What is the lifespan of a lab-grown diamond?
Quick answer
A lab-grown diamond does not have a usable lifespan in the way other materials do. The carbon crystal is chemically stable and unaffected by heat, light, chemicals and time at normal-wear conditions. The setting around it can wear over decades and need maintenance, but the diamond itself does not.
Why a carbon crystal does not degrade
Diamond is the most stable arrangement of pure carbon at the temperatures and pressures of everyday life. Air, water, sweat, perfume, household cleaners and UV light do not change the structure. Diamond only converts back to graphite at very high temperatures in low-oxygen conditions, conditions you will not encounter wearing a ring. Lab and mined diamonds are the same material, so they share this stability exactly.
What does wear: the setting around it
Prongs, claws and the band itself wear gradually with daily contact. Gold and platinum scratch, prongs thin from rubbing against fabric, and pavé melee can loosen over time. A yearly check at a jeweller catches loose prongs and worn claws before a stone is lost. Most settings need re-tipping or re-shanking somewhere between 10 and 30 years depending on metal choice and how the ring is worn.
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