Margin means you can actually buy customers
Jewelry usually carries the gross margin to pay for traffic, which is why it works on Google where thinner categories struggle. It is also why the auction is crowded.
Say what the material actually is
Gold-plated, vermeil, sterling silver, stainless, moissanite, lab-grown. Vague or aspirational material claims are both a conversion problem and a misrepresentation risk. "Diamond" when it is not is a suspension, not a marketing choice.
Gifting spikes are brutal and predictable
Valentine's, Mother's Day, Christmas. Stock, budget and creative need to be ready before the curve — raising budgets mid-spike puts the bidding into learning at the worst moment.
More: Google Ads for jewelry.