A $500 platinum wedding band can cost up to $1,000 on eBay, but it doesn’t have to be.

With sapphati a sappherette wedding band, you can spend as little as $30 to make your wedding ring a jewel of its own, or spend up to three times that to add a gold plating.

And you can get the ring made in one go for less than $20, according to sapphisira a.sapphira.com.

Here’s how to buy one for $2,500, or save $300 for two.