Blue Green Opal w diamond Flat Back Stud unique engagement rings 21ct Australian Crystal opals are

21ct Australian Crystal opals are set in a hand carved 14k yellow gold seashell inspired setting with pink and purple sapphires and emeralds

Want to know more about what makes black opal so special

96ct Queensland crystal opal nautilus carving exhibits ethereal shades of purple and blue

Australian opal forms over hundreds of millions of years when silica and other minerals dissolve in water and slowly solidify

1ctw moonstone dew drops and dark and light blue sapphire accents

Blue Green Opal w diamond Flat Back Stud unique engagement rings 21ct Australian Crystal opals areThis vibrant blue green opal from Lightning Ridge opal is set in a hand carved 14k yellow gold basket and sparkly white diamond accent. 5mm ear post . 40ct opal