Natural Green Sapphire From Tanzania - Unheated 1.02ct Oval Cut 6.3x5mm

This unheated Tanzanian green sapphire is a beautiful example of the distinctive parti character that makes African corundum so desirable among collectors. The oval face displays a fascinating multi-tone colour story, shifting between warm olive and yellow-green through to amber and orange in the centre, with vivid lighter green tones illuminating the facets throughout. The complex colour zoning is entirely natural and unenhanced, a hallmark of Tanzania's finest gem-producing regions where the mineralogy creates this captivating interplay of warm and cool hues within a single stone.

Tanzania is one of Africa's most celebrated gemstone sources, producing sapphires with a unique and varied colour range that sets them apart from single-tone stones from other origins. This sapphire is fully unheated and untreated, making its complex natural colour all the more remarkable and valuable from a collector's perspective. At 6.3x5mm and 1.02ct it crosses the one-carat threshold in a compact oval ideal for rings, pendants, and bespoke jewellery designs that call for a genuinely unique and conversation-starting stone.

• Stone type: Natural sapphire
• Treatment: Untreated
• Cut: Oval
• Size: 6.3x5mm
• Weight: 1.02ct
• Clarity: SI
• Origin: Tanzania

Natural unheated green sapphire, September birthstone - sold loose.