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FAQs

No fluorescence means neutral behavior. The old mine oval's larger antique facets are somewhat more transparent, so fluorescence effects could theoretically be slightly more visible. No fluorescence is the simplest choice. For warmer grades that suit vintage aesthetics, faint to medium fluorescence can help.
No fluorescence is the safe default for colorless grades. For warmer colors (H through J) many vintage enthusiasts prefer, faint to medium fluorescence can reduce warmth the larger facets may show.
No fluorescence is the pricing baseline. The old mine oval's vintage character is independent of fluorescence.
No fluorescence means no visible glow under UV light in a old mine oval cut. no effect on appearance in any lighting condition. The old mine oval cut's antique brilliant faceting is unaffected by fluorescence levels. The default choice, with no fluorescence-related considerations.