Vivid Green Chrome Tourmaline 13.79ct
Vivid Green Chrome Tourmaline 13.79ct
Vivid Green Chrome Tourmaline 13.79ct
US$ 45,227
13.79ct Chrome Tourmaline at US$ 3,280/ct · certified by GIA
Certification?GIA Certificate Included
| Weight | 13.79 ct |
| Shape / Cut | Oval / Fine Step Cut |
| Color | Green / Vivid |
| Clarity | VS |
| Treatment | None |
| Origin | Tanzania |
| Dimensions | 18.6 x 14.09 x 9.2 mm |
| Certificate | GIA / 6552309679 |
Buy with Confidence
01Natural only
Only natural, earth-mined gemstones — never synthetic or laboratory-created.
Since 1985
A second-generation family gemstone house, cutting and selling from Bangkok.
Described as it is
Hand-selected and described accurately, with any known treatment disclosed.
Secure checkout
Encrypted end to end, so your payment details stay protected.
Anatomy of This Stone
02Colour
Vivid · Green
Indicative tonal range for this colour family. For reference only — screens vary.
This 13.79ct chrome tourmaline shows a Vivid green, the trade name used for this part of the chrome tourmaline colour range.
Clarity
VS
This 13.79ct chrome tourmaline is graded VS. Very Slightly Included: inclusions are visible under 10x magnification but not to the naked eye.
Shape & size
Oval
18.6 × 14.09 × 9.2 mm
This 13.79ct chrome tourmaline measures 18.6 × 14.09 × 9.2 mm, shown here at true physical size on most screens. Carat weight describes a gemstone's mass rather than its dimensions, so always check the millimetres before buying.
Price
Our price
US$ 45,227
US$ 3,280 / carat
Retail price
US$ 90,454
STARLANKA buys rough at source and cuts it in-house in Bangkok, so a stone reaches you without the layers of margin a chrome tourmaline normally collects between the mine and a retail counter. The price shown is the price — no negotiated tiers.
Retail price is our estimate of what a comparable stone typically costs at traditional retail. It is a comparison figure — not a former price at which this stone was offered.
Certification & Shipping
03Certification
GIA certified
This 13.79ct chrome tourmaline is accompanied by an independent laboratory report from GIA, report number 6552309679.
- GIA
- GRS
- AIGS
- GIT
- ICA GemLab
- GUILD
- AGR
Reports are issued by the laboratory directly and describe the stone independently of us. Our affiliations.
Shipping & returns
Free and fully insured, worldwide
In the box
Sealed gem box, itemised invoice, and the lab report where one accompanies the stone.
Returns
14 days from delivery. We send a prepaid insured label and refund the original payment method.
Voids a return
The stone has been set, the seal broken, or the stone altered or recut.
Dispatched within 1–3 business days. Full detail in our shipping and return policies.
Frequently Asked Questions
04Is this chrome tourmaline natural or lab-created?
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This STARLANKA chrome tourmaline (SKU CT0380) is a natural, earth-mined chrome tourmaline. STARLANKA sells only natural gemstones and does not offer synthetic or laboratory-created stones.
Has this chrome tourmaline been treated?
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This STARLANKA chrome tourmaline (SKU CT0380) is untreated. It is sold as a natural, untreated chrome tourmaline, with no heat or enhancement of any kind.
Does this stone come with a certificate?
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This STARLANKA chrome tourmaline (SKU CT0380) is accompanied by an independent laboratory report from GIA, report number 6552309679.
What size is a 13.79ct oval chrome tourmaline?
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This STARLANKA chrome tourmaline (SKU CT0380) weighs 13.79 carats and measures 18.6 × 14.09 × 9.2 mm. Carat weight describes a gemstone's mass rather than its dimensions, so two stones of equal weight can differ in face-up size depending on shape and cut depth.
How much does shipping cost?
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STARLANKA ships this chrome tourmaline (SKU CT0380) free of charge and fully insured worldwide, with no minimum order value. Orders are dispatched within 1–3 business days: 2–4 business days in transit to the United States by international express courier, 3–7 business days elsewhere internationally, and 1 business day within Thailand by local express courier.
Can I return this chrome tourmaline?
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This STARLANKA chrome tourmaline (SKU CT0380) can be returned within 14 days of delivery for a refund to the original payment method, provided it has not been set into jewellery, had its security seal broken, or been altered or recut. STARLANKA provides a prepaid, insured return label.
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Chrome Tourmaline Reviews(4)
“Beautiful stone at a reasonable price!”
Verified buyer·Jul 18, 2026
Jul 18, 2026
“best colour”
Verified buyer·Nov 14, 2023
Nov 14, 2023
“Incredible cut, show the best clloer and reflection of ths amazing Aquamarine”
Verified buyer·Dec 23, 2020
Dec 23, 2020
“Always good customer service and fast shipping”
Verified buyer·Nov 16, 2020
Nov 16, 2020
