According to the Google Retail ­Advertising Blog, Valentine’s Day–related searches typically pick up around late December. Here is what Google found most jewelry-buying shoppers were searching for this year:

1. “Pandora jewelry” (above)
2. “Pandora charms”
3. “Engagement rings”	iStockphoto
4. “Jewelry armoire”	iStockphoto
5. “Birthstones by month”	Geoffrey Watt