Try ebay, they have lots of cute stuff on there ♥
Or you could try makins some yoursels with polymer clay........
Online
There is an online shop that stocks Kawaii. And there is Kawaii's own site and their shop in Edinburgh.
One can purchase cheap coral earrings at a variety of online retailers including Amazon, Overstock, eBay, and bjbead. This product can also be purchased at Walmart, Target, JcPenney, Macys, and Nordstrom.
You can buy sterling silver earrings relatively cheap at Overstock. Prices range from $10 to over $100, depending on what you're looking for. You can also try Amazon.
play matters thinkfasttoys.com erasercrazy.com
target
you can buy them from melovewholesale.com sarahandashley.com strapya.com or kawaii-land.com
An Avon Jewellery gift set can be pretty cheap depending on what you purchase. You can buy just earrings or earrings and a necklace or those and a bracelet. Usually they run around $60-70 depending on what you choose.
Kohl's has a lot of diamond earrings, but of the earrings have colors on them they are a bit expensive.
If you're looking for really good quality, you can go to BlueStone's website; their earrings are the highest quality with real gold and embedded diamonds, but you may need a converter handy as all the prices are in rupees (and they're not cheap).
Go Fashhiontiy There are many cheap and discount products on it.
At Claire's and other outlet stores there are many used gold hoop earringgs that can be bought at a very cheap price. Also online auction sites have very cheap prices