The Product of Creation: Clever Sudoku Variant!

Today's Video:

Don't worry, Sleuth hasn't gone mad just yet thinking he's done so well with Sudoku that it's time to move onto creation.

This is a fantastic puzzle however with yet another new variant rule.

Link to Play:

The Product of Creation by Kennet's Dad https://tinyurl.com/SudokuSleuthProductOfCreation

Rules:

Normal sudoku rules apply.

A red "X" indicates a product square: any 2x2 region of cells where the product of the digits in cells on the negative diagonal (top-left to bottom-right) divided by the product of the digits in cells on the positive diagonal (bottom-left to top-right) must equal 1.

Digits in cells joined by a black dot are in a 1:2 ratio.

Digits in cells joined by a blue dot are in a 1:3 ratio.