Make 3D logo with extrude tool.
Draw circle with ellipse tool.
Draw two same objects with rectangle tool (just duplicate first:ctrl+D)
Select all objects and convert to curves CTRL+Q
Select all objects and in the property bar use Intersect option.
Delete rectangle object out of circle
Take Shape tool in toolbox
Select one of two shape objects and use option Convert line to curve in property bar.
With cursor double click on center of the straigh line and move like in picture below
Repeat same with second object.
With text tool tipe one text symbol, and put him in the center of circle. (Select circle and symbol and press C then E)
Select two shaping objects and symbol without circle.
Use Weld option in property bar.
This is effect you must get.
Go in tool bar and take option fountain fill
In Fountain fill tool you have option Presets. Take Gold plated effect.
This is gold effect you must get.
In Tool box select Extrude tool
From center of gold object move with cursor like in picture below.
Select circle behind gold object and again in fountain fill use baby effect. Replace color with color you want. In this case black and sky blue.
This is your Gold Inicial Logo.