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Diamond Pro89 vs Zeal

Diamond Pro89 is made by Diamond Pet Foods (owned by Schell & Kampeter, Inc.), and Zeal by Natural Pet Treat Company Limited. On KibbleLab, Zeal averages 9.0 out of 10 across its scored foods, compared with 8.5 for Diamond Pro89. Diamond Pro89 makes food for dogs, while Zeal covers cats and dogs.

Diamond Pro89 and Zeal compared

Diamond Pro89 Zeal
Manufacturer Diamond Pet Foods Natural Pet Treat Company Limited
Parent company Schell & Kampeter, Inc. Independent
Founded 1970 1999
Headquarters Meta, Missouri, USA Auckland, New Zealand
Products listed 1 3
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) 9.0 (avg of 3)
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 Zeal: how they compare

Scores

Zeal scores higher on KibbleLab, averaging 9.0 out of 10 across 3 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. Zeal is made by Natural Pet Treat Company Limited, an independent maker, based in Auckland, New Zealand, founded in 1999.

Standards and range

Neither meets WSAVA's published manufacturer criteria. KibbleLab lists 1 Diamond Pro89 food and 3 Zeal foods.

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Common Questions

Which scores higher on KibbleLab, Diamond Pro89 or Zeal?

Zeal scores higher: it averages 9.0 out of 10 across 3 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 Zeal?

Diamond Pro89 is made by Diamond Pet Foods, which is owned by Schell & Kampeter, Inc. Zeal is made by Natural Pet Treat Company Limited.

Which brand has more products on KibbleLab?

Zeal has 3 products in the KibbleLab database, compared with 1 for Diamond Pro89.

Where is each brand based?

Diamond Pro89 is based in Meta, Missouri, USA. Zeal is based in Auckland, New Zealand.

Have Diamond Pro89 or Zeal been recalled?

Neither Diamond Pro89 nor Zeal 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 Zeal .

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.