http://www.qvcuk.com is always worth looking at - is this the sort of thing you were thinking of?
"Diamonique 11.02ct tw 10 Piece Earring & Pendant Wardrobe Sterling Silver
Item Number: 676007
Waitlist Only
QVC Price £42.50
Introductory Price £38.64
Crystals include: brilliant-cut simulated rubies, emerald-cut simulated tanzanite, oval-cut simulated fire opals, princess-cut simulated clear diamonds and pear-cut simulated purple sapphires."