Welcome to Ravenstein Gem Co. LLC

All Natural Precision Hand Faceted Gemstones & Facet Rough for :
Demanding Jewellery Makers
Knowledgeable Collectors
Smart Investors
& Rarity Hunters

FACETED GEMSTONES

ROUGH GEMSTONES

NEWLY LISTED gemstones

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danburite 0.44 ct

Danburite, Mexico 0.44 ct trapeze

La Aurora mine, Charcas, San Luis Potosí, Mexico

DETAILS

topazolite garnet pair 0.30 ct

Topazolite, Ural Mountains 0.30 Ct TW round pair

Ural Mountains, Russia

DETAILS

amethyst pair 5.11 ct

Amethyst, Uruguay 5.11 Ct TW pair round

Uruguay

DETAILS

oregon sunstone bead 2.51 ct

Oregon Sunstone 2.51 Ct sphere – 7 mm diameter

PANA Mine, Southern Oregon, USA

DETAILS

colombianite 3.89 ct TW

Colombianite, Colombia 3.89 Ct TW pair

Colombia

DETAILS

colombianite pair 4.70 ct

Colombianite, Colombia 4.70 Ct TW pair

Colombia

DETAILS

topaz pair 13.89 ct

Natural Untreated Blue Topaz, Nigeria 13.89 Ct TW 2 pcs half moon

Nigeria, Africa

DETAILS

oregon sunstone 1.87 ct

Multicolor Schiller Oregon Sunstone 1.87 Ct oval

PANA Mine, Southern Oregon, USA

DETAILS

tourmaline 0.79 ct

Natural Tourmaline, Zambia 0.79 Ct oval

Zambia

DETAILS

amethyst 5.52 ct

Amethyst, Brazil 5.52 ct polygon

Bahia State, Brazil

DETAILS

amethyst 7.81 ct

Amethyst, Brazil 7.81 Ct trillion

Bahia State, Brazil

DETAILS

amethyst 6.70 ct

Amethyst, Brazil 6.70 ct cushion

Bahia State, Brazil

DETAILS

AMETHYST 6.06 CT

Amethyst, Brazil 6.06 ct polygon

Bahia State, Brazil

DETAILS

schiller sunstone 4.77 ct

Schiller Oregon Sunstone 4.77 Ct rhomboid

PANA Mine, Southern Oregon, USA

DETAILS

demantoid 0.54 ct

Demantoid / Andradite Garnet, Ural Mountains 0.54 Ct round

Ural Mountains, Russia

DETAILS

tourmaline rubellite 1.64 ct

Malkhan Tourmaline Rubellite, Russia 1.64 Ct trillion

Malkhan, Russia

DETAILS

tourmaline rubellite 0.90 ct

Malkhan Tourmaline Rubellite-Malkhan, Russia 0.90 Ct rhomboid

Malkhan, Russia

DETAILS

malkhan tourmaline rubellite 1.04 ct

Malkhan Tourmaline Rubellite-Malkhan, Russia 1.04 Ct octagon

Malkhan, Russia

DETAILS

tropical sunset tourmaline 2.26 ct

Tropical Sunset Tourmaline, Malkhan Russia 2.26 Ct octagon

Malkhan, Russia

DETAILS

oregon sunstone 5.92 ct

Oregon Sunstone 5.92 Ct half moon

PANA Mine, Little Eagle Butte, Oregon, USA

DETAILS

tourmaline 0.70 ct

Natural Tourmaline, Zambia 0.70 Ct octagon

Zambia

DETAILS

tourmaline pair 1.97 ct

reserved // Dichroic Tourmaline Verdelite, Malawi 1.97 Ct TW pair

Malawi, Africa

DETAILS

imperial oregon sunstone 3.01 ct

Imperial Oregon Sunstone 3.01 Ct oval

PANA Mine, Southern Oregon, USA

DETAILS

goshenite 4.48 ct

Goshenite, Mozambique 4.48 Ct trillion

Mozambique

DETAILS

aquamarine 1.83 ct

Aquamarine, Malawi 1.83 Ct marquise

Malawi, Africa

DETAILS

Legacy, heritage and craftsmanship

Ravenstein Gem Co. is a highly-experienced gem design and gem cutting business established in Frankfurt am Main, Germany in spring of 1985. Since that time, the company produced all natural, highest-grade, precisely hand cut gemstones for all parts of gem trade.

About Us

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We Guarantee Best Price-To-Quality Ratio

Please Compare to Any Other Seller of Natural, Precision Hand Cut Gemstones.

– 14 day store credit
– Replacement guarantee
– Custom cut gems to fit your exact needs

Monthly Specials December

tourmaline rubellite 4.42 ct-ravenstein gem co.

Tropical Sunset Tourmaline, Malkhan 4.42 Ct octagon

Malkhan, Russia

Original price was: $375.00.Current price is: $243.75.

1 in stock

polar demantoid rough 56.90 ct-ravenstein gem co.

Polar Demantoid Garnet rough 5 pcs 11.38 g / 56.90 Ct TW

Polar region, Russia

Original price was: $139.00.Current price is: $90.35.

1 in stock

sapphire 1.13 ct-ravenstein gem co.

Natural Untreated Parti Sapphire, Kenya 1.13 Ct half moon

Kenya

Original price was: $375.00.Current price is: $243.75.

1 in stock

tourmaline rubellite 3.74 ct-ravenstein gem co.

Malkhan Tourmaline Rubellite 3.74 Ct trillion

Malkhan, Russia

Original price was: $720.00.Current price is: $468.00.

1 in stock

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Masterpiece Collective Gemstones | American Cut Gemstones

Discover a gem as unique as you are.

I have purchased several Oregon sunstones from Ravenstein. Each was exquisitely cut (confirmed by my jeweler) and I was able to find settings online even for those sunstones not calibrated. I have NEVER been disappointed in Ravenstein’s sunstones.

Mary Ann Unger

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