Skip to content

Welcome guest

Please login or register
Skip to product information

Opal Fever Mate

Crystal Seam opal of Lighting Ridge 4.00cts Light Blue & greens colours to cut & Polish note thickness 19x13x3mm Lot B4-A801

B4-A801

Delivery Info

UK: 2-3 days; International: 7-14 days

Lot Title
#Grade A–B Cutter’s Rough – Light Blue & Green Crystal Seam Opal (Lightning Ridge)

Lot Number
B4-A801

Details
Weight: 4.00 ct
Size: 19 x 13 x 3 mm
Origin: Lightning Ridge, Australia
Type: Crystal Seam Opal Rough
Use: Cutting / Polishing
Colour: Light blue & green

Description
Crystal seam opal rough from Lightning Ridge with soft light blue and green fire showing through the body. This piece is flat and slightly thin, so best suited to experienced cutters who can work fine material with care. Lovely clean structure with a broad bar, ideal for shaping into a bright, face-up stone. Supplied dry and unpolished.

⚠️ Gamble Grade A–B (Gamble)
Fire showing clearly, low to moderate risk – thin crystal opal with light-toned colour play


Grade Key
Grade     Description
🔥 A+   Clear visible colour bar, low-risk cut, high gem potential
🔥 A    Strong face showing, low to medium risk, good cutting yield
⚠️ B    Colour visible, moderate risk, requires careful cutting
🎲 C (Gamble) Some colour hints, unknown depth/consistency, high risk
❓ D (Blind Gamble) No visible colour, full risk – mystery piece




  • All Auctions are run in £GBP.
  • All Bidding is physically in £GBP
  • You can choose to place bids or view bid prices in Multiple Currencies. (see below)
  • All Auctions wins Must be paid for within 5 days of your first win.
  • All UK Bids, Wins & orders Exclude VAT @ 20% ( this will be added to your order)
  • International Customers maybe liable for Import Duty & Tax in their own Country

PROXY BIDDING
 Proxy bid allows you to set a maximum bid so your bids are auto placed if required.

If you place a proxy bid that equals the reserve price & there are no other bids you will be offered the item at the reserve price at the end of the auction.

POPCORN BIDDING 
Please note the close date may change. Last minute bidding will causes the auction end date to be extended. This prevents sniping and allows everyone an opportunity to bid before the auction closes. *

Auction Payments

All Auctions wins Must be paid for within 5 days of your first win. unless you speak to Admin First , they will be cancelled. You may also be blocked from bidding.
We are happy to combine further items see below.

If you place a bid by mistake please use the chat to contact admin.

Click here To see our full terms & Conditions

All UK customers Bids, Wins, Orders & prices Exclude VAT @ 20% . All other international customers are responsible for payment of any import Duty or tax their country applies on import.

Terms of Service

Standard Shipping information

  • UK Shipping is £7.50 Recorded Next day 
  • European Shipping is £12.50 Tracked 
  • International Shipping Rest of World is £15.00
  • All items above are shipped with Royal Mail

Express Shipping information

European & International customers can choose Express Delivery upgrade which will be sent with UPS, FEDEX or DHL etc. 

  • European is £20
  • International Rest of world is £25

Free Combined Shipping information

Free combined shipping is available on all orders.
Items must be paid for within 5 days of first auction wins ending.
You can then request you order to be placed on hold for up to 30days.
Where you can add other items to your HOLD ORDER.
If total order value goes over the amounts below, you qualify for free shipping and any shipping paid on the order will be refunded.

  • UK £150 combined order total for FREE SHIPPING
  • Euro £200 combined order total for FREE SHIPPING
  • International Rest of World £250 combined order total for FREE SHIPPING

See our full shipping terms

Customers in the UK

We operate a 30-day returns policy, which means you have 30 days after you receive your item to return it item for a full refund. You are responsible for the cost of return postage

Customers in the Rest of the World

We operate a 14-day returns policy, which means you have 14 days after you receive your item to contact us to start a return. Then you have a further 14 days to send the item back to us. (this does not include the shipping time)
You are responsible for the cost of return postage

See our full Returns & refunds Policy



Your Cart

Your cart is currently empty

Your Wishlist

Wishlist