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Type 11a Diamonds

Certified Genuine Burmese Green Jadeite Jade Cabochon 4.21ct Diamond Necklace
Located in Wan Chai District, HK
: Fine grain Infrared Spectrum: No resin is detected Conclusion: Natural Fei Cui - Type A 11 Marquise
Category

Late 20th Century Hong Kong Contemporary Drop Necklaces

Materials

Diamond, Jade, Yellow Gold

Recent Sales

Golconda Type 11A Old Cut Marquise Diamond Ring In Platinum, By Bulgari. GIA
By Bulgari
Located in New York, NY
GIA certified Golconda Type 11a old cut Marquise diamond engagement ring beautifully handcrafted in
Category

Vintage 1970s American Contemporary Engagement Rings

Materials

Diamond, Platinum

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18 kt. White Gold Adler Genève 4 Strand Pearl Necklace Choker Diamond Pendant
By Adler
Located in Antwerp, BE
18 kt. White Gold Adler Genève 4 Strand Pearl Necklace / Choker With Gorgeous Diamonds Pendant from Estate Sultan Of Oman Qaboos Bin Said Diamonds: 6 Ct Material: 18 kt. white go...
Category

20th Century Swiss Artisan Multi-Strand Necklaces

Materials

Diamond, Pearl, 18k Gold, White Gold

Emerald 28.00 carats Diamond 18K Gold Fringe Necklace
Located in Miami, FL
Classy 18K white gold draperie necklace, exquisitely crafted with a cascade of natural emeralds and brilliant-cut diamonds. This necklace features eight oval emeralds, each surrounde...
Category

Vintage 1980s North American Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

Early Georgian Pink Topaz Necklace and Earring Demi-Parure Set
Located in Narberth, PA
A demi-parure, "parure" meaning "adorn" in French, is a partial set of matching jewelry designed to be worn en suite. This incredible handcrafted pink topaz necklace and earring set ...
Category

Antique 1750s Unknown Georgian More Necklaces

Materials

Topaz, 18k Gold

Pink Sapphire and Diamond Necklace and Earrings Set Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The pink sapphire and diamond flower necklace consists of 13 articulated flowers set with drop shape faceted sapphires of brilliant color. The flower designs are slightly graduated i...
Category

21st Century and Contemporary Italian Artist More Necklaces

Materials

White Diamond, Pink Sapphire, Diamond, Sapphire, 18k Gold, White Gold

Vintage Aquamarine Diamond Onyx Mauboussin Earrings Necklace Bracelet Suite
By Mauboussin
Located in Dallas, TX
Exceptional one-of-a-kind aquamarine diamond and black onyx suite attributed to Mauboussin Paris and set in 18 karat yellow gold. This impressive suite consists of a necklace, bracel...
Category

Late 20th Century French Link Bracelets

Materials

Aquamarine, Diamond, Onyx, 18k Gold, Yellow Gold

Tiffany Co. Demantoid Garnet Watch Necklace, 14.24 carats
By Tiffany Co.
Located in New Orleans, LA
This exquisite Tiffany & Co. watch pendant epitomizes the luxury of turn-of-the-century jewelry from this renowned maker. The distinctive bow design, crafted circa 1890, and the meti...
Category

Antique 19th Century American Art Nouveau Pendant Necklaces

Materials

Garnet, Diamond, 18k Gold, Silver

Multi-Color Sapphires and Diamond Necklace
Located in New York, NY
An Impressive Necklace in 18kt yellow gold with round brilliant cut diamonds (70 cts apprx) and multi-color oval cut sapphires (26 cts apprx). Made in the USA, circa 1970s.
Category

Vintage 1970s American Link Necklaces

Materials

White Diamond, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, ...

Important Yellow Sapphire and Diamond Cluster Brooch/Ring
Located in London, GB
An Important Victorian yellow sapphire and diamond brooch/ring, the natural sapphire weighing 31.58 carats, accompanied by GCS Report stating to be of Sri Lankan origin with no indic...
Category

Antique Late 19th Century British Late Victorian Cluster Rings

Materials

Diamond, Yellow Sapphire, 18k Gold, Yellow Gold, Silver

AIG Certified 118.61 Ct Zambian Emeralds 10.48 Ct Diamonds 18k Gold Necklace
Located in New Delhi, Delhi
An exceptional Art Deco style parure, complete with earrings and necklace, so stunning and refined , a very piece of art. Necklace come in 18k gold with natural Zambian Emeralds ,ex...
Category

21st Century and Contemporary Multi-Strand Necklaces

Materials

Diamond, Emerald, 18k Gold

Emilio Jewelry 66.00 Carat Emerald Diamond Necklace
By Emilio!
Located in New York, NY
From the vault at Emilio Jewelry located on New York's iconic Fifth Avenue, Featuring an astonishing array of high quality emeralds and diamonds to create this red carpet necklace. ...
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

