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Diamond vs Stella and Chewy's

Diamond vs. Stella and Chewy's

In this comparison article for Diamond vs Stella and Chewy's, we'll highlight the key differences between these two pet food brands. To properly compare Diamond and Stella and Chewy's, 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 Stella and Chewy's 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 Stella and Chewy's Review Page.

Guaranteed Analysis: Stella and Chewy's 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 Dog Food vs. Stella and Chewy's Dog Food

Dry Dog Food Diamond Stella and Chewy's
Crude Protein 27.6% 39.4%
Crude Fat 16.7% 25.9%
Crude Fiber 4.5% 5.5%
Wet/Canned Dog Food Diamond Stella and Chewy's
Crude Protein 43.9% 49.0%
Crude Fat 25.8% 29.2%
Crude Fiber 4.5% 7.2%

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 Stella and Chewy's dry dog foods provide significantly more protein than Diamond. More specifically, Stella and Chewy's guarantees at least 11.83% more protein. For wet dog foods, Stella and Chewy's provides more protein (about 5.02% 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.

Stella and Chewy's dry dog foods clearly provides more fat than Diamond. In fact, the difference between the fat content is roughly 9.13%, which is a significant amount. For wet dog foods, Stella and Chewy's typically provides a little more fat (about 3.45% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet dog foods, Stella and Chewy's typically provides a little more fiber (about 2.61% more).

Diamond Cat Food vs. Stella and Chewy's Cat Food

Dry Cat Food Diamond Stella and Chewy's
Crude Protein 36.7% 44.4%
Crude Fat 17.6% 25.0%
Crude Fiber 5.2% 5.4%
Wet/Canned Cat Food Diamond Stella and Chewy's
Crude Protein 44.7% 48.2%
Crude Fat 22.0% 26.4%
Crude Fiber 6.1% 7.1%

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.

There is a relatively large difference between the protein content of Stella and Chewy's and Diamond. On average, Diamond dry cat food recipes contain 7.77% less protein than Stella and Chewy's recipes. For wet cat foods, Stella and Chewy's typically provides a little more protein (about 3.54% more).


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.

Diamond dry recipes contain 7.45% less fat than Stella and Chewy's dry recipes. This difference in fat content is a notable difference between Stella and Chewy's and Diamond. In addition, Stella and Chewy's wet cat foods also provide more fat than Diamond wet foods.


Both brands provide roughly the same amount of crude fiber. With regards to wet cat food, Stella and Chewy's and Diamond also provide roughly the same amount of crude fiber.

Diamond Pet Food Ingredients vs. Stella and Chewy's Pet Food Ingredients

Diamond and Stella and Chewy's both use the following controversial ingredients in many of their products:

Tomato Pomace

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

Meat Meal
Canola Oil
Ground Corn
Brewers Rice
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)

Here are some of the controversial ingredients used only by Stella and Chewy's.

Pea Protein

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 Stella and Chewy's.

Menadione Sodium Bisulfate Complex

Product Safety: Recall History of Diamond & Stella and Chewy's?

Diamond has been recalled once.

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

Stella and Chewy's has been recalled 2 times.

  • July 5, 2015: Listeria monocytogenes
  • Dec. 11, 2015: Listeria monocytogenes

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Diamond Stella and Chewy's
Per Pound $1.35 $38.12
Per Calorie $0.0008 $0.0172
Dry Cat Food Diamond Stella and Chewy's
Per Pound $1.98 $39.87
Per Calorie $0.0012 $0.0187

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 Stella and Chewy's, 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 Stella and Chewy's 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 Stella and Chewy's. 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:


43 Recipes In-Stock Today

30 Recipes In-Stock Today

33 Recipes In-Stock Today

Where To Buy Stella and Chewy's Pet Foods

You can purchase Stella and Chewy's pet food products from these retailers:


54 Recipes In-Stock Today

19 Recipes In-Stock Today

34 Recipes In-Stock Today

24 Recipes In-Stock Today

Type Of Pet Foods Available

Product Diamond Stella and Chewy's
Dry Dog Food 27 Recipes 21 Recipes
Wet Dog Food 3 Recipes 6 Recipes
Dog Treats 6 Treats 20 Treats
Dry Cat Food 6 Recipes 3 Recipes
Wet Cat Food 3 Recipes 6 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores