Caucasian Loose Gemstones

Russian alexandrite rough crystal, chrysoberyl raw crystal sku682 Size: 12x9x9 mm Weight: 9.78 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountains,...

Russian alexandrite rough crystal, chrysoberyl raw crystal sku674 Size: 15x10x10 mm Weight: 12 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountains, ...

Faceted blue sapphire sku450 Weight: 1.62 cts  Size: 7.6x5.5x3.8 mm Color: blue Origin: Sri Lanka Treatment heated, excellent cutting

Russian alexandrite rough crystal, chrysoberyl raw crystal sku675 Size: 16x13x10 mm Weight: 17.5 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountai...

Russian alexandrite rough crystal, chrysoberyl raw crystal sku676 Size: 14x10x8 mm Weight: 12.56 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountain...

Certified Faceted emerald sku214 Weight: 0.24 cts Size: 3.83 x 3.62 x 2.76 mm Color: green 100% natural Origin: Colombia GFCO laboratory certificate.

Faceted aquamarine octagon sku253 Weight: 1.45 cts Size: 9.5x5.6x3.4 mm

Kazakhstan dioptase ashirite specimen sku578 Size: 30x18x16 mm Origin: Kazakhstan

Namibian Dioptase crystal specimen sku631 Size: 38x25x8 mm Good for pendant

Russian alexandrite rough crystal, chrysoberyl raw crystal sku680 Size: 13.5x9.3x8 mm Weight: 7.79 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mounta...

Faceted octagon pink garnet pair sku599 Weight: 8.1 cts Size: 9.8x7.3x5.6 mm

Azurite geode collectible specimen sku43 possible to use for jewelry as well Origin: Russia, Miheevskoe deposit, Ural Mountains Size: 42х28х8 mm

Introducing a captivating piece of nature's marvel, this exquisite listing showcases a mesmerizing 0.53 ct weight natural Russian Alexandrite...

A magnificent 2.21-carat natural Russian Demantoid Garnet featuring a vivid green color and a classic round brilliant cut. Boasting "very eye clean" clarity and an extraordinary fire...

GIA‑Certified 4.49 Carat Russian Emerald — Octagonal Cut, F2 Clarity This GIA‑certified 4.49‑carat Russian emerald is a commanding example of one of the world’s most coveted emerald ...

Ural Mountains of Russia is the most important and consistent source of the rarest variety of Garnets - Demantoid. The stones from this region are famous for their vivid green hue,...

Faceted indicolite blue tourmaline sku625 Weight: 1.66 ct Origin: Afghanistan, Kunar mine

Russian alexandrite rough crystal, chrysoberyl raw crystal sku679 Size: 11x8x6 mm Weight: 5.16 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountains,...

Introducing a captivating piece of nature's marvel, this exquisite listing showcases a mesmerizing 0.31 ct weight natural Russian Alexandrite...

The Ural Mountains of Russia have long been recognized as the most important and consistent source of the rarest variety of Garnets, known as Demantoid. These unique gemstones are highly valued for their exceptional quality and brilliance, making them ideal for custom-made jewelry designs such as earrings. The Demantoids from this region are renowned for their vivid green hue, which sets them apart from other varieties of Garnets. Their intense color adds a touch of elegance and sophistication to any piece of jewelry they adorn. Moreover, Russian Demantoids possess a high dispersion, also known as "fire," which refers to the ability of a gemstone to disperse light into a spectrum of colors. This property further enhances their beauty, creating a dazzling visual display. One distinctive feature of Russian Demantoids is the characteristic horsetail inclusion...

Faceted Russian demantoid set sku413 perfect for jewelry earrings and ring !!️Tagil, Bobrovka deposit = no treatments (no heating) Weight: 0.28 ct Diameter: 2.5 mm Demantoid is the ...

Faceted Russian demantoid set sku412 perfect for jewelry earrings and ring !!️Tagil, Bobrovka deposit = no treatments (no heating) Weight: 0.57 ct Diameter: 3 mm Demantoid is the ra...

An exceptional 2.45-carat natural Russian Demantoid Garnet, renowned for its vivid green color and a fire that rivals the most brilliant diamonds. Accompanied by a prestigious GIA re...

Faceted bi-color sapphire sku310 Weight: 1.2 cts Size: 6.64x4.86x3.34 mm certified by gfco lab very beautiful gemstone

Faceted blue sapphire sku449 Weight: 1.56 ct Size: 5.8x4 mm Color: blue Origin: Sri Lanka Treatment heated, excellent cutting

Facted demantoid garnet with obvious horsetail inclusion sku225 Weight: 0.7 ct Diameter: 5.2 mm Demantoid is the rarest and most valuable variety of the garnet group. Stones that d...

Ural Mountains of Russia is the most important and consistent source of the rarest variety of Garnets - Demantoid. The stones from this region are famous for their vivid green hue, high dispersion and characteristic horsetail inclusion. Exceptional quality Russian Demantoid would make a custom-made jewelry...

Faceted Russian Demantoid with bissolite inclusions sku624 Weight: 0.44 ct Diameter 4.8 mm Demantoid is the rarest and most valuable variety of the garnet group. Stones that display the characteristic “horsetail” inclusion — fine fibrous structures of Bissolite — are especially prized by collectors. These inclusions are considered a classic identifying feature of natural Demantoid, particularly those originating from the Ural Mountains. Rather than reducing value, a well-formed horsetail inclusion is often seen as confirmation of authenticity and a distinctive natural characteristic of this gemstone. This demantoid originates from the historic Bobrovka deposit in the Ural Mountains, Russia, one of the most famous sources of demantoid garnet in the world. Uralian demantoids have been prized since the 19th century and were particularly popular in Russian Imperial jewelry...

