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Primal vs Diamond

Primal vs. Diamond

In this comparison article for Primal vs Diamond, we'll highlight the key differences between these two pet food brands. To properly compare Primal and Diamond, 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 Diamond vs Primal comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Primal Review Page or Diamond Review Page.

Guaranteed Analysis: Diamond vs. Primal

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.

Primal Dog Food vs. Diamond Dog Food

Dry Dog Food Primal Diamond
Crude Protein 46.3% 27.6%
Crude Fat 30.9% 16.7%
Crude Fiber 2.4% 4.5%
Wet/Canned Dog Food Primal Diamond
Crude Protein 48.7% 43.9%
Crude Fat 30.3% 25.8%
Crude Fiber 4.7% 4.5%

Crude Protein Comparison For Dog Food

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

The comparison table above shows that Primal dry dog foods provide significantly more protein than Diamond. More specifically, Primal guarantees at least 18.64% more protein. For wet dog foods, Primal provides more protein (about 4.73% more).


Crude Fat Comparison For Dog Food

Fats are an absolutely vital component of a balanced canine diet. Not only do fats provide energy, but they also serve important roles in the normal development and function of your dog's body. For example, fats help dogs produce prostaglandins, which reduce inflammation among many other significant functions.

Primal dry dog foods clearly provides more fat than Diamond. In fact, the difference between the fat content is roughly 14.15%, which is a significant amount. For wet dog foods, Primal provides more fat (about 4.56% more).


There is a small difference between the fiber content of Diamond and Primal. We can see that Diamond guarantees about 2.05% more fiber than Primal. For wet dog foods, Primal and Diamond provide roughly the same amount of fiber.

Primal Cat Food vs. Diamond Cat Food

Dry Cat Food Primal Diamond
Crude Protein 55.5% 36.7%
Crude Fat 27.0% 17.6%
Crude Fiber 3.0% 5.2%
Wet/Canned Cat Food Primal Diamond
Crude Protein 54.7% 44.7%
Crude Fat 29.0% 22.0%
Crude Fiber 4.4% 6.1%

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.

On average, Primal dry cat food recipes contain 18.80% more protein than Diamond recipes. Clearly, there is a significant difference between the protein content of Diamond and Primal. Similarly, Primal wet cat foods provide significantly more protein than Diamond wet foods.


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):

  • Fats help with the digestion and absorption of fat-soluble vitamins
  • Reduce inflammation associated with arthritis
  • Slow the growth of yeast infections
  • Prevent or reduce the likelihood of certain heart problems.
  • Aid in the development of the retina and visual cortex.

When you look at the average percentages of crude fat for dry cat food, it's clear that Primal provides significantly more fat. On average, Primal guarantees about 9.39% more protein than Diamond. For wet cat foods, Primal provides more fat (about 7.03% more).


According to our average data, Primal typically provides less fiber than Diamond. However, this difference is relatively small and doesn't represent a significant difference between the two brands. For wet cat foods, Diamond and Primal provide roughly the same amount of fiber.

Primal Pet Food Ingredients vs. Diamond Pet Food Ingredients

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

Meat Meal
Canola Oil
Ground Corn
Brewers Rice
Tomato Pomace
Beef By-Products
Corn Gluten Meal
Powdered Cellulose
Chicken By-Product Meal
Ground Whole Grain Corn
Poultry By-Product Meal
Canola Oil (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

Product Safety: Recall History of Primal & Diamond?

Primal has been recalled 2 times.

  • March 13, 2015: low thiamine level
  • Dec. 22, 2017: incorrect bone grind size

Diamond has been recalled once.

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Primal Diamond
Per Pound $42.45 $1.35
Per Calorie $0.0163 $0.0008
Dry Cat Food Primal Diamond
Per Pound $43.11 $1.98
Per Calorie $0.0180 $0.0012

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 Primal or Diamond, 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 Primal or Diamond will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Primal and Diamond. 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 Primal Pet Foods

You can purchase Primal pet foods from the following stores:


31 Recipes In-Stock Today

31 Recipes In-Stock Today

26 Recipes In-Stock Today

17 Recipes In-Stock Today

4 Recipes In-Stock Today

Where To Buy Diamond Pet Foods

You can purchase Diamond pet food products from these retailers:


43 Recipes In-Stock Today

30 Recipes In-Stock Today

33 Recipes In-Stock Today

Type Of Pet Foods Available

Product Primal Diamond
Dry Dog Food 27 Recipes
Wet Dog Food 3 Recipes
Dog Treats 7 Treats 6 Treats
Dry Cat Food 6 Recipes
Wet Cat Food 3 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores