A recent study by leather manufacturing company NYC Leather Jackets has ranked the Dior Saddle bag takes the top fashion piece with the biggest value jump in 10 years.
NYC Leather Jackets in the study ranks the fashion pieces that have gained the most value over the past decade, analyzing trends in resale appreciation, brand strength, and consumer demand.
The Dior Saddle bag takes the top spot among the fashion pieces with the biggest value jump in 10 years, with a composite score of 99.
According to the study, the bag is the most recently introduced item in the top rankings.
Over the past decade, the Dior Saddle bag whose current resale price stands at $3,500 (Ksh453,250) has experienced a 7400% increase in online search interest – the highest among all the fashion items analyzed in the study.
The Rolex Submariner watch, on its part, ranks second among fashion products with the highest value growth in the last decade, earning a composite score of 94. The item was priced at $150 (Ksh19,425) when it was first launched.
Today, its initial model’s average resale price stands at $15,120 (Ksh1.958 million), representing the highest price growth of 9980% among all the items studied.
Dior Saddle bag and other fashion pieces with the biggest value jump in 10 years
The Hermès Kelly bag ranks as the third stylish product with the highest appreciation in value over the last 10 years, scoring 53 on the composite index.
Those looking to purchase the initial model should expect to pay an average of $37,548 (Ksh4.86 million) today – the highest resale price for an original model in 2025.
At fourth position is the Omega Speedmaster watch which achieved a composite score of 33.
The original model’s value has increased by 3,293% since its launch, making it the third-highest price growth among all items.
The Omega Speedmaster watches experiences one of the highest levels of popularity in 2025, with a Google search interest score of 84.
In addition, the Hermès Birkin bag ranks as the fifth most appreciated fashion product over the past decade.
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Originally introduced at $2,000 (Ksh259,000), it entered the market at the highest price among the items analyzed.
The current price of a Hermès Birkin bag stands at $13,300 (Ksh1.72 million), making it the most expensive among all the fashion pieces.
The Louis Vuitton Keepall bag holds the sixth spot. The bag’s initial model is the longest-standing piece among the top-ranking items.
Louis Vuitton Keepall bag
With a price of $400 (Ksh51,800) 10 years ago, its value has now climbed to $2,440 (Ksh315,980), recording the highest percentage increase over the past decade at 510%.
The Chanel 2.55 bag holds the seventh spot with the highest Google search interest, scoring at 65, 10 years ago.
Over this period, the bag experienced a 96.36% price increase, marking the third-largest price growth among the pieces studied.
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At the same time, the study ranks Fendi Baguette the eighth among the stylish items that have experienced the greatest increase in value over the last decade.
While its Google search interest stood at 6 in 2015, it rose to 97 in 2025, recording the second-highest growth rate in search interest over the past 10 years, behind only the Dior Saddle bag.
The Cartier Love bracelet ranks ninth among designer pieces that have seen the greatest increase in value. The initially released bracelet was priced at $250 (Ksh32,375).
Today, however, the original model is valued at $5,000 (Ksh647,500), marking a 1,900% increase in price – one of the highest price growths among the items in the study.
The Gucci Jackie bag concludes the list of fashion pieces with the highest value growth in 10 years.
Similar to the Hermès Kelly bag, it has seen a price increase of approximately 61% over the past decade. Today, the price of a newly produced Gucci Jackie Bag stands at $3,800 (Ksh492,100).
However, an original release is available for around $1,845(Ksh238,927).
Methodology by NYC Leather Jackets
Key factors analyzed in the study include the original MSRP at launch, resale prices in 2025, shifts in Google search interest during the last 10 years, and changes in MSRP over the same period.
Data was sourced from brand pricing archives, resale market reports, and Google Keyword Planner to capture both financial and consumer interest trends.
To ensure a comprehensive ranking, each item was assigned a composite score based on three primary factors with specific weightings: Price Growth (25%), Google Search Interest Growth (35%), and MSRP Percentage Increase Over 10 Years (40%).
Items were then ranked on a 1-99 scale, with higher scores indicating greater value appreciation.
NOTE: 1$=Ksh129.50
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