IGraduated

Returned by GraduatedApi - a band whose section grows toward the centre stone, carrying a run of stones that shrink toward the finger. Multiple gems, so no single mother gem. Adds to IParametricObject:

Member	Meaning
RingSizeLabel / RingSizeRegion / RingDiameterMm	Ring size
Shank	The band - IGraduatedShank
Gems	The stone run - IGraduatedGems

Every setter regenerates the shank in place, re-baking stones, prongs and the under-bezel rail.

The band (IGraduatedShank)

Member	Meaning
TopProfile / BottomProfile	The two profiles the section morphs between - IGraduatedProfile each
CutBumping / OpeningMargin	mm
SetCutBumping / SetOpeningMargin

A profile (IGraduatedProfile)

Member	Meaning
Enabled / ProfileName / Type	Whether it is used, its RING_PROFILE asset, and how the curve is closed ("SOLID", "COMFORT", "THICKNESS")
Width / Height / Thickness / Comfort	mm
Rotation / Displacement / Orientation	Profile placement
SetEnabled, SetProfile, SetType, SetWidth, SetHeight, SetThickness, SetComfort, SetRotation, SetDisplacement, SetOrientation

The stone run (IGraduatedGems)

Most sizes come as start/end pairs: start is nearest the centre stone, end nearest the band.

Member	Meaning
Enabled / GemShape
NumberOfStones	Per side
SizeStart / SizeEnd	Stone size at each end of the run, mm
Distance	Gap between adjacent stones, mm
CenterStoneSize	mm
Lift / Vertical / GemInside	Placement, mm
GemMoveInZStart / GemMoveInZEnd	mm
InnerWidth / InnerHeight / BrightCut	Channel, mm
ProngsEnabled / ProngType / ProngCutByRingSize	The prongs
ProngHeightStart / ProngHeightEnd	mm
ProngOverGirdleStart / ProngOverGirdleEnd	mm
AutomaticProngDiameter / ProngDiameterStart / ProngDiameterEnd	mm
ProngSeparationStart / ProngSeparationEnd	mm
ProngMoveInZ / ProngGrow / ProngMinDiameter / EndProngCount / ProngSpacing / ProngDistance	Prong layout
UnderBezelEnabled	The rail under the stones
UnderBezelWidth / UnderBezelHeight / UnderBezelOverGirdle / UnderBezelGirdleWidth / UnderBezelBottomWidth / UnderBezelGemInside	The rail, mm - height 0 means auto (drop to the finger curve)
DrillType / DrillWidth / DrillHeight / DrillAllowIntersection	Drills
ExtensionForManufacturing	mm
SetSizes(start, end), SetProngHeights(start, end), SetProngDiameters(start, end), SetProngSeparation(start, end), SetProngOverGirdle(start, end), SetGemMoveInZ(start, end)	The paired setters
Plus one setter per remaining member