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Nutro vs Diamond

Nutro vs. Diamond

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

Guaranteed Analysis: Diamond vs. Nutro

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.

Nutro Dog Food vs. Diamond Dog Food

Dry Dog Food Nutro Diamond
Crude Protein 27.0% 27.6%
Crude Fat 15.0% 16.7%
Crude Fiber 4.7% 4.5%
Wet/Canned Dog Food Nutro Diamond
Crude Protein 42.6% 43.9%
Crude Fat 24.2% 25.8%
Crude Fiber 6.1% 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.

There is a relatively insignificant difference between the crude protein content of the two brands. With regards to wet dog food, Diamond and Nutro also provide roughly the same amount of crude protein.


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.

Both brands provide roughly the same amount of crude fat. With regards to wet dog food, Diamond and Nutro also provide roughly the same amount of crude fat.


As you can see, Diamond and Nutro guarantee a similar amount of crude fiber. With regards to wet dog food, Nutro and Diamond also provide roughly the same amount of crude fiber.

Nutro Cat Food vs. Diamond Cat Food

Dry Cat Food Nutro Diamond
Crude Protein 37.3% 36.7%
Crude Fat 17.1% 17.6%
Crude Fiber 6.1% 5.2%
Wet/Canned Cat Food Nutro Diamond
Crude Protein 54.6% 44.7%
Crude Fat 22.4% 22.0%
Crude Fiber 5.1% 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.

Diamond and Nutro both provide roughly the same amount of crude protein. For wet cat foods, Nutro provides significantly more protein (about 9.92% 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.

Nutro Pet Food Ingredients vs. Diamond Pet Food Ingredients

Nutro and Diamond both use the following controversial ingredients in many of their products:

Brewers Rice
Tomato Pomace
Corn Gluten Meal
Powdered Cellulose
Canola Oil (Preserved With Mixed Tocopherols)

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

Iron Oxide
Pea Protein
Pork Plasma
Whole Wheat
Wheat Gluten
Caramel Color
Vegetable Oil
Feeding Oatmeal
Dried Corn Syrup
Ground Whole Wheat
Meat And Bone Meal
Dried Tomato Pomace
Pea Protein Isolate
Animal Fat (Preserved With Mixed Tocopherols)

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

Meat Meal
White Rice
Ground Corn
Beef By-Products
Chicken By-Product Meal
Ground Whole Grain Corn
Poultry By-Product Meal

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 Nutro.

Menadione Sodium Bisulfite Complex

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

Menadione Sodium Bisulfite

Product Safety: Recall History of Nutro & Diamond?

Nutro has been recalled 4 times.

  • Sept. 30, 2009: small pieces of melted plastic
  • Dec. 13, 2015: Mold
  • May 21, 2009: incorrect levels of zinc and potassium
  • March 16, 2007: Melamine

Diamond has been recalled once.

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Nutro Diamond
Per Pound $2.27 $1.40
Per Calorie $0.0014 $0.0009
Dry Cat Food Nutro Diamond
Per Pound $2.88 $1.89
Per Calorie $0.0017 $0.0012
Wet Dog Food Nutro Diamond
Per Pound $6.16 $2.41
Per Calorie $0.0136 $0.0041
Wet Cat Food Nutro Diamond
Per Pound $7.85 $3.43
Per Calorie $0.0162 $0.0070

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 Nutro 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 Nutro 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 Nutro 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 Nutro Pet Foods

You can purchase Nutro pet foods from the following stores:


82 Recipes In-Stock Today

69 Recipes In-Stock Today

66 Recipes In-Stock Today

Where To Buy Diamond Pet Foods

You can purchase Diamond pet food products from these retailers:


32 Recipes In-Stock Today

34 Recipes In-Stock Today

35 Recipes In-Stock Today

Type Of Pet Foods Available

Product Nutro Diamond
Dry Dog Food 54 Recipes 27 Recipes
Wet Dog Food 45 Recipes 3 Recipes
Dog Treats 12 Treats 6 Treats
Dry Cat Food 10 Recipes 6 Recipes
Wet Cat Food 39 Recipes 3 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores