Search Fine Minerals for Sale Online - The Arkenstone




 
Status:
     
 
      Help   Size Specs

 

Displaying 1-20 of 20

Available


Displaying exquisite adamantine luster limpid clarity uncut 3 32 carat
South Africa
Thumbnail, 1.2 x 1.2 x 0.2 cm
Displaying exquisite adamantine luster and limpid clarity, this uncut 3.32 carat colorless, diamond is a superb example of a macle twin (flattened twin) in diamonds. Specimens of this full thumbnail collectible size are increasingly uncommon, and generally are older specimens from collections already in the USA. A superb, competition-level thumbnail specimen.
0 63 carats sharp gemmy transparent diamond crystal showing exemplary
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.6 x 0.5 x 0.3 cm
0.63 carats, this is a very sharp, gemmy, transparent diamond crystal showing exemplary macle twin form.
0 66 carats fine example totally gemmy sharp macle twinned diamond
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.7 x 0.1 cm
0.66 carats, this is a very fine example of a totally gemmy, sharp macle-twinned diamond crystal.
0 89 carats fat macle twinned diamond crystal sharp edges slight straw
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.6 x 0.3 cm
0.89 carats, fat macle-twinned diamond crystal with sharp edges and a very slight straw yellow color tint.
0 85 carats sharp fat extra lustrous diamond showing triangular shape
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.7 x 0.2 cm
0.85 carats sharp, fat, extra-lustrous diamond showing the triangular shape of a macle twin.
1 36 carats diamond crystal showing fat center triangular shaped macle
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.7 x 0.3 cm
1.36 carats diamond crystal showing a very fat center to this triangular-shaped macle twin crystal habit.
1 57 carats natural diamond crystal twinned really nice edge
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.7 x 0.4 cm
1.57 carats natural diamond crystal, twinned, with really nice edge modifications!
0 90 carats natural macle twinned diamond crystal natural triangular
Udachnaya pipe, Daldyn, Sakha Republic, Eastern-Siberian Region, Russia
Thumbnail, 0.7 x 0.7 x 0.2 cm
0.90 carats natural macle twinned diamond crystal with natural triangular edges so sharp, they look cut and polished! A very fine stone for setting for jewelry, in particular. SUPERB luster and transparency on this one!
A choice textbook diamond cube large size weighing hefty 18 75 carats
South Africa
Thumbnail, 1.1 x 1.1 x 1.0 cm, 18.75 ct
A choice, textbook diamond cube of large size, weighing in at a hefty 18.75 carats. The crystal has edges that range from 1.0 to 1.1 cm. When even minimally backlit, there is a nice translucency and color, and it exhibits the textbook adamantine luster of the native diamond crystal described but seldom seen. Complete all around!
This beautiful glassy gemmy colorless macle twin diamond weighing 3 28
South Africa
Thumbnail, 1.1 x 0.9 x 0.4 cm
This is a beautiful glassy and gemmy, colorless, 'macle' twin diamond weighing 3.28 carats. The crystal exhibits the wondrous adamantine luster found only in diamond, and a few other mineral species. A macle is a naturally twinned diamond, and is sturdy and appealing enough visually to be used in jewelry (as part of new trends involving the use of natural crystals). But, this is ALSO a truly fine ... Read more
This stone sharp cube want 1 cm sized thumbnail specimen It riveting
Mir Pipe, Sakha Republic, Yakutia, Eastern-Siberian Region, Russia
Thumbnail, 1.1 x 1.0 x 1.0 cm
This stone is as sharp a cube as you can want and is a full 1-cm-sized thumbnail specimen. It has a riveting adamantine luster and weighs 14.87 cts. Joe Budd photos.
3 6 carats Very gemmy slightly fancy color
Argyle mine (Argyle AK1 pipe), Lake Argyle area, Kimberley, Western Australia, Australia
Thumbnail, 0.9 x 0.8 x 0.8 cm
3.6 carats. Very gemmy with slightly fancy color
A rare Brazilian specimen gemmy glassy lightly frosted 4 mm triangular
Diamantina, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
Small Cabinet, 7.6 x 5.4 x 4.8 cm
A rare Brazilian specimen of a gemmy, glassy and lightly frosted, 4 mm, triangular diamond crystal nestled amongst conglomerate river pebbles and cobbles from the Diamantina River of Minas Gerais. These alluvial diamonds, deposited into conglomerates over time, are the reason this region of Brazil was named after an old-time diamond rush. Seldom are such specimens preserved. This one, amazingly, h... Read more
This literally spherical diamond 11 23 carats size just hair 1 cm
Diamantina, Jequitinhonha valley, Minas Gerais, Brazil
Thumbnail, 1.0 x 1.0 x 1.0 cm
This is a literally spherical diamond, 11.23 carats in size and just a hair over 1 cm in diameter. It would be considered relatively large for its style, called "ballas" in diamond classification. Although round, it is not rounded by erosive forces and occurred like this naturally. According to Wikipedia's article on diamonds, at Read more
Diamonds occur virtually color rainbow including black prized extreme
Africa
Gems and Jewelry, 4.7 mm; 0.26 carats
Diamonds occur in virtually every color of the rainbow (including black) and are prized for the extreme durability and fire. This particular stone has a light honey color and is only very slightly included with a Triangle cut. The color in this gem is natural, which is rare in most colored Diamonds. It would fit nicely into a faceted Diamond suite.
Diamonds occur virtually color rainbow including black prized extreme
Africa
Gems and Jewelry, 3.2 x 3.0 mm; 0.20 carats
Diamonds occur in virtually every color of the rainbow (including black) and are prized for the extreme durability and fire. This particular stone has a strong yellow color and is only very slightly included with a Rectangle cut. I cannot say for certain if the color is natural, but it is certainly vibrant for the species. It would fit nicely into a faceted Diamond suite.
Diamonds occur virtually color rainbow including black prized extreme
Africa
Gems and Jewelry, 2.9 mm; 0.09 carats
Diamonds occur in virtually every color of the rainbow (including black) and are prized for the extreme durability and fire. This particular stone has a honey color (with a golden overtone) and is only very slightly included with a "Round" cut. The color in this gem is natural, which is rare in most colored Diamonds. It would fit nicely into a faceted Diamond suite.
3 carats
Argyle mine (Argyle AK1 pipe), Lake Argyle area, Kimberley, Western Australia, Australia
Thumbnail, 0.8 x 0.7 x 0.7 cm
3 carats
3 3 carats
Argyle mine (Argyle AK1 pipe), Lake Argyle area, Kimberley, Western Australia, Australia
Thumbnail, 0.9 x 0.8 x 0.8 cm
3.3 carats
A superb equant incredibly sharp diamond crystal looks naturally cut
South Africa
Thumbnail, 1.2 x 1.2 x 0.15 cm
A superb, equant, incredibly sharp diamond crystal that looks naturally cut due to the rare macle-twinning. Rare in such size, in specimens! I have not been able to obtain a large macle like this in 2 years or so and the availability of raw uncut diamonds of such size is seemingly going down due to changes of price and infrastructure in the diamond market. MORE CLEAR In PERSON!