Use different "Curve" function to draw your jewelry.
"Jali" grid pattern making
"Jali" hollow pattern making2
"Clean Up" Fillet corner
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Arc edge tool
"Helix" & "Spiral
"Extrude Curve" & "Dup Edge"
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Extrusion and extraction edge lines
"Split Curve"
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Dynamic cutting curve
"Through Points"
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Line, Surface function
"Extend Curve" & "Blend Curve"
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Edit curve position, blend amount
"From 2 views / Curve form 2 view" & "Cross section" & "Tween Curves"
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Flip curve from curve, blend amount
"Arc" & "Parabola" &"Hyperbola" & "Conic"
"Extract Isocurve" & "Parabola" &"Hyperbola" & "Conic"
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Extract Isocurve from surface, angle
"Rectangle" & "Polygon" &"Circle"
"Ellipse"
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Different way to draw the shape
"Offset" & "Through point" & "Normal to Surface"
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Edit the distance for offset curve
"Curve Boolean"
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Match curve