Opal gemstones

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Gemstone cabochon

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Country of origin

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Material

Opal

Certification

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I have been a private gemologist for over 30 years and collect gemstones.
Now I'm dissolving my collection!

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Oval - ALGT (B)

2 pcs  Opal - 3.22 ct

Natural Noble Opal.
Size. Oval Cabochon.
Weight. 3.67ct.
Measures. 9.13 x 7.12 x 3.91 mm...1.46 ct.
9.00 x 7.20 x 4.18 mm...1.06 ct.
8.96 x 6.85 x 4.31 mm...1.15 ct.
Color. Color Game.
Purity. Natural Inclusions.
Treatment. There are no indications for treatment.
Origin.

Ethiopia - Oval - No Certification

3 pcs  Noble Opal - 3.67 ct

best color quality - Crystal Welo-Opal ,3.30 ct , B0043.
Size: 13.47 x 9.58 x 5.42 (mm)

Purity: Transparent.
Colour: wonderfully intense play of colours.
Cut: Oval cabochon.
Origin: Ethiopia Welo Region.
Treatment: No indications of treatment.
Certificate: ALTG- 45781807.
The

Ethiopia - Cabochon, Oval - ALGT (B)

*No Reserve* light Orange + Play of Colors (Vivid) crystal opal - 3.30 ct

Welo opal from Ethiopia:

Shape: Cabochon.
Weight: 2.58 Carats.
Color: Multicolor on opaque base (Very Good Quality)
Fires: Intense (Very Good Quality)
Dimensions: 12.20 x 8.90 x 5.72 mm.
Origin: Ethiopia.
Treatment: None.
Certificate :
* No Certificate / Sold with professional

Ethiopia - Cabochon - No Certification

1 pcs multicolored Opal - 2.58 ct

Welcome To Mine2Gems Store!!
Have a Great Time Visiting The store.

Perfect Investment stone for a Great Jewelry such as Ring, Pendant, Necklace and so on.

Gemstone Type: Opal.
Species: Natural Opal.
Dimensions: 26.17 x 8.90 x 5.24 mm.
Clarity: Transparent.
Colour: Orange with

Marquise - IGI

Orange Opal - 4.37 ct

Clarit - Semi transparent.
Color - Play colour.
Gem - Opal.
Measurements( Approx ) -9.00 x 7.10 mm, 8.90 x 7.10 mm , 
Piece - 3.
Shape/Cut -Oval.
Treatment - No indication.
Weight - 3.55 cts.
Country of Origin declarations are an gemological opinion offered by us (seller of the

Oval - No Certification

3 pcs  Play Of Colour Opal - 3.55 ct

Finest color quality - Crystal Opal, 14.67 ct B 1217.
Size: 30.32 x 13.10 x 8.65 (mm)

Purity: transparent.
Color: white-orange with an opalescent color play.
Cut: teardrop, cabochon.
Origin: Ethiopia.
Treatment : none.
Certificate: ALGT 24325978.
The photos shown are taken in

Ethiopia - Cabochon, Pear - ALGT (B)

White (Orange)+Play of Colors (Vivid) Fine Color Quality + Crystal Opal - 14.67 ct

Natural Australian Black Opal Oval Cabochon.
Size: 11.87 x 8.05 x 3.17 mm 
Weight: 2.10 ct.
Color:  Dark grey base with intense play of colors.
Clarity: Opaque.
Treatment: No indications of treatment.
Origin - Australia - Lightning Ridge (opinion of the seller) - Got from the

Cabochon - ALGT (B)

Australian Opal - 2.10 ct

Algt Colored Stone Report # 45856379.
Report Date: 15 January, 2024.
========================================

Identification.
Species ..................................................................................... Natural Opal.
Variety

Ethiopia - Oval - ALGT (B)

1 pcs [No Reserve] - (Ethiopia) - [Fine Color Quality] - [White (Orangy) + Play of Colors (Vivid)] Opal - 4.08 ct

DESCRIPTION.
Report Nº	EG-10545.
Gem	Natural Opal.
Shape/Cut	Oval Cabouchon.
Weight	7.36 ct.
Measurements	20.42 x 9.56 x 6.33 mm.
Color	Play of colour.
Clarity	Transparent.
Treatment	No indications.
Comments	Origin: Ethiopia.
WHO I AM.
Elisa Generoso.
Gemologist by IGE.
European

Ethiopia - Cabochon, Oval - Certified Gemologist

- Play of colour Opal - 7.36 ct


***Finest color quality***-Crystal Opal-Welo (Ethiopia) B 1272.
Color: white-orange with an extraordinary opalescent color play.
Shape: teardrop, cabochon.
Dimensions: 12.32 x 8.61 x 6.16 mm.
Purity: Semi-Transparent.
Cutting quality: cabochon, particularly beautiful.
Origin:

*No Reserve* White (orange) + Play of Colors (Vivid) Fine Color Quality + Crystal Opal - 2.94 ct

Gem: Crystal Opal.
Shape/Cut: Oval Cabochon.
Weight: 6.31 Ct.
Measurements: 15.63 x 12.01 x 6.75 mm.
Color: White Play of colors.
Origin: Ethiopia.
Pieces: 1.
Treatment: There is no indication for treatment.
Optical Effect: Opalescence.
.


Report number: ALGT report Nº 68882948.

