To add a price variant in Squarespace, follow these steps:
Open the Pages panel and click a store page.
Double-click a product to open the product editor.
In the product editor, under Inventory, scroll to Variants and click Add.
In the Variant Name field, type a name for the variant.
In the Price field, type the price for the variant.
Repeat steps 4 and 5 for each variant that you want to create.
Once you have created all of your variants, the price will be displayed on the product page as people select them.
Here are some additional things to keep in mind when adding price variants to your Squarespace store:
Each product can have up to 250 variant combinations.
You can't add price variants to digital download products.
If a product has multiple variants with different prices, the store page displays "From [the lowest variant price]" in the price field.
I hope this helps! Let me know if you have any other questions.
Unless I totally missed what you are asking here, in which case let me know and I'll try again.
Al