5 diamond stocks to watch

Ready to invest in the precious gem industry? Learn how to invest in diamond stocks in just a few steps.

The best diamond stocks depend on your portfolio and investment goals — while volatility can be ideal for day traders, long-term investors will want to look to stocks with steadier gains over time.

You'll also want to consider which stocks are easy to buy. Many diamond stocks are located on non-US exchanges, which means you'll need a brokerage account that offers access to international stocks. Different brokerages offer access to different exchanges, so if you're interested in a specific non-US stock, you'll want to check if it's available through your brokerage account.

5 popular diamond stocks to watch

We round up a selection of stocks in or related to the precious gem industry, weighting the list more heavily towards popular mid- and large-cap stocks.

  1. Alerus Financial (ALRS)
  2. Rio Tinto ADR (RIO)
  3. Anglo American (AAL)
  4. Zhengzhou Sino Crystal Diamond (300064)
  5. SF Diamond (300179)

Compare investment accounts that help you research stocks

The diamond stocks industry is affected by a range of complex factors such as trade policies, regulations, and fluctuating supply and demand. So when considering diamond stocks to buy, it's important that you have access to vital information about a company's financial health, leadership team, and market positioning.

Our picks for platforms with research tools

Best for Beginners

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Easy to use app
  • 100 free trades signup offer
  • Easy-to-use platform
  • Low fees
  • Student and young investor discounts

Best for Lowest Commissions

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Low margin rates
  • Access to international stock exchanges
  • Low margin rates
  • Powerful research tools

Best for Low Fees

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CA & US trading
  • 6% cash rebate plus $2,200 in trading perks
  • Low transaction fees
  • Easy-to-use app

How to invest in diamond stocks

  1. Choose an online stock trading platform. Choose from our Top Picks above, use our comparison table below or jump straight to the best stock trading apps in Canada.
  2. Sign up for an account. Provide your personal information and sign up.
  3. Set up a funding method to pay for the transaction. Deposit funds into your account by linking your banking information.
  4. Choose the stocks you want to buy. Search for the stock by name or ticker symbol like ALRS or RIO.
  5. Place your order. Buy the stock. It's that simple.

Learn more about popular diamond stocks

We round up a selection of stocks in or related to the precious gem industry, weighting the list more heavily towards popular mid- and large-cap US stocks.

1. Alerus Financial (ALRS)

Alerus Financial Corporation operates as the bank holding company for Alerus Financial, National Association that engages in the provision of various financial services to businesses and consumers. The company operates in four segments: Banking, Mortgage, Retirement and Benefit Services, and Wealth Management. It offers various deposit products, including demand deposits, interest-bearing transaction accounts, money market accounts, time and savings deposits, checking accounts, and certificates of deposit; and treasury management products, including electronic receivables management, remote deposit capture, cash vault services, merchant services, and other cash management services.

  • Previous close price: $19.78
  • Market capitalization: $512,467,136
  • 1 year performance: -9.76%
  • P/E ratio: 118.9706
Buy ALRS stock on Interactive Brokers

2. Rio Tinto ADR (RIO)

Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore, Aluminium, Copper, and Minerals Segments. The Iron Ore segment engages in the iron ore mining, and salt and gypsum production in Western Australia.

  • Previous close price: $59.23
  • Market capitalization: $99,351,773,184
  • 1 year performance: -18.26%
  • P/E ratio: 9.0046
Buy RIO stock on Interactive Brokers

3. Anglo American (AAL)

Anglo American plc operates as a mining company in the United Kingdom and internationally. It explores for rough and polished diamonds, copper, platinum group metals and nickel, steelmaking coal, and iron ore; and nickel, polyhalite, and manganese ores. Anglo American plc was founded in 1917 and is headquartered in London, the United Kingdom.

  • Previous close price: 2,333.00p
  • Market capitalization: $29,356,259,328
  • 1 year performance: 28.09%
Buy AAL stock on Interactive Brokers

4. Zhengzhou Sino Crystal Diamond (300064)

Zhengzhou Sino-Crystal Diamond Co. ,Ltd. researches, develops, manufactures, and markets synthetic diamonds and related products in China.

  • Previous close price: ¥0.00
  • Market capitalization: $1,591,233,536
  • 1 year performance: N/A
Buy 300064 stock on Interactive Brokers

5. SF Diamond (300179)

SF Diamond Co. ,Ltd. manufactures and sells polycrystalline diamond (PCD) and related products in China.

  • Previous close price: ¥12.97
  • Market capitalization: $5,223,521,792
  • 1 year performance: N/A
  • P/E ratio: 43
Buy 300179 stock on Interactive Brokers

Buy diamond stocks from these online trading platforms

Compare special offers, low fees and a wide range of investment options among top trading platforms.

Note: The dollar amounts in the table below are in Canadian dollars.

1 - 6 of 6
Product CAFST Finder Score Available Asset Types Account Types Stock Trading Fee Account Fee Offer
Finder Score
Stocks, Bonds, Options, Index Funds, ETFs, Currencies, Futures
RRSP, TFSA, Personal, Joint
min $1.00, max 0.5%
$0
Finder Score
Stocks, Bonds, Options, Mutual Funds, ETFs, GICs, Precious Metals, IPOs
RRSP, RESP, RRIF, TFSA, Personal, Joint
$6.95
$0 if conditions met, or $100
Get 100 free trades when you open a CIBC Investor’s Edge account using promo code EDGE2425. Plus, get $200 or more cash back. Valid until March 31, 2025.
Finder Score
Stocks, Options, ETFs
RRSP, TFSA, Personal
$0.014/stock
$0
Enjoy a 6% cash rebate, plus $2,200 in trading perks.
Finder Score
Stocks, Bonds, Options, Mutual Funds, ETFs, GICs, Precious Metals, IPOs
RRSP, RESP, RRIF, TFSA, Personal, Joint, Business
$6.95 - $9.95
$0 if conditions met, otherwise $25/quarter
Finder Score
Stocks, Bonds, Options, Mutual Funds, ETFs, Forex, GICs, Precious Metals, IPOs
RRSP, RESP, RRIF, TFSA, Personal
$4.95 - $9.95
$0
Finder Score
Stocks, Bonds, Options, Mutual Funds, ETFs, GICs
RRSP, RESP, RRIF, TFSA, Personal, Joint
$6.95 - $8.75
$0 if conditions met, otherwise $25/quarter
Get 1% cashback or more, a $150 sign-up bonus & unlimited free trades until April 30th, 2025.
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Finder Score for stock trading platforms

To make comparing even easier we came up with the Finder Score. Trading costs, account fees and features across 10+ stock trading platforms and apps are all weighted and scaled to produce a score out of 10. The higher the score the better the platform - simple.

Read the full methodology

Bottom line

While it's possible to turn a profit investing in diamond stocks, keep in mind that—like any investment—diamond stocks are not immune to risk. These stocks are subject to fluctuating conditions both in the market and in the precious gem industry, so carefully vet your picks before you invest. If you're new to investing or if it's been a while since you've taken a critical look at your investment accounts, compare brokers to make sure you're getting the best trading features for your needs.
Disclaimer: This information should not be interpreted as an endorsement of futures, stocks, ETFs, options or any specific provider, service or offering. It should not be relied upon as investment advice or construed as providing recommendations of any kind. Futures, stocks, ETFs and options trading involves substantial risk of loss and therefore are not appropriate for all investors. Trading forex on leverage comes with a higher risk of losing money rapidly. Past performance is not an indication of future results. Consider your own circumstances, and obtain your own advice, before making any trades.

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