Cabochon, Oval - ALGT (B)

Opal - 6.31 ct

Natural Noble Opal.
Size. Oval Cabochon.
Weight. 4.65ct.
Measures. 13.51 x 7.24 x 4.53 mm...2.10 ct.
13.37 x 8.06 x 4.39 mm...2.55 ct.
Color. Color Game.
Purity. Natural Inclusions.
Treatment. There are no indications for treatment.
Origin. Ethiopia.
*The country of origin is an

2 pcs  Noble Opal - 4.65 ct

Species: Opal, Natural.
Variety: Hydrophane Opal.
Carat weight: 9.40 ct.
Color: White + Play of Colors.
Shape and Cut: Pear Cabochon.
Measurements: 17.50 x 14.00 x 8.50 mm.
Transparency: Transparent, slightly hazy.
Treatment. No indications of Enhancements.
Suggested Origin:

Cabochon, Pear - IGE (Madrid)

1 pcs  Hydrophane Opal - 9.40 ct

most beautiful color quality - Crystal Opal - Welo, 2.94 ct B 0046.
Size: 14.75 x 8.14 x 5.44 (mm)

Purity: Transparent.
Color: white-orange with an intense opalescent color play.
Cut: oval, cabochon.
Origin: Ethiopia Welo Region.
Treatment: No indications of treatment.

*No Reserve* White (orange)+ Play of Colors (Intense) - Crystal Opal - 2.94 ct

Algt colored stone report # 13219026.
Report date: 15 January, 2024.
========================================

IDENTIFICATION.
Species ..................................................................................... Natural Opal.
Variety

Ethiopia - Pear - ALGT (B)

1 pcs [Fine Color Quality] - White (Orangy) + Play of Colors (Vivid) Opal - 3.39 ct

Welcome To Mine2Gems Store!!
Have a Great Time Visiting The store.
Gemstone Type: Opal.
Species: Natural Opal.
Dimensions: 17.34 x 8.42 x 5.39 mm.
Clarity: Semi-Transparent.
Color: Grey with Play Of Multi Colors.
Shape: Pear.
Treatments: No Indication of treatments.
Certified:

Pear - IGI

*No Reserve* Rare Grey + Play Of Colors Opal - 3.97 ct

Opal.
Cut: cabochon pear.
Weight:9.08ct.
Measurements:17.37x14.80x7.11mm.
Color: soft yellow.
Transparency: transparent.
Treatment: no indication for Treatment Origin: Ethiopia.
Report number igi:617462309.
Grades:
Photos are taken at 10x scale.
- the Origin is my opinion as a

color game Opal - 9.08 ct

Gemstone Type: Opal.
Species: Natural Opal 
Dimensions: 9.74 x 9.43 x 7.73 mm.
Clarity: Transparent ( Internally Flawless )
Colour: Crystal Play Of Multi Colors.
Shape: Square Asscher - Modified Brilliant Cut.
Treatments: No indication of treatment.
Certified: IGI 618412785.

Ethiopia - Brilliant, Square - IGI

*No Reserve* {Rare} Crystal Hue ColorPlay Opal - 2.80 ct

+++Finest color quality!!!+++
outstanding Natural Crystal Opal-Welo (Ethiopia) B1296.
Weight: 15.61 ct.
Color: white with an incredibly opalescent color play.
Cut: Cabochon, Oval.
Dimensions: 25.39 x 17.20 x 7.43 mm.
Purity : transparent.
Cutting quality: cabochon, particularly

White + Play of Colors (Vivid) Fine Color Quality + Crystal Opal - 15.61 ct

++Stunning Opal++
Finest color quality-Crystal Opal-Welo (Ethiopia) B1291.
Color: white-orange with a wonderful, opalescent color play.
Shape: teardrop, cabochon.
Dimensions: 18.03 x 13.28 x 6.95 mm.
Purity: Transparent.
Cutting quality: cabochon, particularly beautiful.
Origin:

Ethiopia - Cabochon - ALGT (B)

Fine Color Quality + White (Orangy) + Play of Colors (Vivid) Crystal opal - 8.12 ct

"GIA Certified 12.55Carat Natural Opal.
Certificate Number : 100363661293.
Color - Yellow 
Shape - Octagonal.
Cut - Brilliant/Step.
Dimensions - 18.01 x 13.10 x 9.92mm.
Transparency - Transparent.
Treatment - No indications of heating"



Shipping 1-3 working days by FedEx

Brazil - Octagonal - GIA

Yellow Opal - 12.55 ct

DESCRIPTION.
Report Nº	EG-10558.
Gem	Natural Opal.
Shape/Cut	Oval Cabouchon.
Weight	4,38 ct.
Measurements	Aprox 8 x 6 mm.
Color	Play of Color.
Clarity	Transparent.
Treatment	No Indication.
Comments	Origin: Ethiopia.
	6 pieces.
WHO I AM.
Elisa Generoso.
Gemologist by IGE.
European

6 pcs - Play of colour Opal - 4.38 ct

Opal Gemstones for Sale | Catawiki

smeraldi dal bel  colore saturo e trasparenza buonissima. Ho comprato tre lotti da Gerhard e sono rimasto contentissimo per tutti gli acquisti e naturalmente è il mio venditore preferito 👋

Nice Emerald, as described. Prompt delivery and excellent communication. Highly recommended seller!!

Such a nice opal. Seller send it very fast and replies fast if you got a question. Total experience: 10/10

Everything was great, beautiful sapphire, very friendly and helpful, thank you

Livraison reçue dans les délais, bien emballée et conforme. Merci

Opal gemstones

145 objects

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Opal gemstones

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