Smart rings are great, but they're typically not the finest pieces of jewelry in terms of the quality of metals and flashy ...

Available immediately for purchase, the 18K gold Ultrahuman Ring Air is priced at approximately $2,250 (£1,800). This price point, while high, positions it as a premium yet somewhat accessible ...

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All genuine gold items are stamped or hallmarked based on their purity. This hallmark typically includes a letter or number ...