These faceted trillion Ethiopian opals, sized from 4mm to 10mm, feature a stunning triangular shape that highlights their natural play-of-color. Sourced directly from Ethiopia, these translucent opals are perfect for vintage-style or geometric jewelry. The faceted trillion shape enhances both color and brilliance, giving each stone a refined, antique-inspired look.

Ideal for artisans, collectors, or designers seeking something bold and rare in their pieces.

Want another unique cut? Explore our faceted long cushion Ethiopian opals for elegant, elongated shapes.

4-10mm Calibrated Faceted Trillion Ethiopian Opals- A to AAA Quality

$54.00

Quantity

Stone Name: Ethiopian Opal

Shape: Trillion

Style: Faceted

Size Range: 4mm to 10mm

Treatment: Natural (Untreated)

Clarity: Translucent

Origin: Ethiopia

Grades Available: A, AA, AAA

Size	Avg. weight of 1pc. ( in carat )	Avg. pcs. in 10 carats	Avg. pcs. in 15 carats	Avg. pcs. in 20 carats	Avg. pcs. in50 carats
4mm	0.17	59	88	118	294
5mm	0.27	37	56	74	185
6mm	0.5	20	30	40	100
7mm	0.65	15	23	31	77
8mm	0.8	13	19	25	63
9mm	1.3	8	12	15	38
10mm	1.8	6	8	11	28

Trillion opals pair beautifully in three-stone ring settings.

Great for antique-inspired pendants or stud earrings.

The sharp shape works well in bold or modern designs.

Use in combination with round or heart-shaped opals for contrast.