Elegant Gold Particles Logo Reveal by sachinjoshi on CGguy
https://elements.envato.com/elegant-gold-particles-logo-reveal-VJ4PW8B
Free 
Gems & Lights – Gemstones Logo Reveal Pack by microzooms on CGguy
https://elements.envato.com/gems-lights-gemstones-logo-reveal-pack-VDTYJ8Z
Free 
Diamond Logo Reveal by VladimirPerumov on CGguy
https://elements.envato.com/diamond-logo-reveal-VQLVAEP
Free