An oval-cut natural ruby from Madagascar, 0.18 carats, measuring 4.3x3.2mm. Heat treated, the stone shows the warm pinkish-red color characteristic of most Malagasy rubies - transparent, lively under light, with the slight pink warmth that defines material from this source. Clarity is SI, inclusions present but the stone transparent and showing a clean enough face-up appearance for its size. Madagascar is the world's main source of affordable natural rubies, and heat treatment is standard trade practice for the material. At 0.18ct and 4.3x3.2mm, this stone suits small accent positions - channel settings, micro-pavé, or as a side stone in a ring or pendant. Natural ruby, loose gemstone, July birthstone. Stone type: Natural Ruby Weight: 0.18ct Size: 4.3x3.2mm Color: Pinkish-red Cut: Oval faceted Clarity: SI Treatment: Heated Origin: Madagascar Hardness: 9 Natural Madagascar ruby, heated oval, July birthstone - sold loose.