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Diamond Pro89 vs Merrick

Diamond Pro89 is made by Diamond Pet Foods (owned by Schell & Kampeter, Inc.), and Merrick by Merrick Pet Care (owned by Nestlé Purina PetCare). On KibbleLab, Diamond Pro89 averages 8.5 out of 10 across its scored foods, compared with 8.0 for Merrick. Diamond Pro89 makes food for dogs, while Merrick covers cats and dogs.

Diamond Pro89 and Merrick compared

Diamond Pro89 Merrick
Manufacturer Diamond Pet Foods Merrick Pet Care
Parent company Schell & Kampeter, Inc. Nestlé Purina PetCare
Founded 1970 1988
Headquarters Meta, Missouri, USA Amarillo, Texas, USA
Products listed 1 118
Serves Dogs Cats & dogs
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$$ $$$$
WSAVA guidelines The World Small Animal Veterinary Association (WSAVA) publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
No No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact, through third-party verification. It reflects sustainability practices, not food quality.
No No
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science, and no one can pay for a higher score. How scoring works .
8.5 (avg of 1) 8.0 (avg of 118)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

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Diamond Pro89 vs Merrick: how they compare

Scores

Diamond Pro89 scores higher on KibbleLab, averaging 8.5 out of 10 across 1 scored foods, compared with 8.0 across 118 for Merrick. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science, and no one can pay for a higher score.

Who makes them

Diamond Pro89 is made by Diamond Pet Foods, owned by Schell & Kampeter, Inc., based in Meta, Missouri, USA, founded in 1970. Merrick is made by Merrick Pet Care, owned by Nestlé Purina PetCare, based in Amarillo, Texas, USA, founded in 1988.

Standards and range

Neither meets WSAVA's published manufacturer criteria. KibbleLab lists 1 Diamond Pro89 food and 118 Merrick foods.

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Common Questions

Which scores higher on KibbleLab, Diamond Pro89 or Merrick?

Diamond Pro89 scores higher: it averages 8.5 out of 10 across 1 scored foods, compared with 8.0 for Merrick. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Diamond Pro89 and Merrick?

Diamond Pro89 is made by Diamond Pet Foods, which is owned by Schell & Kampeter, Inc. Merrick is made by Merrick Pet Care, which is owned by Nestlé Purina PetCare.

Which brand has more products on KibbleLab?

Merrick has 118 products in the KibbleLab database, compared with 1 for Diamond Pro89.

Where is each brand based?

Diamond Pro89 is based in Meta, Missouri, USA. Merrick is based in Amarillo, Texas, USA.

Have Diamond Pro89 or Merrick been recalled?

Neither Diamond Pro89 nor Merrick has a recall on record in the KibbleLab database. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

See the full profiles: Diamond Pro89 and Merrick .

More comparisons

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either brand. KibbleLab may earn affiliate commissions through links. No one can pay for placement or a higher score.

Brand and manufacturer details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing. Recall data is compiled from public FDA and manufacturer notices, and a notice may name the parent company rather than the brand. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

KibbleLab scores and commentary are editorial opinions based on published data. Represent one of these brands? Request a correction. Anyone else can email us. See our Terms.