Diamond vs Purina Cat Chow

Diamond vs. Purina Cat Chow

In this comparison article for Diamond vs Purina Cat Chow, we'll highlight the key differences between these two pet food brands. To properly compare Diamond and Purina Cat Chow, we'll use up-to-date nutritional and price information.

There are many factors to consider when choosing the best pet food brand for your pet. Factors such as ingredient quality, guaranteed analysis, product safety, brand history, and cost are among the most important factors to consider.

Throughout this Purina Cat Chow vs Diamond comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Diamond Review Page or Purina Cat Chow Review Page.

Guaranteed Analysis: Purina Cat Chow vs. Diamond

According to AAFCO, all pet food labels must provide a guaranteed analysis of nutrient content. The analysis must provide guaranteed minimum percentages of crude protein and crude fat, and maximum percentages of crude fiber and moisture.

All percentages used in this comparison are averages reported on a dry matter basis.

Diamond Cat Food vs. Purina Cat Chow Cat Food

Dry Cat Food Diamond Purina Cat Chow
Crude Protein 37.8% 39.7%
Crude Fat 19.7% 12.5%
Crude Fiber 4.7% 4.7%

Crude Protein Comparison For Cat Food

Cats require twenty-two amino acids to sustain life. Eleven of these amino acids are synthesized naturally, the remaining eleven are consumed. Protein is the nutrient which provides some or all of these eleven essential amino acids.

As you can see, Diamond and Purina Cat Chow guarantee a similar amount of crude protein.


Crude Fat Comparison For Cat Food

There are many ways in which dietary fat contributes to the overall health of our feline friends. Here is a short list of benefits provided by fats (not exhaustive):

  • Help transport nutrients across cell membranes
  • Fats produce metabolites, which help control inflammation
  • Maintain healthy blood pressure
  • Slow the growth of yeast infections
  • Fats improve the taste/texture of food.

The table shows that Purina Cat Chow provides far less fat than Diamond. The difference in fat content is roughly 7.25%.


Diamond and Purina Cat Chow both provide roughly the same amount of crude fiber.

Diamond Pet Food Ingredients vs. Purina Cat Chow Pet Food Ingredients

Diamond and Purina Cat Chow both use the following controversial ingredients in many of their products:

Pea Protein
Brewers Rice
Corn Gluten Meal
Powdered Cellulose
Chicken By-Product Meal
Poultry By-Product Meal

Here are some of the controversial ingredients used only by Diamond.

Meat Meal
Ground Corn
Tomato Pomace
Beef By-Products
Ground Whole Grain Corn
Canola Oil (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Purina Cat Chow.

Corn Meal
Canola Meal
Ground Wheat
Soybean Flour
Soybean Hulls
Ground Whole Wheat
Ground Yellow Corn
Meat And Bone Meal
Turkey By-Product Meal
Animal Fat (Preserved With Mixed Tocopherols)

We believe that certain pet food ingredients are linked to adverse health affects; these ingredients are classified as harmful.

Here are some of the harmful ingredients used only by Diamond.

Menadione Sodium Bisulfite

Here are some of the harmful ingredients used only by Purina Cat Chow.

Blue 2
Red 40
Yellow 5
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Diamond & Purina Cat Chow?

Diamond has been recalled once.

  • March 10, 2013: low level of thiamine (Vitamin B1)

According to our records, Purina Cat Chow has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Cat Food Diamond Purina Cat Chow
Per Pound $1.23 $1.33
Per Calorie $0.0007 $0.0008

The average cost-per-lb is heavily influenced by the varying amounts of moisture present in each brand's food products (wet vs. dry food, dry vs. freeze-dried food, etc). However, the average cost-per-kcal eliminates the influence of moisture. Therefore, the average cost-per-kcal is the better metric to consider.

If you'd like to calculate the average cost-per-day or cost-pet-year of feeding Diamond or Purina Cat Chow, input your pet's weight into our cost analyzer widget.

Averages price data can identify whether or not there exists a significant price difference between two brands. However, the actual price that you'll pay for Diamond or Purina Cat Chow will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Diamond and Purina Cat Chow. In addition, we currently have some great coupons for our readers.


Disclosure: PawDiet has an affiliate relationship with stores featured (or linked-to) in this article. We are compensated for referring customers. Thank you for shopping with our retail partners!

Where To Buy Diamond Pet Foods

You can purchase Diamond pet foods from the following stores:






Where To Buy Purina Cat Chow Pet Foods

You can purchase Purina Cat Chow pet food products from these retailers:






Type Of Pet Foods Available

Product Diamond Purina Cat Chow
Dry Dog Food 21 Recipes
Wet Dog Food 3 Recipes
Dog Treats 6 Treats
Dry Cat Food 4 Recipes 8 Recipes
Wet Cat Food 3 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

Compare Diamond To

Compare Purina Cat Chow To

Brands Similar To