The Six Most Expensive Sapphire Rings
The most expensive sapphire rings reveal why Kashmir origin can outweigh carat size, alongside important Burmese stones and designs by Cartier and Bulgari.
A sapphire ring can appear simple in construction: one important stone set at the center, often with diamonds playing a supporting role. The complexity lies in the sapphire itself. Color can shift considerably from one stone to another, while origin, clarity, carat weight and treatment history provide further context for understanding its quality.
At the highest level, these characteristics become more difficult to find together in a single stone. The setting matters too, but the sapphire remains the focus, whether framed by diamonds or mounted by an important jewelry house. The six most expensive sapphire rings sold between since 2021 show how different combinations of these qualities have translated into significant results.
Top Six Most Expensive Sapphire Rings
| Rank | Sapphire Ring | Notable Features | Price (USD) |
|---|---|---|---|
| 1 | Sapphire and Diamond Ring | 17.29-carat Kashmir sapphire, unheated, royal blue | $4.1M |
| 2 | Cartier Sapphire and Diamond Ring | 33.51-carat Burmese sapphire, unheated, royal blue | $3.3M |
| 3 | Cartier Sapphire and Diamond Ring | 20.16-carat Burmese sapphire, unheated, royal blue | $3.3M |
| 4 | Sapphire and Diamond Ring | 12.73-carat Kashmir sapphire, unheated, royal blue | $3.1M |
| 5 | Bulgari Sapphire and Diamond Ring | 25.29-carat Kashmir sapphire, unheated | $2.9M |
| 6 | Sapphire and Diamond Ring, Mount by Harry Winston | 28.37-carat Kashmir sapphire, unheated | $2.6M |
1. Kashmir Sapphire and Diamond Ring, 17.29 Carats, $4.1M
This sapphire and diamond ring sold for 3.4M CHF in May 2024. At its center is a 17.29-carat cushion-shaped Kashmir sapphire, set between triangular diamond shoulders. The restrained setting keeps the focus on the color and proportions of the center stone.
Both SSEF and Gübelin identified the sapphire as Kashmir in origin with no indications of heating. SSEF also described its color as royal blue, noting the fine inclusions that contribute to the velvety appearance associated with important Kashmir sapphires. Its combination of saturated color, unheated status and substantial size helped distinguish the stone within this group.
2. Cartier Sapphire and Diamond Ring, 33.51 Carats, $3.3M
This Cartier sapphire and diamond ring sold for $3,266,500 in June 2023. The signed ring centers on a 33.51-carat emerald-cut Burmese sapphire accented by baguette diamonds. Its linear setting complements the emerald cut while leaving the substantial center stone largely unobstructed.
AGL identified the sapphire as Classic Burmese origin with no indications of heating, while Gübelin separately confirmed Burmese origin and the absence of heat treatment. Both reports noted that the stone’s color may be described as royal blue according to their respective standards. At more than 33 carats, the sapphire pairs considerable size with an unheated Burmese origin and a signed Cartier setting.
3. Cartier Sapphire and Diamond Ring, 20.16 Carats, $3.3M
This Cartier sapphire and diamond ring sold for 2.7M CHF in November 2022. The signed ring centers on a 20.16-carat step-cut Burmese sapphire, flanked by shield-shaped diamonds weighing 2.06 and 1.94 carats. The geometric arrangement creates a clean frame around the sapphire without distracting from its color.
SSEF and Gübelin both identified the sapphire as Burmese in origin with no indications of heating and described its color as royal blue. The reports place the emphasis on the natural color of the stone, while the substantial diamond shoulders and signed Cartier setting give the ring a distinct character from the other Burmese sapphire in this ranking.
4. Kashmir Sapphire and Diamond Ring, 12.73 Carats, $3.1M
This sapphire and diamond ring sold for 2.5M CHF in November 2022. The ring centers on a 12.73-carat cushion-shaped Kashmir sapphire framed by marquise-shaped diamonds. Unlike the more linear three-stone settings elsewhere in the ranking, the diamond surround creates a broader frame around the center sapphire.
SSEF and Gübelin both identified the sapphire as Kashmir in origin with no indications of heating and described its color as royal blue. Although smaller than several sapphires on this list, its result underscores why carat weight alone cannot be used to compare important stones. Origin, natural color and the individual quality of the sapphire remain central to its evaluation.
5. Bulgari Kashmir Sapphire and Diamond Ring, 25.29 Carats, $2.9M
This Bulgari sapphire and diamond ring sold for $2.9M USD in June 2021. The signed ring centers on a 25.29-carat cushion-cut Kashmir sapphire flanked by two tapered bullet-shaped diamonds. The simple three-stone arrangement places the emphasis on the scale and shape of the sapphire.
AGL, Gübelin and SSEF all identified the sapphire as Kashmir in origin with no indications of heating. SSEF also noted that its color met the laboratory’s criteria for royal blue. At more than 25 carats, the unheated Kashmir sapphire combines significant size with a signed Bulgari setting, distinguishing it among the rings in this ranking.
6. Kashmir Sapphire and Diamond Ring, Mount by Harry Winston, 28.37 Carats, $2.6M
This sapphire and diamond ring, with a mount by Harry Winston, sold for 20,745,000 HKD in October 2021. The platinum setting centers on a 28.37-carat cushion-shaped Kashmir sapphire flanked by half-moon-shaped diamonds. The mount bears a maker’s mark for Harry Winston.
Gübelin, SSEF and AGL all identified the sapphire as Kashmir in origin with no indications of heat treatment. Gübelin noted its saturated and even color, high transparency and finely proportioned cut, while SSEF also highlighted the stone’s size and fine purity. At 28.37 carats, it is larger than several higher-ranked sapphires on this list, reinforcing the importance of assessing each stone beyond carat weight alone.
Comparing the Most Expensive Sapphire Rings
The results across these six rings show how differently an important sapphire can be valued. The largest stone does not occupy the top position, nor do rings with similar origins and laboratory findings necessarily achieve similar prices. Each sapphire has to be considered on its own, with color, clarity, cut, size and treatment status contributing to the overall picture.
The settings provide another point of distinction. Cartier and Bulgari appear alongside a Harry Winston mount, while other examples rely on relatively simple diamond settings that keep attention on the center stone. Across the ranking, the sapphire remains the defining element, and the differences between the stones help explain why comparing significant examples requires more than carat weight alone.
Frequently Asked Questions About Sapphire Rings
What makes a sapphire ring expensive?
The value of a sapphire ring depends heavily on the center stone, including its color, origin, clarity, carat weight and treatment status. An important signed setting can also influence how the finished jewel is valued.
Are Kashmir sapphires more valuable than Burmese sapphires?
Kashmir sapphires can command significant prices due in part to their limited historic production and the color and velvety appearance associated with fine examples. Burmese sapphires can also achieve high prices, and origin alone does not determine value.
Is an unheated sapphire worth more than a heated sapphire?
An unheated sapphire may command a premium when other quality factors are comparable. Because heat treatment is commonly used to alter sapphire color or clarity, laboratory confirmation that a stone shows no indications of heating can be an important consideration.
What is the best color for a blue sapphire ring?
Strong, saturated blue is generally sought after, but the ideal color depends on the individual stone. Some laboratories use designations such as “royal blue” for sapphires that meet specific color criteria, though standards can differ between laboratories.
How can you tell if a sapphire ring is valuable?
Start with an independent gemological report, which may document the sapphire’s origin and treatment status. Color, transparency, cut and carat weight should also be considered, along with the quality and maker of the setting.
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