Sorry for your loss Elvis, my dad had cancer too - it had been a long time coming and he'd gone downhill dramatically since christmas, but it still came as a shock when he finally passed away, if that makes sense. I think the oak will remind me of him, you are right...maybe that's part of the uncertainty as it's all so raw at the moment, but in time I'm hoping it will only bring good memories
My sister & I are having his wedding ring split in two and plated in white gold (as neither of us are yellow gold wearers), so I will have that in a couple of weeks too
Your necklace sounds great, it's nice to have something so special