Adorable Victorian diamond and nephrite acorn pendant.
 
The top of the acorn (the cupule) is made from high carat gold, and pave set with rose cut diamonds.
The nut itself is made from polished nephrite.
 
Jade, the gemstone, is not a single mineral but rather a term encompassing two distinct silicate minerals: jadeite and nephrite. Both belong to different mineral families and have slightly different compositions, but they share similar properties and are both classified under the umbrella term "jade"
 
In antique jewelry, the acorn symbolizes potential, growth, and fertility, representing the start of new beginnings and future abundance. It can also symbolize strength and longevity due to its connection to the mighty oak tree. Acorns were particularly popular in Victorian and Edwardian jewelry, often used in lockets and pendants to represent these themes. 
 
weighs - 3.11g
English circa 1870
measures - 17.5mm x 10.3mm (including bail but not jump ring)
condition - excellent