Oak Leaf Jewelry EXCLUSIVE! The oak is the most revered of all trees - a symbol of strength and energy, its acorns a sign of great things to come. Make great things happen with this notable jewelry suite. Delicate sterling silver oak leaves and 9k rose gold acorns are more beautiful than the tree itself. Necklet adjusts from 16-18". Ring in whole sizes 5-10. Made in a small family workshop in Oban, Scotland.