Three gem-set cross pendants, by Theo Fennell

Three gem-set cross pendants, by Theo Fennell
The first set with square-cut pink tourmaline to an 18ct gold mount and chain, London hallmarks, pendant 4.0cm long; the second set with buff-top cabochon tanzanite in an 18ct gold mount, London hallmark, 4.0cm long; the third set with square-cut green beryl to an 18ct white gold mount and chain, London hallmarks, 2.4cm long, all in maker's box and card outer
Each with maker's marks TF