23k Gold and Diamond Polki Chand Bali Earring Pair with Ruby-red carved melons

Make a statement, with these lightweight all-polki chand balas that are a delight to the eyes. Kundan meena just doesn't get better than this. 

General Information:

Gross weight = grams
Base Metal: Gold
Metal Purity: 24K front / 23K back (what this means?)

Diamond Information:

Diamond Type: Polki
Diamond Sub-type: Kilwas (what this means?)
Diamond Shape: Uncut