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18.18 ct sphene (titanite), heart, brilliant cut
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18.18 ct, heart brilliant cut.

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CWG1073 Sphene (titanite)

18.18 ct Yellow Sphene Heart

An 18.18 ct heart shaped sphene from Madagascar in vibrant yellow, naturally untreated, with flawless trichroic dispersion.

Enquire for price18.18 ct

Free express shipping worldwide Certification and shipping

Optional. An independent laboratory examines the stone before it ships. Sold on our full written disclosure either way.
  • Natural
  • No treatment
  • Loupe clean (IF)
  • Madagascar
SKU
CWG1073
Variety
Sphene (titanite)
Colour
Vibrant yellow
Weight
18.18 ct
Shape
Heart
Cut
Brilliant cut
Clarity
Loupe clean (IF)
Origin
Madagascar
Treatment
None. No heat, no treatment
ClarityIF
  1. IF
  2. VVS
  3. VS
  4. SI-1
  5. SI-2
  6. I
  7. TS
  8. O

This 18.18 ct sphene (titanite) is graded IF. Internally flawless: loupe clean: no inclusions can be seen even under a 10x loupe.

The cut

Modified brilliant

Top view
12.00 mm6.00
Side profile

Kite and triangle shaped facets radiate from the centre, breaking light into many small flashes of brilliance and fire. Modified means the pattern is adapted to this outline, with extra or reshaped facets to bring out the colour.

  • Many small, lively flashes
  • Pattern adapted to the outline
  • Maximum sparkle
Enquire about CWG1073Opens WhatsApp to +66997975799 with this stone attached. Or email [email protected].

Sphene is trichroic, so it shows different colours from different directions, and its dispersion is higher than diamond. Large clean hearts are especially rare.

This 18.18 ct heart from Madagascar is naturally untreated and shows a vibrant yellow with strong colour play.

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Before it ships

Certification & shipping

Certification

Optional laboratory report

This 18.18 ct sphene (titanite) is sold on our own written description, with full disclosure of treatment. If you would like an independent report, choose a laboratory in the certificate menu beside the price and we send the stone before it ships. It is optional, and the 14 day return stands either way.

  • Gübelin
  • GRS
  • GIA
  • Bellerophon
  • Guild
  • AIG
  • GFCO

AIG and GFCO are a fixed fee. Other laboratories start at the figure shown and depend on the report type. Reports describe the stone independently of us.

Shipping and returns

Free express shipping, worldwide

Shipping toCarrierTypical transitCost
ThailandExpress courier1–2 daysFree
United StatesFedEx or DHL Express2–4 daysFree
Europe and UKFedEx or DHL Express2–5 daysFree
Rest of the worldFedEx or DHL Express3–7 daysFree
  • In the boxThe stone in a gem box, an itemised invoice, and the lab report if you add one.
  • Returns14 days from delivery for a full refund, in its original condition. Return postage is paid by the buyer.
  • Voids a returnThe stone has been set, recut, altered or damaged.

Dispatched within 24 to 48 hours of payment, or once the lab report is back. Full detail in our shipping and returns policy.

Trusted by collectors

What our buyers say.

“Great looking gemstone! FAST and secure shipping. eBay seller is A++++++”

USVerified eBay buyer · Spinel

“Shipped item from Thailand to Canada! Beautiful gem, as described. Would buy from this seller, again.”

CAVerified eBay buyer · Cuprian tourmaline

“To share one's true passion is rare. What is even rarer is too find someone on Ebay that is honest and truthful. Not too forget caring. I have found all this with colour world gems. Everything is as described. I even get good Morning and how my day is going. It's not not much to say nor is it to much to ask for. We never have to ask for it is always there. It's an awesome and amazing gift too find such people. Many blessings and further business. Stay safe”

USVerified eBay buyer · Moonstone

“The ring arrived early and it's absolutely beautiful. Packaging and shipping was excellent. Thank you so much 🙏”

USVerified eBay buyer · Custom rubellite ring

“Beautiful large stone, even better looking in person. We’re very happy with our purchase.”

USVerified eBay buyer · Welo opal

“10/10 experience, Phenomenal seller essential to eBay. Highly recommend this seller! Thank you again.”

USVerified eBay buyer · Rubellite

“The item arrived quickly and was exactly as pictured. Recommended seller AAAAA+++++”

GRVerified eBay buyer · Blue tourmaline

“It took my breath away ! Die hard Sphenes collector I certainly have the largest collection of Sphenes in Europe. THOUSANDS and THAOUSANDS. But in 40 years I have NEVER seen a Sphene that extraordinary.. The stone is miraculous so is this merchant I HIGHLY recommend ++++++++++”

FRVerified eBay buyer · Sphene

“Fantastic stone from this trusted seller, Great communication, perfect transaction,Thank you very much”

GBVerified eBay buyer · Cuprian tourmaline

“A GRAND GRAND Stone !I have been minnig and collecting Sphene for 40 years. I had never seen such beauty !A wonderful honest Seller who even supplied a trackable Certificate ! Without my asking.... I MOST HIGHLY recommend this Gentleman ++++++”

Verified eBay buyer · Sphene
Read all reviews