IHalo

Returned by HaloApi — a halo of small stones around one center gem. Adds to IGemSetting:

Member	Meaning
HaloStoneCount	Number of stones forming the halo ring
HaloStoneSize	Size of each halo stone, mm
HaloStoneWeight	Carat weight of one halo stone
HaloTotalWeight	Total carat weight of the halo stones
SetStoneSize(stoneSize)	Halo stone size, mm
SetStoneDistance(stoneDistance)	Distance between stones, mm
AutomaticSharedProngDistance / SharedProngDistance	Shared prongs (StoneSetting "SHARED"): true, the two prongs of a gap sit where they fit tangent to the stones and the channel edges; false, at SharedProngDistance mm centre to centre, 0 = one prong per gap on the centre line. SetAutomaticSharedProngDistance / SetSharedProngDistance (the Prong… members are the centre stone’s prongs)

Each setter regenerates the halo: the group keeps its id, the member objects are rebuilt.