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Casta Diva Toilets under $300

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4 Casta Diva toilets under $300. Prices run $230 to $289.

Casta Diva

One-piece, Elongated, Under 1.2 GPF, Chair height

+Uses under 1.2 GPF for water-saving flushing
+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
−Single flush design without a dual flush option
$249.99-17%List: $299.99
as of 11/03/2026 22:20 PST - Details
Casta Diva

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Uses 1.5 to 1.6 GPF, more water per flush than some models
$259.00
as of 11/03/2026 22:20 PST - Details
Casta Diva

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Flush volume ranges 1.2 to 1.4 GPF
$289.99
as of 11/03/2026 22:20 PST - Details
Casta Diva

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+Elongated bowl for added seating room
+ADA comfort height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Flush volume ranges 1.2 to 1.4 GPF
$229.99
as of 11/03/2026 22:20 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushSeat heightSpec scorePrice
One-pieceElongatedUnder 1.2 GPFChair heightn/a$249.99
as of 11/03/2026 22:20 PST - Details
One-pieceElongatedDual flush1.5 to 1.6 GPFChair heightn/a$259.00
as of 11/03/2026 22:20 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPFChair heightn/a$289.99
as of 11/03/2026 22:20 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPFChair heightn/a$229.99
as of 11/03/2026 22:20 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.