What percentage of reviews are fake for this product?

28.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of C based on review authenticity analysis.

How many reviews were analyzed?

15 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 3.40 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making

Name: 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making
Brand: Amazon
SKU: B01CY55Z94
Availability: InStock
Rating: 3.4 (15 reviews)

ASIN: B01CY55Z94

Analysis Date: Oct 20, 2025 (re-analyzed Oct 20, 2025)

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Review Analysis Results

Authenticity Grade

28.00%

Fake Reviews

4.00

Original Rating

3.40

Adjusted Rating

Analysis Summary

The review set shows a mixed pattern with some legitimate concerns but also potential manipulation indicators. The product has a polarized rating distribution (mostly 5-star and 1-star reviews) which is common for products with quality control issues. Several reviews provide specific, detailed experiences with the product's performance issues, particularly with the 1mm bits failing, which suggests genuine user experiences. However, there are multiple very brief 5-star reviews ('Great quality', 'Good value', 'great service good product') that lack substantive detail and could be padding. The duplicate review (R1STU7H4VV5BT appears twice with identical content) is concerning for potential manipulation. Overall, while there are clear signs of some authentic negative experiences, the presence of repetitive, unsubstantiated positive reviews suggests some artificial inflation of ratings.

Review Statistics

1,219

Total Reviews on Amazon

-0.60

Rating Difference

Price Analysis

Price analysis pending

Price insights will be available shortly.

Understanding This Analysis

What does Grade C mean?

This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.

Adjusted Rating Explained

The adjusted rating (3.40 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.00 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.