Group of historical diamond replica stones

Comprising a collection of faceted paste stones imitating in size and cut 9 of the diamonds cut from the Cullinan diamond and a paste stone replicating the Cullinan original rough diamond, with fitted cases, and a collection of similar paste stones replicating 15 historical diamonds, with fitted case. 

There is a small chip to the girdle of Cullinan I, a significant chip to one point of Cullinan VI, a small chip to the girdle of the Piggot diamond, a tubular indentation to the Orloff. The box to the Cullinan rough is significantly worn; the two other boxes are moderately worn.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.