Data updated: July 2026
MARRIN COSTELLO ✓
@marrincostello · Instagram · US · jewelry
About MARRIN COSTELLO
Marrin Costello is a lifestyle creator and entrepreneur based in the United States, recognized for her work in the jewelry niche. With a follower count of 22,718, she operates within the micro influencer category. Her content reflects a glamorous and sophisticated vibe, showcasing her expertise in jewelry, fashion, and entrepreneurship. Marrin engages her audience through various formats, including static posts, carousels, and reels. Some content may require brand review.
@marrincostello's followers & following
@marrincostello currently has 22,718 followers on Instagram and follows 943 accounts, a follower-to-following ratio of 24.09. That places the account in the micro tier of jewelry creators.
@marrincostello's content
@marrincostello has published 254 posts to date, working across static-posts, carousels, reels. The account's content is classified under jewelry, fashion, entrepreneurship. Bio: “Founder + CEO @marrincostellojewelry @marrincostelloradio”
AI quality check on @marrincostello
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@marrincostello's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@marrincostello's audience
Audience snapshot
20% male · 80% female
Core age group25-34
The audience skews predominantly female at 80%, with a significant age concentration in the 25-34 range. The top geographic location is the United States, indicating a focused market for her content.
Collaboration pricing
Price tierPremium
Get the AI fair-price estimate → free trialWhich brands fit MARRIN COSTELLO?
Marrin Costello is well-suited for collaborations with brands in the jewelry, fashion, and lifestyle sectors. Her sophisticated and professional tone aligns with premium brands seeking to reach a young, female audience interested in luxury and entrepreneurship.
Frequently asked questions
How many Instagram followers does @marrincostello have?
As of July 2026, @marrincostello has 22,718 followers (23K) on Instagram, follows 943 accounts, and has published 254 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @marrincostello?
Verified contact details for @marrincostello — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @marrincostello's contact info — free trial →
How much does @marrincostello charge for a sponsored post?
@marrincostello sits in the premium price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @marrincostello's net worth?
@marrincostello's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 23K followers and a premium price tier in jewelry, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @marrincostello have fake followers?
Zaver's AI authenticity check scores @marrincostello 93/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @marrincostello?
@marrincostello's 23K followers skew 20% male / 80% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @marrincostello's report on Zaver.
Which influencers are similar to @marrincostello?
Zaver lists comparable jewelry creators in United States in the "Influencers like @marrincostello" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 9,349 vetted jewelry creators with plain-English queries.
What is the follower count?
Marrin Costello has 22,718 followers.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
Marrin is in the premium price tier, but specific pricing may vary.
What is the content niche?
Marrin primarily focuses on jewelry, with additional content in fashion and entrepreneurship.
