I got java edition (1.12.2 but whatever xd) and spawn near a village, start mining and found diamonds before have an iron pickaxe, then made an iron pickaxe and mine the diamond, 8 diamonds! Then i found a cave and found 2 more diamonds. The had obsidian but i prefear nor fo to the nether right now. All that in like 20 or 30 minutes. So lucky xdd