The gemstone found is semicircular in shape and has an ‘exceptionally large’ crack, which suggests that it was once even larger Russian miners have found a unique piece of amber weighing 2.374 kg, the largest in the last four years, the Kaliningrad Amber Combine (KAK), a leading Russian company in the extraction of these precious stones, reported on Monday. “At the Primorie mine of the Kaliningrad Amber Combine, part of the Rostec corporation, a unique piece of this Baltic gemstone weighing over two kilograms was found. It is the largest discovery since 2021,” the company said in a statement posted on its official website, where photos and videos of the stone were posted.
It added that the huge stone is currently in the hands of experts and will later be auctioned. This gigantic stone was found on 23 October and has been named “Record Holder” because it weighs 2.374 kilograms. “Its name is related not only to the enormous weight of this stone, but also to the record for amber extraction. This year, the company plans to extract 700 tonnes of this sunstone for the first time in history,” the company said.

The precious stone found is semicircular in shape and has an ‘exceptionally large’ crack, which leads to the assumption that it was once even larger. Amber weighing more than two kilograms found in Russia.Combinato ‘Kaliningradsky Amber’ “It is obvious that this stone is part of an even larger formation, which has not survived to this day in its original form. Presumably, 35-45 million years ago, the stone was round and looked like a loaf of bread,” the factory reported.
The stone was preserved for millions of years in a layer of blue clay, but when it came to the surface as a result of natural processes, under the action of oxygen and sunlight, it cracked. ‘The other part of the stone, which probably already had cracks, likely broke into small pieces,’ the company added. The crack, atypical for such stones, allows one to see its colour — an intense yellow.
The previous largest amber stone, weighing 2.7 kg, was found in December 2021, named ‘Tiger’s Head’ and sold at auction in 2022 for 1.2 million roubles (more than $17,000). Amber stones weighing more than one kilogram are considered unique and extremely rare. In fact, the ‘Record Holder’ is only the twelfth stone with these characteristics found in 2025.
