Charles-Leutwyler-at-the-time-he-was-invited-to-examine-and-photograph-the-Hope-Diamond-at-the-Smithsonian-Institution-in-Washington-D Published February 1, 2018 at 700 × 394 in GIA AWARDS CHARLES AND EMA LEUTWYLER MEMORIAL SCHOLARSHIP FROM YEAR 2018 CHARLES LEUTWYLER AT THE TIME HE WAS INVITED TO EXAMINE AND PHOTOGRAPH THE HOPE DIAMOND ← Previous Next →