vs
Diamond vs Under The Sun

Diamond vs. Under The Sun

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

Guaranteed Analysis: Under The Sun 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. Under The Sun Dog Food

Dry Dog Food Diamond Under The Sun
Crude Protein 27.6% 27.5%
Crude Fat 16.7% 12.1%
Crude Fiber 4.5% 4.6%
Wet/Canned Dog Food Diamond Under The Sun
Crude Protein 43.9% 41.1%
Crude Fat 25.8% 24.5%
Crude Fiber 4.5% 6.1%

Crude Protein Comparison For Dog Food

Protein is an extremely important part of your dog's diet. Without sufficient protein, dogs can develop a wide-range of serious health problems.

Both brands provide roughly the same amount of crude protein. For wet dog foods, Diamond typically provides a little more protein (about 2.87% more).


Crude Fat Comparison For Dog Food

Dietary fats serves a multitude of roles in the proper development and function of our canine companions. Here are some of the benefits (not exhaustive):

  • Help produce prostaglandins, which reduce inflammation among other critical functions.
  • Aid in the absorption of fat-soluble vitamins
  • Improve skin and coat health
  • Improve the palatially of your dog's food

Under The Sun dry recipes contain 4.69% less fat than Diamond dry recipes. This difference in fat content is a notable difference between Diamond and Under The Sun. For wet dog foods, Diamond and Under The Sun provide roughly the same amount of fat.


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

Diamond Cat Food vs. Under The Sun Cat Food

Wet/Canned Cat Food Diamond Under The Sun
Crude Protein 44.7% 46.5%
Crude Fat 22.0% 22.3%
Crude Fiber 6.1% 6.7%

Crude Protein Comparison For Cat Food

Protein is an extremely important part of your cat's diet. Without sufficient protein, cats can develop a wide-range of serious health problems.

There is a relatively insignificant difference between the crude protein content of the two brands.


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):

  • Aid in the digestion and absorption of fat-soluble vitamins
  • Improve the health of skin/coat
  • Slow the growth of yeast infections
  • Slow the development and spread of certain type of cancers.
  • Maintain healthy blood pressure

Diamond Pet Food Ingredients vs. Under The Sun 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)

Here are some of the controversial ingredients used only by Under The Sun.

Canola Oil
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 Under The Sun.

Menadione Sodium Bisulfate Complex
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Diamond & Under The Sun?

Diamond has been recalled once.

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

According to our records, Under The Sun has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Diamond Under The Sun
Per Pound $1.40 $1.73
Per Calorie $0.0009 $0.0012
Wet Dog Food Diamond Under The Sun
Per Pound $2.41 $4.67
Per Calorie $0.0041 $0.0097
Wet Cat Food Diamond Under The Sun
Per Pound $3.43 $6.35
Per Calorie $0.0070 $0.0141

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 Under The Sun, 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 Under The Sun 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 Under The Sun. 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:


32 Recipes In-Stock Today

34 Recipes In-Stock Today

35 Recipes In-Stock Today

Where To Buy Under The Sun Pet Foods

You can purchase Under The Sun pet food products from these retailers:


8 Recipes In-Stock Today

8 Recipes In-Stock Today

10 Recipes In-Stock Today

Type Of Pet Foods Available

Product Diamond Under The Sun
Dry Dog Food 27 Recipes 7 Recipes
Wet Dog Food 3 Recipes 8 Recipes
Dog Treats 6 Treats
Dry Cat Food 6 Recipes
Wet Cat Food 3 Recipes 9 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores