13.02 Ct Natural White Opal Cabochon | Untreated White Opal with Play-of-Color | Pear Cut

Product Description

1550

An exceptional 13.02 carat Natural White Opal displaying a captivating play-of-color across its luminous white body. This impressive gemstone exhibits vibrant flashes of green, red, orange, and subtle rainbow hues that emerge beautifully as light moves across the surface.

Cut into an elegant pear-shaped cabochon, this opal showcases the natural phenomenon that has made opal one of the world's most sought-after gemstones. The smooth polished dome enhances both the brightness of the body color and the vivid spectral flashes within the stone.

This specimen is completely natural and untreated, preserving its authentic beauty exactly as created by nature. The gemstone is also known in the trade as "Umbalite", as noted on the laboratory report.

The combination of substantial size, attractive pear shape, excellent polish, and strong play-of-color makes this opal an outstanding choice for collectors, designers, and custom jewelry creations. Whether set into a statement pendant, luxury ring, or preserved within a gemstone collection, this opal offers remarkable visual appeal and individuality.

No two natural opals display identical color patterns, making every stone truly one of a kind.

Gemstone Specifications

Gemstone: Natural Opal

Trade Name: White Opal

Weight: 13.02 Carats

Color: White with Play-of-Color

Shape: Pear

Dimensions: 21.43 × 13.96 × 10.18 mm

Cut Style: Cabochon

Crown Cut: Cabochon

Pavilion Cut: Low Cabochon

Refractive Index: 1.440

Treatment: None (Natural Untreated)

Special Trade Name: Umbalite

Transparency: Translucent

Phenomenon: Natural Play-of-Color

Certificate Number: ADP34917

Certification Laboratory: GFCO Gem Lab

Why Choose This Gemstone?

✔ Natural Untreated White Opal

✔ Large 13.02 Carat Size

✔ Attractive Pear-Shaped Cabochon

✔ Beautiful Red, Green & Orange Play-of-Color

✔ One-of-a-Kind Natural Pattern

✔ Collector & Investment Appeal

✔ Ideal for Luxury Custom Jewelry

✔ Excellent Polish and Luster

✔ Certified Natural Gemstone

✔ Rare Large Display Opal