Rare Himalayan Mountain Emerald and Diamond convertible Tiara/Necklace
Located in Hong Kong, HK
A very beautiful and unique tiara that also converts into a necklace. It features 3 stunning GRS-certified natural emerald beads weighing a total of 27.05 carats, embellished with ...
Category

2010s Hong Kong Contemporary More Necklaces

Materials

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

Fine Diamond and Cultured Pearl Necklace
Located in London, GB
A fine early Victorian diamond detachable centrepiece set with an old-cut diamond surrounded by eight diamond-set petals, all within an ornate openwork scroll design plaque suspendi...
Category

Antique 1840s British Early Victorian Multi-Strand Necklaces

Materials

Diamond, Cultured Pearl, 14k Gold, 18k Gold, Silver

37 Ct Oval Shape Natural Emerald 22 Carat Diamond Necklace Earring Suite
Located in New York, NY
Approximately 37 Ct Oval Shape Natural Emerald and Approximately 22 Carats Diamond Necklace and Earring Bridal Suite, Estate This spectacular Bridal set consisting of 29 stones of...
Category

20th Century Drop Necklaces

Materials

Diamond, Emerald, 14k Gold

Roman Malakov 115.20 Carats Total Mixed-Cut Diamond Cluster Necklace in Platinum
By Roman Malakov
Located in New York, NY
A luxurious necklace, showcasing pear shape and marquise cut diamonds weighing a stunning 115.20 carats total, set in an intricate open-work design. Finely made with platinum. Perfec...
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, Platinum

1980s GIA Emerald Diamond Choker Pendant Necklace
Located in Miami, FL
This artistically designed pendant necklace with distinctly cut diamonds and a prominent GIA Certified Genuine emerald is crafted in solid 18K white gold, weighing 68.5 grams and mea...
Category

Vintage 1960s Art Deco Drop Necklaces

Materials

Diamond, Emerald, 18k Gold

Diamond Sapphire Adjustable Necklace
Located in West Palm Beach, FL
The intricate detail featured in the creation of this Diamond Sapphire Adjustable Necklace is just one of its many striking attributes. There are 25cts of sparkling white diamonds se...
Category

20th Century Unknown Art Deco Chain Necklaces

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Diamond Sapphire Adjustable Necklace
Diamond Sapphire Adjustable Necklace
$58,000
W 0.57 in L 17 in
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Type 11a Diamonds For Sale on 1stDibs

Browse a vast assortment of type 11a diamonds for sale on 1stDibs. These distinct designs — crafted with great care and often made from gold, yellow gold and white gold — can elevate any look. Our selection of items includes 181 vintage examples as well as 633 contemporary versions. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. There are many different pieces in our collection of type 11a diamonds to choose from, but contemporary and modern type 11a diamonds are of considerable interest. Many examples in our inventory of these items are appealing no matter their origins, but Oshi Jewels, Five Star Jewelry and Rolex produced popular versions that are worth a look. Lovers of these pieces agree that it’s a versatile accessory, but a selection from our variety of 660 diamond versions can add an especially stylish touch. There are many round cut, oval cut and emerald cut type 11a diamonds for sale. When shopping our range of type 11a diamonds, you’ll find that there are less available pieces for men today than there are for women.

How Much are Type 11a Diamonds?

Prices for type 11a diamonds start at $70 and top out at $1,900,000 with these rings, on average, selling for $3,315.

A Close Look at Contemporary Jewelry

Contemporary jewelry is inextricably linked with the moment in which it is created, frequently reflecting current social, cultural and political issues such as environmental consciousness, identity and sustainability. It’s informed by fashion trends, from the chokers of the 1990s to the large chain necklaces of the early 2000s.

Jewelry is one of the oldest forms of adornment. Lockets made of silver or gold have been treasured gifts for hundreds of years, for example, and charm bracelets, which have existed since prehistoric times, didn’t become especially popular until the 19th-century reign of Queen Victoria. For many centuries, fine jewelry was used primarily to express wealth or status through lavish materials. Then, in the 1960s, a concept known as the “critique of preciousness” emerged, with jewelers creating pieces that did not get their value from gemstones or precious metals. Instead, it was the jeweler’s artistic vision that was prized and elevated.

This shift still informs Contemporary jewelry being made by artists today. Whether they are using cheap, found materials and working with provocative geometric shapes or seeking out the rarest stones, they are imbuing their work with meaning through their skills, techniques and ideas. Innovative designers such as Elsa Peretti, who popularized sculptural sterling-silver jewelry for Tiffany Co., and David Yurman, who twisted metal into the simple yet striking Cable bracelet, have also influenced the direction of Contemporary jewelry’s forms and aesthetics.

Meanwhile, technological advancements like metal alloys and laser engraving have led to new possibilities in jewelry design. Now, edgy makers and brands as well as minimalist designers are pushing Contemporary jewelry forward into the 21st century.

Find a collection of Contemporary rings, earrings, necklaces and other jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

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