How Heavy is Platinum Compared to Gold? Density of Gold & Platinum

Gold and Platinum Bars

Comparing the weight of Gold to Platinum.

How heavy is Gold compared to Platinum? In addition, what is the density of gold compared to other precious metals. The same item of jewellery will differ in weight depending on the metal of composition.

This is an important detail when considering the cost per gram of precious metal alloys.  As a result, there is a great variation in both weight and cost depending on the metal chosen. As a guide, comparative weight differences work out as follows.

  • Platinum is approx 88% heavier than 9ct Gold.
  • Platinum is approx 59% heavier than 14ct Gold
  • Platinum is approx 34% heavier than 18ct Gold.
  • Platinum is approx 21% heavier than 22ct Gold
  • Platinum is approx 11% heavier than Fine Gold.

As a rule of thumb, Platinum tends to be one third heavier than 18ct Gold.  950 Palladium tends to be around half the weight of Platinum.

Can you feel the weight difference between Platinum and Gold?

Place a substantial wedding ring in the palm of your hand in each metal. Platinum feels far more weighty than 9 carat or 18ct Gold. For this reason, Platinum is considered to feel more luxurious. By comparison, its density provides a feeling of substance.

The Density of Gold

The density of gold is the degree of compactness of a substance. Gold is Gold has a density of 19.3 g/cm

Comparing the density of Gold to other precious metals provides us with the following set of figures. As you will see, Gold has the second highest density compared to the other popular precious metals. Here Gold density is shown in kg/m3

Platinum – 21400 kg/m3

Gold  – 19320 kg/m3

Palladium – 12160kg/m3

Silver – 10490kg/m3

How weight affects the price of Gold over Platinum

When the price of Gold exceeds the price of Platinum, our Platinum engagement rings remain more expensive by comparison. This is due to the higher density and additional weight compared to 18ct Gold. Despite the higher price per gram, Platinum being 1/3rd heavier retains its higher price for our finished rings.

When is the best time to buy Platinum?

In recent months, Platinum has fallen in price. Much of this change is owing to usage changes in the car industry. As a result, it is advantageous to choose Platinum today. For any buyer seeking a white metal, our recommendation is always Platinum.

Platinum price chart

Comparing two white metals and the price of Platinum and Palladium compared. 

What is the weight of Platinum compared to Palladium?

Palladium appears almost identical to Platinum. In contrast, the weights of both metals differ. For example, Platinum weighs far heavier than Palladium—at almost double the weight.

Buying Gold as an Investment

If you are considering Gold as an investment, there are many ways to purchase gold. Buying physical gold is one of the most popular ways to purchase gold. Choose a facility that offers purchase and hold facility. This enables you to hold the gold in a secure vault, with access to an online account.

Use the chart below, or click through for detailed guidance on how to calculate an equivalent weight in one precious metal to another.

Buying Platinum as an investment

Buyers purchasing Platinum at this time stand the chance of long term gains. There is always a risk when purchasing any precious metal, stocks or shares. Prices rise and fall. However, Platinum is currently rising after a period of time at a low price.

Should you invest in Gold jewellery?

If you’re planning to invest in Gold by purchasing jewellery, consider the value of your items. Various costs contribute to the cost of jewellery. These include the cost of crafting items. In addition, both manufacturers and retailers apply a margin on jewellery. Turning jewellery back into cash requires further expense to break-down and refine the metal. For this reason, investing in bullion is a better way of enjoying a return on your investment as the price of Gold rises.

Precious metal weights compared

The following chart provides an easy-to-use formula for precious metal weight conversion. Follow the link below for a detailed explanation on how to use the chart. Rather than measuring the density of gold, the following chart compares the gram weight of gold to most other jewellery materials including wax, used for modelling jewellery designs.

weight of platinum compared to gold - compare the density of gold to other precious metals

Further information can be found on our metal weight conversion chart.

Mark Johnson

About Mark Johnson

Mark attended Liverpool University and went on to pursue a career in the diamond industry. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. Anyone interested can connect with Mark on Linkedin via the profile link.

Mark Johnson

About Mark Johnson

Mark attended Liverpool University and went on to pursue a career in the diamond industry. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. Anyone interested can connect with Mark on Linkedin via the profile link.