Umba Sapphires from the Umba Valley, Tanzania. Unheated. Chunky & unheated sapphires in a range of colors.
Smoky silver-gray, pale blue-gray, golden yellow, soft lilac, lavender-pink, pale violet-gray, smoky champagne and grayish purple
Exceptionally clean
8 pieces / 15 grams / 75 carats / 9.4 carat average / AA+ - AAA+ / 85-95+ clean
Estimate: $2250 - $2500
