div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: SSEF - Leader in coloured gemstone diamond and pearl · magnification Emeralds treated in this way must be called treated emeralds according to CIBJO rules CIBJO 1991 1997 src=https:reader034fdocumentsinreader034viewer20220506055fad01cfb00a9729ed2b4252html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: SSEF - Leader in coloured gemstone diamond and pearl · magnification Emeralds treated in this way must be called treated emeralds according to CIBJO rules CIBJO 1991 1997 src=https:reader034fdocumentsinreader034viewer20220506055fad01cfb00a9729ed2b4252html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: SSEF - Leader in coloured gemstone diamond and pearl · magnification Emeralds treated in this way must be called treated emeralds according to CIBJO rules CIBJO 1991 1997 src=https:reader034fdocumentsinreader034viewer20220506055fad01cfb00a9729ed2b4252html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: SSEF - Leader in coloured gemstone diamond and pearl · magnification Emeralds treated in this way must be called treated emeralds according to CIBJO rules CIBJO 1991 1997 src=https:reader034fdocumentsinreader034viewer20220506055fad01cfb00a9729ed2b4252html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: SSEF - Leader in coloured gemstone diamond and pearl · magnification Emeralds treated in this way must be called treated emeralds according to CIBJO rules CIBJO 1991 1997...