1. Create a new file with a black background. Create a new layer named "ring". Use an elliptical tool to draw an elliptical selection area, fill it in white, draw a small elliptical selection area, and press the Delete key to Delete the area to form a ring.
2. Open the style panel, select "Web Style" in the style menu to replace the current style, and then select the "Mercury" style.
3. On the layer panel, double-click the ring layer to bring up its style panel and remove the check mark before "stroke, change the color after "shadow mode" to "R: 130G: 130 B: 130" in "slope and relief", and click "Change.
4. Layer style.
5. Create a new layer and name it "quit. Draw another rule ring in the same way and paste the ring style to it, in the left-side navigation pane, right-click the ring layer, select "Copy layer style", right-click the ring layer, and select "paste layer style ".
6. Execute the menu/edit/change/deformation, drag down a path between the two nodes in the red circle, and Enter to the following position to confirm. Ctrl + T Free transformation after the formation of the ring to the appropriate size and shape, placed on the ring.
7. Create a new layer, use the oval tool to draw an oval, fill the white space, and execute the menu, edit, transform, and deformation to push the two nodes under the deformation box inward, slightly taper the gemstone.
8. Select the "blue gel with projection" style on the style panel. Different colors of gel styles can also create green or red gem effects.
9. Final effect.