IMO Diamonds Guide: Black Diamonds Never Expire & Save 60%
IMO diamonds come in two types, and only one lasts forever. Black Diamonds are rechargeable premium currency that never expire under standard conditions — perfect for bulk stockpiling. Buying in larger packs saves 38-60% over in-app rates, with web recharge at just $1.96 per 100 diamonds. Pre-load during bulk windows and never scramble to recharge mid-call again.