Topaz Mansions: Topaz Road, D12/Kallang, Apartment, Freehold, completed 1993, 1,290 sqm land, 14 units. Bedroom types: 2BR, 3BR. Buyer Profile by Residential Status: Singaporean 82.4%, PR 17.6%, Foreigner 0.0%, Company 0.0%. Avg sale price: $1,229 psf, Rental Yield: 3.7%.