Gold bars
The one-ounce gold bars offered at Costco have garnered significant attention as perhaps the priciest items the wholesale store stocks. As of December 2024, a Costco member posted on Reddit about finding these gold bars priced at around $2,660 each, aligning closely with typical market rates for gold during that period. Notably, whenever these gold bars become available, they tend to sell out almost immediately due to high demand.
“Costco gained significant attention for selling gold bars—an actual commodity,” explains Voda. “Customers purchased thousands of these items,” keeping the interest among Costco members quite strong.
Fancy pink diamond with a radiant cut of 1.54 carats set in a platinum halo ring
Brace yourself, because this is the most expensive ring you can find on
Costco.com
—listed at an impressive $320,000. To put it mildly, that’s quite a substantial amount of money. Additionally, there are four other diamond rings advertised on the website with prices exceeding $100,000 each, along with numerous others priced above $30,000.
“Costco’s diamonds generally come with GIA certification, and their prices tend to be lower compared to those found at conventional jewelry stores for similar specifications,” explains Nick Drewe, CEO and retail trend specialist.
Wethrift
Although you won’t have the ability to personalize a ring as you might with an individual craftsman, “for astute shoppers who clearly understand their preferences and do not prioritize the store ambiance, this could represent an excellent value.”
Wine cellars
If your humble abode isn’t already outfitted with a built-in wine cellar, don’t worry, Costco has you covered. Their most expensive offering in this category is the
Artevino III by EuroCave 200 Bottle Free Standing Wine Cellar with Display Shelf
for $3,700. Is this a great deal? Eh, we’re finding better on similar products from other brands at Home Depot and through Wine Enthusiast. But do they have the same commitment to customer service as Costco?
Customer loyalty at Costco is robust, fostered by trust, exceptional service, and competitive pricing,” explains Voda. “The company offers numerous upscale product ranges designed for affluent consumers. Consequently, regardless of the type of product, customers can rely on Costco to address any issues since they have solid return policies in place, minimizing potential risks.
Caviar
It isn’t shocking that Costco sells caviar, but the range of caviar is impressive. For $2,000, Costco members can purchase a
Golden Osetra Caviar Plaza Kilogram Package
. Surveying caviar brands of a similar caliber and weight across the Internet, this appears to be an excellent deal. And customers report that they enjoy the product—it has 14 five-star reviews on Costco.com.
Golf simulator
If you have the space (and the bank account) for it, Costco is selling the
The Foresight Sports Golf Simulator comes with the Eagle Package.
For $20,000. However, as of writing, there was a manufacturer’s offer allowing you to get the simulator for $17,000 with free shipping and handling. Other places are listing this identical package for $22,000, which means that even without the Costco discount, they’re still offering a better price than their rivals.
Deluxe backyard sheds
Maybe you’re thinking, backyard sheds, how expensive can those be? Some of the options at Costco are pricey, like the
Yardline Upton 12′ x 24′ Wood Shed
, which starts at $6,500 (that’s without flooring, and you have to assemble it yourself). The product resembles a tiny house and is large enough to fit an SUV. Whether this seems like a good deal largely depends on whether you need a shed of this aesthetic and size. However, it is comforting to know that you can have it installed by professionals, though that kicks up the price to $10,500 (and that’s still without floors!).
Saunas
To be fair, Costco does offer a modest, portable sauna for only $1,500. But for the kind that feels like your home is an upscale spa? Costco sells the
Dynamic Toledo 6-person Hybrid Full Spectrum Sauna
For $9,000, it comes equipped with a sound system featuring Bluetooth capabilities and speakers.
“For higher-income members who enjoy convenience and are confident in the Costco brand, finding big-ticket items in the same place they buy groceries proves to be surprisingly appealing,” Drewe says.
Mini grand digital piano
Although it might not match the elegant grand pianos found in your beloved upscale hotels, Costco has options for purchasing one.
Roland CG-1 Mini Grand Digital Piano Bundle
to the tune (get it?) of $5,000. But before you break out your sheet music, know that it sells for around $1,000 less at places like Guitar Center and Kraft Music, both of which are also authorized dealers of the brand. So this isn’t exactly the deal Costco would like you to think it is.
Caskets
Not to take a morbid turn, but yes, Costco still sells
caskets
Their prices vary from $1,300 to $1,600; however, Costco Next members have additional choices that might come with higher costs. Typically, the price tag for a casket falls within $2,000 to $5,000, making these offerings seem quite appealing—particularly since shipping and handling fees are covered as part of the package.
Wagyu beef
By and large,
Costco is an excellent spot for purchasing beef.
. That said, they also sell expensive cuts like the 11-pound, Japanese Wagyu New York Strip Loin Roast, A5 Grade, for $1,000. And actually, this is a really good buy, as this particular expensive cut is cheaper at the warehouse club than at other high-end grocers and independent butchers.
Wine collections
Although I personally enjoy the Kirkland Prosecco, which costs around $8 per bottle, Costco also allows genuine wine enthusiasts to acquire exclusive bottles for their collections. Consider the
Chateau Latour 30-Bottle Vertical Collection for Collectors
, offering wines from 1985 to 2014, priced at $38,000. This equates to approximately $1,267 per bottle. Additionally, there’s theصندキャンペ
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Domaine De La Romanee-Conti 2018 Variety Pack – Set of 5 Bottles
For $30,000, this amounts to approximately $6,000 per bottle. It should be noted that both of these collections can exclusively be found in California, and interested buyers must contact a Costco representative via email simply to ask questions. While Domaine de la Romanée-Conti vintages from 2018 are available elsewhere at lower prices, purchasing these specific items through Costco adds an element of exclusivity—priceless as they say.
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Sources:
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Matt Voda
The CEO of OptiMine, a widely acknowledged specialist in marketing and retail who provides guidance to some of the globe’s biggest companies such as Best Buy, TheRealReal, and others; conducted via email interview in April 2025. -
Nick Drewe
, CEO of online discount platform Wethrift and a retail trends expert; email interview, April 2025
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