GRS Certified Natural Boulder Opal 7.12ct ( Opal and Matrix )

Product Type: Natural Boulder Opal Product Code: O0013 Piece(s): 1 Weight: 4.28 Carats Color: White With Play Of Color Effect Clarity: Opaque with natural inclusions. Shape: Rectangular Cushion Size:

Product Type: Natural Boulder Opal Product Code: O0016 Piece(s): 1 Weight: 1.73 Carats Color: Black with Play Of Color Effect Clarity: Opaque with natural inclusions. Shape: Triangular polished Size:

Title: 43.10 ct natural matrix boulder opal Color/Clarity: opaque Gemstone Type: natural/untreated Carat Weights: 43.1 Size/Dimensions: 31.29 X 25.47 X 7.57 MM Additional Information: Please ,note tha

Title: 12.76 ct boulder opal Color/Clarity: matrix opal Gemstone Type: natural/unheated Carat Weights: 12.76 Size/Dimensions: 24.42 X 16.34 X 6.19 MM Additional Information: Australia Reserve: $55.00

Nice specimen of boulder opal in its natural host ironstone rock, polished up so you can see the opal veins. Perfect to make a necklace out of. Stone measures 1 3/4" x 1" and weights 17g.

Product ID: 818723095 Product Name: Natural Opal Weight: 14.10 CT. Size: 17.3 x 13.6 x 7 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Strong Iridescent Gems Origin: Australi

This is a 14 karat yellow gold pair of natural boulder opal earrings. The opals are approximately 10 mm x 14 mm x 2.5 mm and are set in a bezel setting. They have tension backs. They weigh 3.5 grams (

Title: 7.53 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 7.53 Size/Dimensions: 18.77 x 11.74 x 7.89 Additional Information: International

Title: 6.19 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 6.19 Size/Dimensions: 18.01 x 13.23 x 6.86 Additional Information: International

Title: 2.95 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 2.95 Size/Dimensions: 11.70 x 8.54 x 5.47 Additional Information: International

Title: 2.95 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 2.95 Size/Dimensions: 11.70 x 8.54 x 5.47 Additional Information: International

Title: 2.36 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 2.36 Size/Dimensions: 14.09 x 9.06 x 4.93 Additional Information: International

Title: 2.29 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 2.29 Size/Dimensions: 13.71 x 8.46 x 4.56 Additional Information: International

Title: 2.29 ct "IGI Certified" Natural Fire Opal Brand: Opal Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 2.29 Size/Dimensions: 13.71 x 8.46 x 4.56 Additional Information: International

LARGE NATURAL ROUGH BOULDER OPAL Natural rough boulder opal 153ct Measures 1.91" Long x 1.37 " Wide Multi colored Greens, blues, and purples

10.69ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.69ct Measures 21.8mm x 14.3mm

10.46ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.46ct Measures 16.5mm x 9.8mm Polished cabochon, beautiful

No Reserve! Title: 37.38 ct Natural Boulder Opal Color/Clarity: Brown / Opaque Gemstones: Boulder Opal Carat Weights: 37.38 Size/Dimensions: 32.80 x 18.70 x 8.50 Additional Information: Pear / Austral

No Reserve! Title: 25.35 ct Natural Boulder Opal Color/Clarity: Brown / Opaque Gemstones: Boulder Opal Carat Weights: 25.35 Size/Dimensions: 31.25 x 18.85 x 6.20 Additional Information: Pear / Austral

" PA10-087   Grading Results:____________Stone Type: Natural Boulder OpalShape: Free ShapeCarat: 4.71 ctColor: Brown Jewelry Material: Platinum 900&850Total Carat Weight: 4.71 ct

PGL Digital Appraisal Retail Replacement Value $6,085 Natural boulder opal weighing carats Natural Diamonds Carat Weight: .25Color Grade: H Clarity Grade: SI2 Size 7 4.15 grams 409809-681NOTE: PGL App

Here is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green p

AIG Certified 14K yellow gold cast and assembled natural ethiopian fire opal and diamond pendant with 14K yellow gold cable chain. Bezel set pear Cabochon cut opal with intertwining diamond accented b

Excellent handcarved piece; 4.5"