<div class="description">
<p>"...an introduction to precious stones, including diamonds, rubies, sapphires and emeralds; written for collectors and jewelers. The author, who was a diplomat and member of the Royal Society, claims it to be the first such treatise, and provides tables at the end of the work showing current diamond prices".--lot description.
</p>
<br>Subjects: Precious stones--Valuation; Diamonds--Valuation</div>
<div class="fn value">
Dutens, L. (Louis), 1730-1812</div>
Internet Archive identifier