The auction market closed out the first half of the year with style, marked by the return of exceptional bottles to the forefront. As a high point of the first six months of 2026, a trio of Burgundy grand crus garnered intense bidding, while leading Bordeaux names regained upward momentum and the most exclusive and sought-after producers continued to attract intense interest.
Burgundy: three bottles auctioned for over €20,000
The iDealwine website continued to fuel collectors’ enthusiasm throughout the first half of the year. Bidding was particularly intense for the leading names of the Côte de Nuits in the opening months of the year, especially in June, as demand focused on rare cuvées and mature vintages. At the top, unsurprisingly, Romanée-Conti led the field, with a bottle from the 2015 vintage being bought at auction for €20,380 by a French buyer. The iconic Vosne-Romanée estate comfortably outpaced its closest competitors, with two grand cru magnums – both from the mature 1985 vintage – also crossing the €20,000 mark and rounding out the podium. A magnum of Clos de la Roche from Dujac delivered one of the month’s biggest surprises. Offered with a starting bid of €1,635, it soared to €20,254, eventually being secured by an Irish buyer. A magnum of Chambertin from Domaine Armand Rousseau delivered a similar result, being bought by a British buyer. Excluding Romanée-Conti, which saw a more moderate increase relative to its iDealwine price estimate (+11%), the two magnums significantly outperformed expectations, fetching 61% above the estimate for the Chambertin from Charles Rousseau and 1,139% more for the Clos de la Roche from Dujac. Slightly further down the rankings of the month’s highest-priced wines, a Musigny from Domaine Georges Roumier also posted a remarkable result, with a bottle from the 1995 vintage soaring to €15,977 (87% above its estimate) and heading to Macau. Burgundy’s finest Chardonnays were not left out of the frenzy with a 2011 Meursault Premier Cru Les Gouttes d’Or from Domaine d’Auvenay secured by a US bidder for €5,661 (+50%). Already at the top, Montrachet from Domaine de la Romanée-Conti also recorded further uptick, with a bottle of the 2017 vintage going under the hammer for €8,177 (+6%), bought by a French buyer.
Bordeaux: large formats drive rarity
iDealwine’s auctions regularly feature exceptional bottles, exception for both their quality and their rarity. In Bordeaux, Médoc grand crus are not defined by rarity, given the scale of production, even with strict selection for the first wine. Rarity instead emerges through large-format bottles, which appeal to collectors seeking standout pieces. Château Latour illustrates this dynamic, with an Imperial from the 2002 vintage fetching €3,774, 21% above its iDealwine price estimate when adjusted to the six-litre format (based on a bottle price of €376). A Jeroboam of 2010 Château Léoville Las Cases reached €1,648, representing an 18% premium over its bottle price estimate. Already relatively rare due to the smaller scale of Château Tertre Roteboeuf, an Imperial from this Saint-Émilion estate from the 2007 vintage gained 15%, going under the hammer for €1,257. Even in Sauternes, large formats proved highly sought after, particularly for exceptional wines. The legendary 2023 vintage from Château d’Yquem sparked strong bidding, with a Belgian buyer securing a magnum for €823, up 30%.
More broadly, at the very top end of the grand crus hierarchy, fine vintages attracted sustained bidding. Château Lafite stood out across several remarkable years, reaching €1,246 for 1995 (+124%), €818 for 2010 (+12%), €726 for 2016 (+13%) and €704 for 2005 (+8%). Even the frost-affected 1991 vintage, rare as a result, sold for €767, a 19% increase on its iDealwine price estimate.
The confidential Domaine de la Rochette Jacques Tatasciore in Switzerland
While the allure of the grands crus classés continues to captivate, enthusiasts still appreciate the niche labels, talented winemakers from lesser-known regions, and bottles that rarely appear in an auction catalogue. The success of the Domaine de la Rochette illustrates this. Jacques Tatasciore has become a cult figure in Swiss viticulture in just 30 years. His Pinot Noir wines from his Neuchatel vineyard are produced in only a few hundred bottles a year. This ultra-confidential production continues to captivate enthusiasts who eagerly pursued these elusive wines on iDealwine last month. A bottle of 2018 Les Rissieux was sold for €403 (+7% compared to its starting price), while 2018 Les Margiles reached €340 (+9%), and €289 in the 2019 and 2020 vintages. The 2019 La Rochette, meanwhile, reached €269 (+39%). The success of Jacques Tatasciore’s estate also confirms the success of a grape variety, Pinot Noir, which enthusiasts continue to pursue from all the world’s greatest regions capable of producing exceptional wines.
Other estates, equally difficult to source, also gave rise to memorable bidding battles. From Jura, names such as Overnoy, Allante-Boulanger and Domaine des Miroirs generated strong interest among wine lovers. From Champagne, while Selosse continued to command strong demand, grower wines from producers such as Jules Brochet, Ulysse Collin and Cédric Bouchard were clearly favoured by buyers. The major houses nonetheless retained their full appeal, including Krug (€2,768 for a bottle of 1985 Clos du Mesnil), as well as Salon, Dom Pérignon and Roederer. From the Loire Valley, highly collectable wines from Xavier Caillard (Jardins Esméraldins, €1,195 for a bottle of Genèse from the 2024 vintage) and Eric Calcutt (€598 for his 1996 rosé Diogène Picrate) continued to spark strong bidding. Notably, a truly timeless sweet wine also stood out: Domaine Huet’s 1947 Le Haut-Lieu from Vouvray sold for €503 (+33%) to a French buyer. Iconic bottles continue to show strong long-term appeal.
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