Earth's hidden treasures transform into precious adornments. Each piece tells a story of beautiful jewellery emerging from raw, uncut gems. Discover the magic of geological wonders with artistic finesse.

From Raw Minerals to Refined Jewellery Collection

Budget

From

Dimensions

Height

Width

Depth

Minerals & Meteorites

Gemstones

Natural History & Taxidermy

Reserve price

No reserve price

Closing date

Sunday

tomorrow

Saturday

today

Friday

Tuesday

Monday

23 July

24 July

26 July

22 July

Location

Germany

Thailand

The Netherlands

United Kingdom

India

Italy

France

Switzerland

Portugal

Israel

United States

Bulgaria

Spain

Singapore

Hong Kong

Canary Islands

Belgium

Czech Republic

Japan

Poland

Taiwan

Object

Faceted gemstone

Raw mineral

Metaphysical stones

Carved mineral

Nugget

Country of origin

Pakistan

Brazil

Tanzania

Colombia

Zambia

Sri Lanka

No origin given

Myanmar/Burma

Kenya

Congo

Madagascar

Namibia

Canada

Mauritania

Africa

Afghanistan

Australia

China

Mozambique

Russia

U.S.

Stone

Sapphire

Emerald

Tourmaline paraiba

Ruby

Aquamarine

Tsavorite

Tanzanite

Tourmaline

Kunzite

Sapphire padparadscha

Demantoid

Fluorite

Sphalerite

Spinel

Mixed gemstones

Grandidierite

Garnet

Diaspore

Certification

Gemological Institute of America (GIA)

International Gemological Institute (IGI)

Lotus Gemology

Gem research Swiss Lab (GRS)

International Colored Gemstone Association (ICA GemLab)

Asian Institute of Gemological Sciences (AIGS)

Colour

Blue

Green

Pink

Purple

Orange

Violet

Yellow

Bi-colour

Brown

Multicolour

Cushion

Oval

Brilliant cut

Step cut

Mixed cut

Modified brilliant cut

Octagon

Faceted cut

Pear

Emerald cut

Round

Heart

Modified cut

Shield

Rectangle

Cut cornered square

Old mine cut

Pear shape cut

Squared emerald cut

Clarity

Moderate

Eye clean

Slight

Loupe clean

Heavy

Mineral

Gold

Mineral form

Jewellery

Specimen

Mineral Collection

Crystal

Crystals on matrix

Crystal on matrix

Nuggets

Crystal cluster

Crystals

Obelisk

Rough

Sphere

Treatment

No evidence of treatment

Oiling

No heat treatment

Heat treatment

Commonly heated with no evidence of treatment

Clarity enhancement

Not specified in the report

Commonly irradiated with no evidence of treatment

Gemstone transparency

Transparent

Semi-transparent

Translucent

Pearl luster

Excellent

Very good

Good

Optical effect (gemstones)

Fluorescence

Colour change

Discovery zone.
23°33’ North.
08°06’ West.
These nuggets come from the desert region of Tiris Zemmour in the north of Mauritania, more than a hundred kilometers from an area named Guelb Ndour.
Gold mining in this country was reserved only for a large industrial company.
But since

Guelb Ndour Tiris Zemmour, Mauritania

Gold Mauritanian Nuggets 1.844 grams- 1.84 g

Triple-A quality aquamarine gemstone sample. Aquamarine is a famous gem, renowned for its blue color that evokes the sea waters. It is usually found near rivers, and in Brazil it is particularly abundant. It has been associated with the sea since ancient times, and there are folk

Aquamarine cluster with three prominent points, absolute quality. Mineral Collection - Height: 6.2 cm - Width: 3.5 cm- 27 g - (1)

Exceptionally Large Natural Gold Nugget, very rare, with certificate of authenticity.

analyzed by RFA.
Purity: 94.93% (Very high natural purity)
Grams: 10.85 g.
Length: 22.53 mm.
Width: 16.47 mm.
Origin: Bunia, Kongo (Democratic Republic of the Congo)

Each of our nuggets has

Bunia, Congo

Gold Nugget - Height: 22.53 mm - Width: 16.47 mm- 10.85 g - (1)

This masterful ruby ring is made with great craftsmanship. Ruby is widely regarded as one of the most prized gemstones due to its rarity and enduring popularity in the market. The stone has a deeply saturated color.

At Heart of Gemstone, we distinguish ourselves by offering only

ALGT Certified - Masterful Natural Ruby Ring - A deep hue born from the depths of the earth- 5.68 g

Impressive gold nuggets with multiform shapes and varying lengths due to erosion, naturally formed with a yellowish, softer tint of 10 g (total weight of the batch) 20–22k originating from the shores of the Yukon. They are nuggets of exceptional quality, beautiful and radiant.

Yukon, Canada

Gold Nuggets- 10 g - (1)

With an eye for detail, we present this large, highly exclusive aquamarine bracelet. Aquamarine is cherished for its beautiful clear color and high market value. This highly striking piece immediately catches the eye with its considerable dimensions. The stones exhibit

ALGT Certified - Large and Highly Exclusive Natural Aquamarine Bracelet - Unmatched clarity in its most natural form- 39.62 g

This exceptional emerald cabochon impresses with its intense, vivid green coloration, which, depending on the light, ranges from rich emerald green to bright, almost neon-like nuances. The polished surface wonderfully showcases the stone’s natural depth and allows light to flow

Muzo, Colombia

Natural emerald cabochon – rare green transparency with distinctive inclusions - 23.30 ct- 4.66 g

We proudly present this huge, masterful oval-shaped aquamarine pendant. Aquamarine, cherished for its clear color and high market value, is showcased beautifully in this piece. Its substantial size ensures immediate attention, with the stone boasting an intense color and

ALGT Certified - Huge and Masterful Natural Aquamarine Pendant - Remarkably clear and vividly colored- 11.94 g

Extraordinarily large natural gold nugget, very rare, with authenticity certificate.

analyzed by RFA.
Purity: 94.86% (Very high natural purity)
Grams: 47.25 g.
Length: 52.17 mm.
Width: 24.50 mm.
Origin: Bunia, Kongo (Democratic Republic of the Congo)

Each of our nuggets was

Gold Nugget - Height: 52.17 mm - Width: 24.5 mm- 47.25 g - (1)

Report Nr.      1549841609.
Gemstone        Tsavorite.
Size            10.53 x 7.29 x 4.79 mm.
Clarity         See Picture.
Treatment       No.
Weight          3.18 ct.
Color           Green.
Cut             Oval.
Origin          Africa.
Certificate Included.
Item Number    

No evidence of treatment-  Lab report: 1549841609

No reserve price - 1 pcs  Green Tsavorite  - 3.18 ct - Gemological Institute of America (GIA)

A splendid emerald obelisk with an intense green coloration and striking natural structuring. The polished surface makes the typical, vividly interflowing greens of the emerald shine — from delicate, translucent light green to deep emerald green.

Fine veins and natural

Natural Emerald Obelisk - Top quality- 494.22 g

Luxurious Labradorite Bracelet – 925 Sterling Silver with Gold Plating.
The bracelet is adjustable and fits all wrist sizes.

Discover an exceptional Labradorite bracelet in genuine Labradorite, a fine stone renowned for its captivating labradorescence, revealing brilliant blue,

Rare natural Labradorite bracelet of the highest quality – 925 sterling silver plated with gold 925 Silver- 15 g - (1)

From Raw Minerals to Refined Jewellery Collection

253 objects

Follow From Raw Minerals to Refined Jewellery Collection