Would you choose this Birkin 18 in Bleu Saphir over a Birkin 30 for daily use?
For a first pass, compare capacity, weight, and resale liquidity. Birkin 18 can be the sharper choice when the color and condition match your use case.
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Compared against Constance 18 Box Calf inventory. This listing is $3,890 below the current median (23%).
This Hermès Constance 18 Bleu Saphir Box Calf is listed at $13,245 by Collector Square, $3,890 below the median $17,135 ask for Constance 18 Box Calf inventory. That makes it worth shortlisting if the condition photos and merchant terms check out.
First captured at $13,245 on 2026-10-19.
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Hermès Constance 18 cm shoulder bag in Bleu Saphir box leather
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25 Hermès Constance lots from Bonhams, Drouot and other houses: the median sold at 125% of its low estimate.
See Constance auction results →For a first pass, compare capacity, weight, and resale liquidity. Birkin 18 can be the sharper choice when the color and condition match your use case.
Use the live median as a benchmark, then adjust for color demand, hardware, year, condition, box/papers, and return policy.
Ask for corner wear, handle darkening, stamp/year, odor, spa history, inclusions, return window, and authentication documentation.
Use the live cohort and nearby listings to check whether this Hermès Constance 18 Bleu Saphir Box Calf is still the best option.