World Rare Diamonds
  • 1stDibs ExpertMay 3, 2024
    The oldest known diamonds in the world are Diavik and Ekati diamonds. Both come from mines located in Canada. Scientists have determined that these diamonds are between 3.3 and 3.5 billion years old. They actually predate the point in the Earth's history before oxygen levels rose high enough to support life. On 1stDibs, shop a wide variety of diamond jewelry.
  • 1stDibs ExpertJune 15, 2023
    Vivid yellow diamonds are extremely rare. In fact, only one out of every 10,000 carats of diamonds mined is yellow. However, yellow is the most common type of colored diamond, accounting for 60% of all colored diamonds. On 1stDibs, find an assortment of yellow diamond jewelry.
  • 1stDibs ExpertApril 5, 2022
    Argyle pink diamonds are generally thought of as very rare. This is because pink diamonds account for less than 1 percent of the diamonds mined from the area in Western Australia. You'll find a collection of Argyle pink diamond gemstone jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.