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Diamond vs Zignature

Diamond vs. Zignature

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

Guaranteed Analysis: Zignature 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. Zignature Dog Food

Dry Dog FoodDiamondZignature
Crude Protein27.6%32.8%
Crude Fat16.7%16.8%
Crude Fiber4.5%5%
Wet/Canned Dog FoodDiamondZignature
Crude Protein43.9%43.4%
Crude Fat25.8%28.0%
Crude Fiber4.5%6.6%

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 table shows that Diamond provides far less protein than Zignature. The difference in protein content is roughly 5.14%. For wet dog foods, Diamond and Zignature provide roughly the same amount of protein.


Crude Fat Comparison For Dog Food

Like protein, fats are an essential part of a dog's body. Fats are needed for the proper development and function of the canine body.

As you can see, Diamond and Zignature guarantee a similar amount of crude fat. For wet dog foods, Zignature typically provides a little more fat (about 2.21% more).


Diamond and Zignature both provide roughly the same amount of crude fiber. For wet dog foods, Zignature typically provides a little more fiber (about 2.03% more).

Diamond Pet Food Ingredients vs. Zignature Pet Food Ingredients

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

Meat Meal
White Rice
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 Diamond & Zignature?

Diamond has been recalled once.

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

According to our records, Zignature has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog FoodDiamondZignature
Per Pound$1.58$3.49
Per Calorie$0.0010$0.0021
Wet Dog FoodDiamondZignature
Per Pound$3.26$4.85
Per Calorie$0.0056$0.0088

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 Zignature, 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 Zignature 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 Zignature. 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:


31 Recipes In-Stock Today

35 Recipes In-Stock Today

35 Recipes In-Stock Today

Where To Buy Zignature Pet Foods

You can purchase Zignature pet food products from these retailers:


45 Recipes In-Stock Today

42 Recipes In-Stock Today

10 Recipes In-Stock Today

24 Recipes In-Stock Today

Type Of Pet Foods Available

ProductDiamondZignature
Dry Dog Food27 Recipes21 Recipes
Wet Dog Food3 Recipes13 Recipes
Dog Treats6 Treats13 Treats
Dry Cat Food6 RecipesNone
Wet Cat Food3 RecipesNone
Cat TreatsNoneNone

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