World
Rarities
The most extraordinary gemstones ever catalogued. Unique pieces that transcend the concept of jewelry — they are historical, scientific and artistic heritage of humanity.
Mozambique · GIA Certified
Blue Moon
88.44 Carats · Bluish Green
The Blue Moon is one of the most extraordinary copper-bearing tourmalines ever catalogued by the GIA. With 88.44 carats and a Modified Brilliant Oval cut, this stone occupies an absolutely singular place in the universe of colored gemstones.
Market estimate
USD 2.211.000
Brazil · GIA Certified
Ethereal Carolina
Divine Paraíba · 191.87 ct
At 191.87 carats, the Ethereal Carolina Divine Paraíba is recognized by the Guinness World Records as the largest faceted Paraíba tourmaline in the world. The centerpiece of the Paraíba Star of the Ocean necklace, created by Kaufmann de Suisse.
Estimated valuation
USD 25–125 mi
South Africa · Premier Mine, 1905
Cullinan Diamond
3,106 Carats · Rough Diamond
The largest gem-quality diamond ever found in human history. Discovered in 1905 in South Africa, it weighed 3,106 carats — equivalent to 621 grams. It was cut into 105 stones, including the Cullinan I (530.2 ct), the largest colorless cut diamond in the world, now part of the British Crown Jewels.
British Crown Heritage
Priceless
Bahia, Brazil · Returned to Brazil in 2024
Bahia Emerald
≈ 1,900,000 Carats · 341 kg
The Bahia Emerald is one of the world's largest emeralds: 341 kg (≈ 1,900,000 carats) of green beryl in a schist matrix, extracted in 2001 from the mines of Bahia. It contains the largest single emerald crystal ever recorded. After 20 years of legal dispute in the USA, it was returned to Brazil in November 2024.
Estimated valuation
≈ USD 400 milhões
Africa · 50 Inlaid Diamonds
Liberty Bell Ruby
8,500 Carats · Carved Ruby
The Liberty Bell Ruby is the world's largest carved ruby: 8,500 carats of red corundum carved in the shape of a bell, with 50 inlaid diamonds. Discovered in Africa, it was stolen in 2011 in Delaware, USA, and never recovered — making it one of the most famous missing gemstones in the world.
Estimated valuation
≈ USD 2 milhões
Pedra Azul, Minas Gerais, Brazil
Água Marinha Dom Pedro
10,363 Carats · Obelisk · Smithsonian
The Dom Pedro Aquamarine is the world's largest faceted aquamarine: 10,363 carats (≈ 2 kg), 36 cm tall, sculpted by master Bernd Munsteiner in the shape of an obelisk. Mined in Minas Gerais, it is now on permanent display at the Smithsonian Institution, Washington D.C.
Value estimate
USD 5.000.000+
Mato Grosso, Brazil · GIA Certified
Moussaieff Red
Red Diamond · 5.11 ct · Fancy Red
The Moussaieff Red is the world's largest red diamond: 5.11 carats Fancy Red, discovered in Mato Grosso, Brazil. Red diamonds are the rarest gems on the planet — only 20-30 gem-quality specimens are known.
Estimated valuation
USD 8 milhões