Join the AdLibrarySpy Discord. Free to join

Blue Nile: Diamond Jewelers vs Under Armour® Official Store

The facts we hold on both, side by side. Checked October 15, 2026.

In short

  • Under Armour® Official Store gets more monthly visits than Blue Nile: Diamond Jewelers: about 6.1M vs 4.5M.
  • Blue Nile: Diamond Jewelers runs more live Meta ads than Under Armour® Official Store: 76 vs 35.
  • Under Armour® Official Store advertised on more days in the past 12 months: 17 vs 15.
FactBlue Nile: Diamond Jewelers logoBlue Nile: Diamond JewelersUnder Armour® Official Store
Monthly visits (SimilarWeb)4.5M (Sep 2026)6.1M (Sep 2026)
Live Meta ads7635
Store createdDec 2016Dec 2016
Based inUnited StatesUnited States
NicheClothing AccessoriesApparel
Payment options detectedSplititAdyen Online Payments, Klarna

Questions shoppers ask

What is the difference between Blue Nile: Diamond Jewelers and Under Armour® Official Store?
Under Armour® Official Store gets more monthly visits than Blue Nile: Diamond Jewelers: about 6.1M vs 4.5M. Blue Nile: Diamond Jewelers runs more live Meta ads than Under Armour® Official Store: 76 vs 35. Under Armour® Official Store advertised on more days in the past 12 months: 17 vs 15.
Do Blue Nile: Diamond Jewelers and Under Armour® Official Store sell the same things?
Both are listed in related niches: Blue Nile: Diamond Jewelers in Clothing Accessories, Under Armour® Official Store in Apparel.

Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is Blue Nile: Diamond Jewelers legit? · Is Under Armour® Official Store legit?