Diamonds are not a store of value. Diamonds are a rare and well marketed jewelery item. Gold jewelry costs substantially more than its melt gold value, but stor

Diamonds are not a store of value. Diamonds are a rare and well marketed jewelery item. Gold jewelry costs substantially more than its melt gold value, but stores value in medallion and bullion form. Self custody is part of why Bitcoin is valuable -- self custodians deflating it by losing their keys. The other part is speculative hype.