The overarching UX success of this site is that it successfully mimics a high-end physical art gallery. In UX terms, this sets a specific emotional tone (prestige, quality, expensive craftsmanship). By keeping the interface itself quiet, spacious, and minimalist, the user doesn't feel like they are on an aggressive, high-pressure corporate sales page. Instead, the UX makes the user feel like a patron exploring an exhibition, which naturally builds trust and justifies premium pricing.