Silver Blue Faux Pearl & CZ Pendant Marked S925

Marked S925 Silver Blue Faux Cultured Pearl & CZ Pendant I am calling it a faux pearl but it may very well be geniune I am calling them cubic zirconias but they very well may be diamonds. They did test positive on my diamond tester. Marked S925 on back Free form shape Very good condition! Nonsmoking home. Fast shipping. Style: pearl, sterling silver, pendant, fine jewelry, diamond. See pictures for condition and size. Not sure of age.