L'histoire du diamant à 5000 $, dont le NFT basé dessus a été vendu pour 43 000 $

cryptonews.ruPublished on 2026-08-07Last updated on 2026-08-07

Abstract

En 2021, l'économiste Tascha Che a acheté un diamant de 1,3 carat pour 5 000 $ dans le cadre d'une expérience sur la valeur des NFT. Son projet était de créer un NFT représentant le diamant, puis de détruire physiquement la pierre précieuse pour démontrer que la valeur pouvait persister dans un jeton numérique même après la destruction de l'actif physique. Après avoir trouvé un moyen de briser le diamant, elle a mis le NFT aux enchères. Contre toute attente, il a été vendu en septembre 2021 pour 5,5 ETH (environ 17 000 $ à l'époque), soit plus du triple du prix du diamant original. L'acheteur, l'investisseur Ivan Zhang, a conservé le NFT jusqu'en octobre 2025 avant de le revendre pour 11 ETH, équivalant à 43 000 $. Pendant cette période, la valeur du NFT a presque triplé, alors que le prix des diamants physiques d'un carat chutait d'environ 40 %. Zhang a noté que les prix des diamants naturels continueraient de baisser en raison de la production plus facile de diamants synthétiques et d'une demande en baisse. L'expérience a finalement montré que la valeur de ce NFT était principalement pilotée par la spéculation et l'engouement du marché, et non par une corrélation économique avec l'actif physique qu'il était censé représenter, remettant ainsi en question l'idée de base selon laquelle un NFT peut préserver la valeur d'un objet détruit.

En 2021, au plus fort de la folie des $NFT, la macroéconomiste Tascha Che (Tascha Labs) a annoncé son intention d'acheter un diamant pour 5000 $, d'en créer un $NFT, puis de réduire la pierre précieuse en miettes.

Tout cela devait prouver que les objets physiques peuvent être détruits, mais que leurs versions numériques peuvent préserver à jamais la représentation de la valeur. Cette idée a été critiquée par la majorité des crypto-monnaies et des $NFT.

Néanmoins, en août 2021, Tascha a acheté en ligne un diamant de 1,3 carat et a commencé à chercher des moyens de le détruire. Au début, elle voulait frapper le diamant avec un marteau, mais, bien sûr, cela n'a pas fonctionné. Finalement, elle a trouvé un mécanicien qui a choisi un outil pour briser la pierre en morceaux.

L'étape suivante a été de créer le $NFT sur une place de marché, pour que les gens puissent enchérir dessus. Étonnamment, la chance lui a souri. En septembre 2021, un utilisateur a acheté le $NFT pour 5,5 $ETH, ce qui était évalué à l'époque à 17 000 $, soit plus de trois fois le prix que Che avait payé pour le diamant.

Che a activement posté pour dire que son idée était juste, mais en réalité, cette vente ne prouvait en rien que tous les actifs numérisés conservaient leur valeur malgré la destruction du prototype physique.

Après l'acquisition du $NFT, l'adepte de la finance décentralisée et investisseur Ivan Zhang l'a possédé jusqu'en octobre 2025, avant de vendre le jeton pour 11 $ETH, soit 43 000 $. Ainsi, la valeur du $NFT du diamant détruit a presque triplé, alors que les prix des diamants d'un carat sur la même période ont chuté de près de 40%.

Zhang a également écrit que les prix des diamants continueraient de baisser, car la production de diamants synthétiques devient plus facile et la demande de la part de la vente au détail diminue.

Par conséquent, si le $NFT était destiné à préserver la valeur du bien physique détruit, on devrait s'attendre à une baisse correspondante de sa valeur.

L'expérience de Che a démontré de manière convaincante que les prix des $NFT sont guidés par la spéculation, et non par des aspects économiques.

end-content

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Related Questions

QQuel était l'objectif principal de l'expérience menée par l'économiste Tascha Che en 2021?

ASon objectif principal était de prouver qu'un objet physique pouvait être détruit, mais que sa version numérique (sous forme de NFT) pouvait préserver l'idée de sa valeur de façon permanente.

QComment Tascha Che a-t-elle finalement réussi à détruire le diamant de 1,3 carat qu'elle avait acheté ?

AAprès avoir échoué à le briser avec un marteau, elle a fait appel à un mécanicien qui a utilisé un outil spécial pour le casser en morceaux.

QQuel a été le prix de vente initial du NFT basé sur le diamant détruit, et comment se compare-t-il au prix d'achat du diamant physique ?

ALe NFT a été vendu pour la première fois à 5,5 ETH, d'une valeur d'environ 17 000 $ à l'époque. Cela représentait plus du triple du prix de 5 000 $ payé pour le diamant physique.

QQuelle a été l'évolution du prix du NFT entre sa première vente en 2021 et sa revente en octobre 2025, et comment cela contraste-t-il avec le marché des diamants physiques ?

ALe NFT a été revendu en octobre 2025 pour 11 ETH, soit 43 000 $. Sa valeur avait donc presque triplé depuis 2021, tandis que le prix des diamants d'un carat avait chuté d'environ 40% sur la même période.

QSelon la conclusion de l'article, qu'est-ce que l'expérience de Tascha Che a démontré concernant la détermination de la valeur des NFT ?

AL'expérience a démontré de manière convaincante que les prix des NFT sont principalement dictés par l'engouement spéculatif et le buzz, plutôt que par des facteurs ou des justifications économiques fondamentales.

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