CATALOGUE OF GEMS AND PRECIOUS STONES. 37 



Step-brilliant, circular girdle; light blue; 1.42 carats; 7 by 4 mm. Isaac 



Lea collection No. 60 



Step-brilliant, irregular girdle; colorless, blotched with blue; 1.355 carats; 



7 by 6 by 4 mm. Isaac Lea collection No. 74 



Step-brilliant, square girdle; light blue; 1.35 carats; 7 by 6.5 by 4 mm. 



Isaac Lea collection No. 44 



Step-brilliant, irregular elliptical girdle; pale blue; 1.296 carats; 7 by 5 by 



5 mm. Isaac Lea collection No. 78 



Step-brilliant, elliptical girdle; colorless with blue streaks; 1.279 carats; 



6.5 by 5 by 5 mm. Isaac Lea collection No. 77 



Step-brilliant, square girdle; blue; 1.25 carats; 6 by 4 mm. Isaac Lea 



collection No. 66 



Step-brilliant, elliptical girdle; colorless with blue blotches; 1.22 carats; 



7 by 5.5 by 4 mm. Isaac Lea collection No. 63 



Step-brilliant, circular girdle; very pale blue; 1.192 carats; 7 by 4 mm. 



Isaac Lea collection No. 52 



Step-brilliant, circular girdle; very pale blue; 1.157 carats; 6.5 by 4 mm. 



Isaac Lea collection No. 56 



Step-brilliant, rectangular girdle; pale blue; 1.15 carats; 6 by 4.5 by 5 mm. 



Isaac Lea collection No. 72 



Step-brilliant, square girdle; pale blue; 1.105 carats; 6 by 4 mm. Isaac 



Lea collection No. 79 



Step-brilliant, elliptical girdle; pale blue; 1.043 carats; 7 by 5 by 4 mm. 



Isaac Lea collection No. 84 



Step-brilliant, elliptical girdle; deep blue; 1 carat; 7 by 6 by 3.5 mm. 



Isaac Lea collection No. 61 



Step-brilliant, elliptical girdle; deep blue; 0.98 carat; 6 by 5 by 4 mm. 



Isaac Lea collection No. 45 



Step-brilliant, elliptical girdle (irregular); blue; 0.977 carat; 6.5 by 5 by 4 



mm. Isaac Lea collection No. 90 



Step-brilliant, rectangular girdle; deep blue; 0.962 carat; 6 by 5 by 4 mm. 



Isaac Lea collection No. 68 



Step-brilliant, elliptical girdle; colorless, with blue blotches; 0.957 carat; 



6 by 4.5 by 5 mm. Isaac Lea collection No. 82 



Step-brilliant, elliptical girdle; colorless, with blue streaks; 0.957 carat; 



6 by 4.5 by 5 mm. Isaac Lea collection No. 87 



Step-brilliant, oval girdle; deep violet blue; 0.922 carat; 6.5 by 5 by 3.5 mm. 



Isaac Lea collection No. 71 



Step-brilliant, elliptical girdle; blue; 0.892 carat; 6 by 5 by 4 mm. Isaac 



Lea collection No. 102 



Step-brilliant, elliptical girdle; colorless, with blue streaks; 0.887 carat; 



6.5 by 5 by 3.5 mm. Isaac Lea collection No. 85 



Step-brilliant, elliptical girdle; deep blue; 0.887 carat; 6.5 by 5 by 3 mm. 



Isaac Lea collection No. 88 



Step-brilliant, elliptical girdle; colorless, with slight blue streaks; 0.855 



carat; 6.5 by 5 by 3.5 mm. Isaac Lea collection No. 73 



Step-brilliant, circular girdle; colorless, blotched with blue; 0.85 carat; 5 



by 5 mm. Isaac Lea collection No. 101 



Step-brilliant, irregular oval girdle; deep blue; 0.811 carat; 6.5 by 5 by 3 



mm. Isaac Lea collection No. 92 



Step-brilliant, rectangular girdle; light blue; 0.79 carat; 6 by 4 by 3.5 mm. 



Isaac Lea collection No. 81 



Step-brilliant, elliptical girdle; blue; 0.77 carat; 5.5 by 5 by 4 mm. Isaac 

 Lea collection No. 109 



