12 carat teardrop-shaped Ethiopian Welo opal with intense colors

12.2 Carat - Ethiopian Welo Opal with Beautiful Pattern

12.7 Carat - Stunning Dark Teardrop Shaped Ethiopian Welo Opal

13 carat - colorful Ethiopian Welo Opal drop

13 carat - Sparkling oval cut Ethiopian Welo Opal

13.2 carats - Beautiful dark oval cut Ethiopian Welo Opal

13.3 carat - oval cut Ethiopian Welo Opal with honeycomb pattern

13.4 carat - Ethiopian Welo Opal with wonderful rainbows

13.5 carat - greyish oval cut Ethiopian Welo Opal

13.8 carat - Brilliant Ethiopian Welo Opal

14.3 carat - Ethiopian Welo Opal with honeycomb pattern

14.4 carats - Very beautiful Ethiopian Welo Opal with chaff pattern

15.2 carat - oval cut Ethiopian Welo Opal with a beautiful pattern

15.5 carat - teardrop-shaped Ethiopian Welo opal with intense play of colors

15.6 carat - greyish oval cut Ethiopian Welo Opal

16 Carat Brilliant Grayish Ethiopian Welo Opal

16.2 carat - Intense Ethiopian Welo Opal with matrix rock

16.3 carat - Oval cut transparent Ethiopian Welo Opal

16.7 Carat - Dark Luminous Ethiopian Welo Opal

16.7 Carat - Brilliant Ethiopian Welo Opal

16.8 carat - Teardrop-shaped Ethiopian Welo Opal

17.1 Carat - Brilliant Dark Ethiopian Welo Opal

17.5 carat - Brilliant teardrop-shaped Ethiopian Welo Opal with chaff pattern