One of One
Opal
Ethiopian Wollo Opal — 6.20ct Freeform, Museum Pattern
At 6.20 carats with a harlequin-leaning mosaic pattern across its full crown, this is the largest and finest Wollo opal in the current collection.
$5,400
In stock, ships in 2–3 business days
Insured shipping, 2–3 business days
30-day returns
Secure checkout
Collector
Rare combination of size, color, and origin sought by connoisseurs and collectors.
GoodCollector
Gemstone Specifications
- 6.20 ct
- Dimensions
- 19.8 × 13.6 × 6.8 mm
- Shape
- Freeform
- Cabochon
- Vivid multi-color mosaic
- Semi-translucent
- Wollo, Ethiopia
- None
- Natural
- Inventory ID
- MK-OP-0620
Opal Characteristics
- Crystal
- Vivid
- Dominant Flash Colors
- Red, Orange, Green, Blue, Violet
- Mosaic
- Transparency
- Semi Translucent
- Brightness
- Brilliant
- Hydrophane
- Yes
Customer Reviews
5.0
2 reviews
5
100%
4
0%
3
0%
2
0%
1
0%
- July 9, 2026
Exactly as described
I was nervous about buying a gemstone online, but the detailed specs and macro photos matched the stone exactly when it arrived. Couldn't be happier.
Henry J., Seattle, WAVerified Purchase12 found this helpful - June 28, 2026
A genuine treasure
My jeweler was impressed with the clarity and cut when I brought this in for setting. Will absolutely be back for my next piece.
Ethan B., Toronto, ON15 found this helpful
Gemstone Report
Makeda In-House Gemology Team
Report No. MK-GR-100620
- Origin
- Ethiopia
- Treatment
- None detected
Journey of Your Gem
- 1
Origin
Mined in the Wollo, Ethiopia highlands, where opal-bearing volcanic rock was first identified commercially in 2008.
- 2
Sorting
Rough material is sorted by local dealers for size and visible potential at regional trading centers.
- 3
Cutting & Polishing
A lapidary studies the rough from multiple angles before cutting, aiming to preserve the strongest pattern and play-of-color.
- 4
Quality Inspection
Each stone is assessed for body tone, play-of-color, and pattern, and measured for carat weight and dimensions.
- 5
Certification
Stones meeting our published quality bar receive in-house grading documentation disclosing what we can verify.
- 6
Your Collection
Hand-selected by our sourcing team before it ever reached the site.
