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Diamond Pro89 vs Hill's Science Diet

Diamond Pro89 is made by Diamond Pet Foods (owned by Schell & Kampeter, Inc.), and Hill's Science Diet by Hill's Pet Nutrition (owned by Colgate-Palmolive Company). On KibbleLab, Hill's Science Diet averages 8.6 out of 10 across its scored foods, compared with 8.5 for Diamond Pro89. Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer, while Diamond Pro89 does not.

Diamond Pro89 and Hill's Science Diet compared

Diamond Pro89 Hill's Science Diet
Manufacturer Diamond Pet Foods Hill's Pet Nutrition
Parent company Schell & Kampeter, Inc. Colgate-Palmolive Company
Founded 1970 1907
Headquarters Meta, Missouri, USA Topeka, Kansas, USA
Products listed 1 73
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 Yes
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 Yes
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) 8.6 (avg of 73)
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 Hill's Science Diet: how they compare

Scores

Hill's Science Diet scores higher on KibbleLab, averaging 8.6 out of 10 across 73 scored foods, compared with 8.5 across 1 for Diamond Pro89. 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. Hill's Science Diet is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907.

Standards and range

Hill's Science Diet meets WSAVA's published manufacturer criteria, while Diamond Pro89 does not. Hill's Science Diet is accredited by the Pet Sustainability Coalition; Diamond Pro89 is not. KibbleLab lists 1 Diamond Pro89 food and 73 Hill's Science Diet foods.

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Common Questions

Which scores higher on KibbleLab, Diamond Pro89 or Hill's Science Diet?

Hill's Science Diet scores higher: it averages 8.6 out of 10 across 73 scored foods, compared with 8.5 for Diamond Pro89. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Diamond Pro89 and Hill's Science Diet?

Diamond Pro89 is made by Diamond Pet Foods, which is owned by Schell & Kampeter, Inc. Hill's Science Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company.

Which brand has more products on KibbleLab?

Hill's Science Diet has 73 products in the KibbleLab database, compared with 1 for Diamond Pro89.

Where is each brand based?

Diamond Pro89 is based in Meta, Missouri, USA. Hill's Science Diet is based in Topeka, Kansas, USA.

Do Diamond Pro89 and Hill's Science Diet meet WSAVA criteria?

Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer; Diamond Pro89 does not, based on public information. WSAVA publishes criteria; it does not certify or endorse brands.

Are Diamond Pro89 or Hill's Science Diet PSC Accredited?

Hill's Science Diet is a PSC Accredited business. The Pet Sustainability Coalition is a nonprofit that Accredits pet companies on their environmental and social impact, through third-party verification.

Have Diamond Pro89 or Hill's Science Diet been recalled?

Neither Diamond Pro89 nor Hill's Science Diet 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 Hill's Science Diet .

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.