Italian assembled 18ct  yellow gold. Four tab set man made sapphires 6.0 x3.0mms in size two are medium bright pink and and two are medium yellow in colour. 
Man made spinels x 2 6.0 x 3mms light blue in colour. 
11.65 grams. earring dimentions are 28.7mm od  24mm id 4.47mm wide
 
Will come with an insurance valuation Recommended replacement cover $11K and recommended indemnity cover of $5000 NZD.