Australian Boulder Opal 52.56 Carat Loose
Australian Boulder Opal 52.56 Carat Loose
Australian Boulder Opal 52.56 Carat Loose

Australian Boulder Opal 52.56 Carat Loose

SKU: 20366193

Regular price
$58,000.00
Sale price
$58,000.00
Regular price
$116,000.00
Sold out
Unit price
per 

Australian Boulder Opal 52.56 Carat Loose Australian Boulder Opal is Classified by the Opal industry as Natural Opal Type 2 Australian Boulder Opal is the definition applied where the Opal is naturally attached to the host rock in which it was formed and the host rock is of a different chemical composition. Genuine Natural Australian Boulder Opal consists of a hydrated amorphous form of concretions of SiO2nH2O silica consisting of spheres of silicon dioxide molecules arranged in regular, closely packed planes filling the cracks and crevices of Australian Boulder Opal ironstone found remotely in Queensland Australia. Australian Boulder Opal base tones can range from N1 (1) right through to N9 (21). Australian Boulder Opal is a diminishing resource with anecdotal evidence suggesting increases in value of up to 15 percent per annum. Guaranteed free of dyes and artificial colour. https://vimeo.com/501573208

More from this collection

  • Boulder Opal 0.5ct Loose Unset
    Regular price
    $18.50
    Sale price
    $18.50
    Regular price
    $37.00
    Unit price
    per 
    Sold out
  • Boulder Opal 2.46ct Loose Unset
    Regular price
    $26.00
    Sale price
    $26.00
    Regular price
    $52.00
    Unit price
    per 
    Sold out
  • Boulder Opal 2.12ct Loose Unset
    Regular price
    $62.50
    Sale price
    $62.50
    Regular price
    $125.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.20 carat - 7.09 x 3.06 x 1.13 mm
    Regular price
    $70.00
    Sale price
    $70.00
    Regular price
    $140.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.21 carat - 5.86 x 2.83 x 1.43 mm
    Regular price
    $73.50
    Sale price
    $73.50
    Regular price
    $147.00
    Unit price
    per 
    Sold out
  • Beautiful Australian Boulder Opal - Special Edition
    Regular price
    $75.00
    Sale price
    $75.00
    Regular price
    $150.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.92ct Loose Unset
    Regular price
    $82.00
    Sale price
    $82.00
    Regular price
    $164.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.25 carat - 6.20 x 3.17 x 1.70 mm
    Regular price
    $87.50
    Sale price
    $87.50
    Regular price
    $175.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.26 carat - 7.50 x 2.90 x 1.29 mm
    Regular price
    $91.00
    Sale price
    $91.00
    Regular price
    $182.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.34 Ct Loose Unset
    Regular price
    $100.00
    Sale price
    $100.00
    Regular price
    $200.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.295 carat - 4.85 x 4.40 x 1.51 mm
    Regular price
    $103.50
    Sale price
    $103.50
    Regular price
    $207.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.7ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.55ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.46ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.67ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.67 Ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.55 Ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.11ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.86ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.37ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.24ct Loose Unset
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.365 carat - 6.71 x 3.98 x 1.42 mm
    Regular price
    $128.00
    Sale price
    $128.00
    Regular price
    $256.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.71ct Loose Unset
    Regular price
    $140.00
    Sale price
    $140.00
    Regular price
    $280.00
    Unit price
    per 
    Sold out
  • Boulder Opal Loose 0.40 carat- 6.30 x 3.10 x 2.19 mm
    Regular price
    $140.00
    Sale price
    $140.00
    Regular price
    $280.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.6 Ct Loose Unset
    Regular price
    $150.00
    Sale price
    $150.00
    Regular price
    $300.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.14ct Loose Unset
    Regular price
    $150.00
    Sale price
    $150.00
    Regular price
    $300.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.96ct Loose Unset
    Regular price
    $150.00
    Sale price
    $150.00
    Regular price
    $300.00
    Unit price
    per 
    Sold out
  • Boulder Opal 3.27ct Loose Unset
    Regular price
    $199.00
    Sale price
    $199.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 1.01ct Loose Unset
    Regular price
    $199.00
    Sale price
    $199.00
    Regular price
    $250.00
    Unit price
    per 
    Sold out
  • Boulder Opal 0.53ct Loose Unset
    Regular price
    $199.00
    Sale price
    $199.00
    Regular price
    $300.00
    Unit price
    per 
    Sold out