This exceptional Russian demantoid garnet dazzles with its vivid green hue and unmatched brilliance. Featuring a brilliant cut, this gemstone showcases superior fire and light disper...

Russian alexandrite rough crystal, chrysoberyl raw crystal sku681 Size: 13x9.3x6 mm Weight: 4.78 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountains...

Tsavorite garnet pair sku601 Weight: 0.78 cts Size: 5x4x2.7 mm Perfect for earrings

Certified Faceted emerald sku213 Weight: 0.57 cts Size: 5.78 x 4.57 x 3.21 mm Color: VIVID green 100% natural GFCO laboratory certificate.

Tsavorite garnet heart shape pair sku602 Weight: 0.61 cts Size: 4x4x2.8 mm

Unique gemstones The demantoids come from the historic Bobrovka deposit in the Ural Mountains, one of the most famous sources of these exceptional garnets. Stones from this locality...

Faceted Russian Demantoid with bissolite inclusions sku623 Weight: 0.5 ct Diameter 4.8 mm Demantoid is the rarest and most valuable variety of the garnet group. Stones that display the characteristic “horsetail” inclusion — fine fibrous structures of Bissolite — are especially prized by collectors. These inclusions are considered a classic identifying feature of natural Demantoid, particularly those originating from the Ural Mountains. Rather than reducing value, a well-formed horsetail inclusion is often seen as confirmation of authenticity and a distinctive natural characteristic of this gemstone. This demantoid originates from the historic Bobrovka deposit in the Ural Mountains, Russia, one of the most famous sources of demantoid garnet in the world. Uralian demantoids have been prized since the 19th century and were particularly popular in Russian Imperial jewelry...

Uvarovite green garnet specimen sku410 Size: 46x35x25 mm Origin: Russia, Ural

Uvarovite green garnet specimen sku409 Size: 45x35x15 mm Origin: Russia, Ural

Uvarovite green garnet specimen sku408 Size: 60x35x25 mm Origin: Russia, Ural

Drop shape tourmaline rubellite pair sku186 Weight: 1.24 ct Size: 6.3x4.4x3.1 mm Color: Pink Cut shape: Drop Place of extraction: Nigeria. Certificate from any lab is available, Pl...

Rare Large Dioptase crystal from Congo, very aestethic crystal sku173 Origin: Congo Size: 38x18x15 mm Weight: 66.7 carats

Natural no treatment faceted sapphire sku165 Mining location: Sri Lanka Weight: 0.85 ct Shape: Oval

Faceted spinel pair opposite color sku168 Weight: 1.11 cts Size: 5x3.5x2.5 mm

Tsavorite garnet pair sku600 Weight: 2.08 cts Size: 6.3x5.3x3.4 mm Perfect for earrings

Ural Mountains of Russia is the most important and consistent source of the rarest variety of Garnets - Demantoid. The stones from this region are famous for their vivid green hue,...

This is a stunning GIA Certified Emerald The GIA report reads as follows: GIA Report Number: 2225842449 Shape: Octagonal Cutting Style: Step Cut Cutting Style: Crown: Cutting Styl...

Faceted white sapphire octagon pair sku308 Color: white Size: 4x2 mm Weight: 0.29 cts Sri Lanka Perfect for use as side stones — see the last photo for an example.

Faceted purple garnet pair sku483 Size: 8.1x5.7x3.8 mm Weight: 3.67cts

Russian alexandrite rough crystal, chrysoberyl raw crystal sku677 Size: 14x10x8 mm Weight: 8.43 cts Perfect for collection or jewelry Mined at Malyshevskoye deposit, Ural Mountains...

Certified unheaat faceted pigeon blood ruby sku672 Weight: 1.05 cts Size: 9.02х4.37х2.92 mm Color: pigeon blood red Origin: Mozambique Pear shape GFCO certified

Faceted pink tourmaline pair sku666 Weight: 1.34 cts Diameter 5.5 mm Origin: Afghanistan

This rare Russian demantoid garnet showcases a captivating green hue with exceptional brilliance. Its brilliant/step cut enhances light dispersion, creating a fiery sparkle unique to...

Rare collectible pentagonite specimen Pentagonite crystals with heulandite crystals on the matrix Dimensions: 8*7*2 cm Origin: Indi, Maharashtra It is quite rare and uncommon stone...

Vivid pink Mahenge oval spinel sku648 Weight: 5.23 cts Color: vivid pink Size: 11.18x9.18x7.13 mm Purity: Sl Gemologists call such gemstones ‘master stones’ because of their size ...

Vivid pink Mahenge oval spinel sku647 Weight: 2.8 cts Color: vivid pink Size: 9.68x7.23x5.16 mm Purity: Sl Gemologists call such gemstones ‘master stones’ because of their size an...

The Ural Mountains of Russia have long been recognized as the most important and consistent source of the rarest variety of Garnets, known as Demantoid. These unique gemstones are hi...

The Ural Mountains of Russia have long been recognized as the most important and consistent source of the rarest variety of Garnets, known as Demantoid. These unique gemstones are hi...

This exquisite Russian demantoid garnet captivates with its vivid green hue and exceptional brilliance. Featuring a brilliant/step cut, this rare gemstone exhibits outstanding fire, ...

Faceted pink spinel sku503 Size: 8.65 x 5.82 x 5.12 mm Weight: 1.98 cts Origin: Birma

Aquamarine heart shape pair sku604 Weight: 0.73 cts Size: 5.1x4.8x2.8 mm

Pink morganite heart shape pair sku603 Weight: 5.7x5.9x3.4 mm Weight: 1.3 cts Color: pink