Book  (Apr 1993)  Page(s) 131.  
 
Diamond Jewel Miniature, white, overcast blush-pink, 1958, 'Dick Koster' sport x 'Tom Thumb'; Morey. Description.

Book  (1969)  Page(s) 133.  
 
Dr. Dennison Morey, of Livermore, has introduced a series of roses from 'Tom Thumb' and a sport of 'Dick Koster.' These are all in shades of rose with the delightful names of 'Blushing Jewel,' 'Diamond Jewel,' 'Gay Jewel,' and 'Ruby Jewel.

Magazine  (Aug 1965)  Page(s) 31-32, vol 21, no 2.  
 
Nearly all of the modern Miniatures are hardy outdoors. ‘Perla de Alcanada’, a strong thorny crimson, will survive a temperature of 20 degrees below zero, but ‘Diamond Jewel’, a dainty small white, needs protection at zero.