The collection
16.52 ct golden flame bicolor tourmaline, cushion fine step cut, on cloth
Photograph

16.52 ct, 15.04 × 11.86 × 10.64 mm, cushion fine step cut.

CWG1009 Bicolor tourmaline

16.52 ct Golden Flame Bicolor Tourmaline, Cushion

A Congo bicolor tourmaline with a clean 50/50 split of colour, glowing golden flame indoors and pink and green in outdoor light.

$3,304$200 per carat 16.52 ct

Free express shipping worldwide Add a lab report

  • Natural
  • No treatment
  • Loupe clean (IF)
  • Congo
SKU
CWG1009
Variety
Bicolor tourmaline
Colour
Golden flame, pink and green
Weight
16.52 ct
Dimensions
15.04 × 11.86 × 10.64 mm
Shape
Cushion
Cut
Fine step cut
Clarity
Loupe clean (IF)
Origin
Congo
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 16.52 ct bicolor tourmaline is graded IF. Internally flawless: loupe clean: no inclusions can be seen even under a 10x loupe.

Enquire about CWG1009Opens WhatsApp to +66997975799 with this stone attached. Or email [email protected].

The colour divides the stone almost exactly in half, and it changes with the light: warm golden flame tones indoors, a clear pink and green split outside. The deep cushion and fine steps keep both halves bright.

Loupe clean, with no heat and no treatment.

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Before it ships

Certification & shipping

Certification

Add an independent lab report

This 16.52 ct bicolor tourmaline is sold on our own written description, with full disclosure of treatment. If you would like an independent report, choose a laboratory and we send the stone before it ships. It is optional, and the 14 day return stands either way.

Fees start at the figure shown and depend on the report type. Reports are issued by the laboratory and 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.

Also availableThe full collection