Editor’s Note
This article explores the unique allure of pink diamonds, prized for their extraordinary beauty and rarity. Their captivating color stems not from chemical impurities, but from rare geological processes deep within the Earth.
For centuries, pink diamonds have long captivated collectors, investors, luxury connoisseurs, and gemstone experts worldwide. These exquisite stones stand at the pinnacle of both beauty and rarity. Unlike conventional white or yellow diamonds, pink diamonds derive their stunning hues not from chemical impurities, but from complex lattice distortions caused by natural radiation exposure deep within the earth. This process, rare and unpredictable, creates breathtaking shades from faint blushes to vivid magentas—each stone a true geological marvel.
As we enter 2025 and look towards 2026 and beyond, desire for these rare stones continues to soar. From investment portfolios seeking tangible stores of value to high-end jewelry aficionados searching for singular statement pieces, understanding the shifting pink diamond price chart, particularly the 1 ct pink diamond price and the 25 carat pink diamond price, is essential for all stakeholders in this rarefied segment of the mineral market.
Why Are Pink Diamonds So Rare?
The scarcity of pink diamonds is fundamentally a story of incredible geological complexity. These gemstones are born under extreme conditions involving high pressure, high temperature, and unique lattice distortions within the diamond’s crystal structure. Unlike blue or yellow stones, whose colorations are triggered by trace elements, pink diamonds’ hues are created when the carbon atom lattice is physically distorted during their crystallization process—often due to intense seismic activity or exposure to naturally occurring radiation deep below the earth’s surface.
In a world where several hundred tons of earth are processed to yield even a few carats of gem-quality rough diamonds, pink gems remain among the rarest and most challenging precious stones to extract. This profound rarity ensures their place among the most valuable materials on Earth.
The End of Argyle and After: Constraints on Supply
Historically, Australia’s Argyle mine accounted for up to 90% of global pink diamond production. The Argyle deposit, discovered in the rugged East Kimberley region, became the major source of pink stones. Its closure in 2020 dramatically constricted supply, with annual production falling to a fraction of past levels. The few alternate deposits, primarily in Africa (notably South Africa, Botswana, and Lesotho) and Russia, remain limited and have yet to match either the previous yield or consistency of Argyle.
As a result, scarcity and the unique geological formation of pink diamonds have become more pronounced than ever. The current landscape is marked by constricted mining output, intensifying market scarcity, and ever-rising values for high-quality stones, particularly of larger sizes (like those weighing 1 or 25 carats).
The pink diamond price chart over the last decade reveals a story of sustained—and even accelerating—growth. Analysts attribute this to both the dramatically reduced supply following the Argyle mine closure and ever-escalating demand from luxury sectors, investors, and collectors in Asia, the Middle East, and worldwide. We observe that the market for pink diamonds is unlike any other within the gemstone space. The 1 ct pink diamond price sets critical benchmarks, while large stones like the 25 carat pink diamond price are often subject to nonlinear appreciation due to their extreme rarity and status as global luxury icons.
Examination of year-on-year price charts reveals that growth has averaged 10–15% annually for pink diamonds since 2020, with 2025 seeing a notable spike in asking prices for both 1 carat and 25 carat stones. These trends have profound implications for gemstone dealers, mining companies, and investors seeking stable stores of value.
To provide quantitative context, here’s an optimally-structured “Year-on-Year Pink Diamond Price Comparison Table.” This table illustrates estimated 1 carat and 25 carat pink diamond prices, percentage change YoY, and market commentary—a clear snapshot of trends, rarity, and market dynamics affecting prices leading into 2026.
Year | 1 Carat Price (USD) | 25 Carat Price (USD) | % Change YoY | Market Commentary
— | — | — | — | —
2022 | $330,000 | $19 million | – | Lagged post-Argyle supply pinch, increased investor demand
2023 | $390,000 | $23 million | +18% | Discovery of small African deposits, continued scarcity
2024 | $450,000 | $27 million | +15% | Tightened global supply, strong Asian/Middle East demand
2025 | $520,000 | $32 million | +15.5% | No new major mines; speculative investor buying intensifies
2026 (Projected) | $570,000 | $36.5 million | +9.5% | Rising scarcity, possible technological efficiency in mining