The collection
18.32 ct golden yellow sphene, cushion modified step cut, held in tweezers
Photograph

18.32 ct, 18.42 × 12.57 × 9.53 mm, cushion modified step cut.

CWG1007 Sphene (titanite)

18.32 ct Golden Yellow Sphene, Cushion

A golden yellow sphene from Madagascar, alive with flashes of spectral fire across a long cushion cut.

$3,297.60$180 per carat 18.32 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.
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  • Natural
  • No treatment
  • Loupe clean (IF)
  • Madagascar
SKU
CWG1007
Variety
Sphene (titanite)
Colour
Golden yellow with rainbow fire
Weight
18.32 ct
Dimensions
18.42 × 12.57 × 9.53 mm
Shape
Cushion
Cut
Modified step 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 18.32 ct sphene (titanite) is graded IF. Internally flawless: loupe clean: no inclusions can be seen even under a 10x loupe.

The cut

Modified step cut

Top view
18.42 mm9.53
Side profile

A step cut that borrows some brilliant-style facets. It keeps the clean steps and the open table, and adds extra sparkle where the facets break up the light.

  • Step rows with extra facets
  • Clean flashes plus sparkle
  • Colour stays rich
Enquire about CWG1007Opens WhatsApp to +66997975799 with this stone attached. Or email [email protected].

Golden sphene combines a warm yellow body with some of the strongest dispersion of any gemstone, so it glows and flashes at the same time. This 18.32 carat cushion has the size and clarity to show both at their best.

Loupe clean, with no heat and no treatment.

See the original post on Instagram
Before it ships

Certification & shipping

Certification

Optional laboratory report

This 18.32 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.

  • GübelinGübelin Gem Labfrom $400
  • GRSGemResearch Swisslabfrom $120
  • GIAGemological Institute of Americafrom $90
  • BellerophonBellerophon Gemlabfrom $70
  • GuildGuild Gem Laboratoriesfrom $60
  • AIGAmerican International GemLab$15
  • GFCOGFCO Gemological Laboratory$15

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.