A Real Gem

1c+3c set to P | turn BH ; opening out into circle 4H to L back to places (M leading)
1c+3c dance RHA with 2W/4W ; then LHA with 4M/2M end in tandem (M leading) facing 2W/4W
1c+3c dance ½ tandem reel3 across ending side by side facing own place ; turn corner EH 9/8 to diagonals with 1W, 4M, 3W, 2M at the points of a diamond in 1st, 2nd, 3rd, 4th place and 1M+2W also 3M+4W in tandem facing 1W/3W
1M+2W also 3M+4W ½ diag reel3 giving Lsh to 1W/3W ; all turn P 7/8 (1c+3c RH, 2c+4c LH) and twirl into progressed places (2,3,4,1)
Longer instructions are at https://my.strathspey.org/u/murrough/RealGem.pdf