1 pcs 绿色, 黄色, 双色 电气石 - 12.21 ct - 国际有色宝石协会（ICA GemLab） - Spring-Parti-Giant-Vivid

Natural Tourmaline - Green & Yellow - 12.21 Ct - ICA Certified - "SpringParti-Giant-Vivid"
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Brazil (Seller's opinion) | Octagonal / Step
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This 12.21-carat natural "Parti-colored Tourmaline" captures spring's freshest palette — vivid green and yellow dual-zone brilliance, ICA-certified with exceptional transparent clarity across a commanding 14.83mm octagonal step cut, crossing the elite 12-carat museum threshold where parti-colored specimens become virtually impossible to source.

■ CERTIFICATE DETAILS
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ICA Gem Lab Report Number: TH25G116610; Pin: 1981
Date: 07 November 2025
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Group ................................ Tourmaline
Species ............................. Natural Elbaite
Variety .............................. Parti-colored Tourmaline
Weight .............................. 12.21 cts
Dimensions ................... 14.83 x 10.88 x 7.87 mm
Cut ..................................... Step / Step
Shape ............................... Octagonal
Transparency .............. Transparent
Phenomena ................. None
Color ................................ Green and Yellow
Treatments .................... See Comments
Origin ............................... Brazil (Seller's opinion — legendary Minas Gerais pegmatites producing finest Parti-colored Tourmaline with sharp color boundaries and intense saturation)

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**For a detailed Certificate Report Please copy and paste this link in your Browser:**

https://reports.icagemlab.com/

**Report Number: TH25G116610**
**Report PIN: 1981**

**Or Scan the QR code in the images.**
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● Origin → Brazil - Minas Gerais - Sharp Color Boundaries - Premier Parti Source.
● Market → 12ct+ Museum Giant - 150-300% Premium - Rarest Ensemble Acquisition.
● Metaphysical → Heart & Solar Plexus - Growth - Renewal - Abundance - Clarity.
● Jewelry Design → 14.83mm Spring Palette Octagonal - Statement Rings - Elite Pendants.

**WHY THIS TOURMALINE IS EXTRAORDINARY**
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✓ Museum-Grade 12.21ct: Exceeds 12ct — most parti-colored tourmaline under 5ct.
✓ Spring Palette Rarity: Vivid green and yellow — highly desirable fresh color pairing.
✓ Octagonal Step Elegance: Both zones visible simultaneously — sophisticated emerald-cut.
✓ Unique Identity: No two parti-colored identical — genuinely irreplaceable specimen.
✓ ICA Certified: Full independent authenticity — species and variety verification.

Comments:
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● 12ct Museum Trophy: Giant parti-colored specimen — most under 5ct, institutionally rare.
● Spring Palette Appeal: Green-yellow combination — versatile, pairs warm and cool metals.
● Octagonal Sophistication: Step cut elegance — sharp boundaries, both zones displayed.
● Treatment Transparency: Color authenticity currently undeterminable — full disclosure provided.

Clarification: "See Comments" reflects ICA's standard notation — Tourmaline commonly heated or irradiated, color authenticity currently undeterminable. Known in the trade as "Bi-colored Tourmaline". Full transparency provided for informed purchasing decisions.

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Please read the below Information's and terms for your better understanding. Thank you.
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All gems photographed individually using professional DSLR/macro equipment in controlled LED daylight-balanced lighting. HD photos show static detail — watch included videos for true color, brilliance, light play & luster in motion. Colors may vary slightly by screen settings.

Packing & Shipping:
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Packed to jewelry-grade standards with tamper-evident seals, shipped via FedEx/DHL with full tracking & signature required. Dispatched within 1–3 business days after payment clears.

Transit & Insurance:
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Standard 3–7 days | Express 1–3 days (on request, additional cost). High-value items insured by default — optional insurance available on request.

Customs & VAT:
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Import duties and VAT are buyer's responsibility. Please check local regulations before bidding.

Combined Shipping:
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Free for multiple wins — message us within 48hrs with your lot numbers to consolidate.

Returns:
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Accepted within 7 days — unworn, original packaging with certificate intact. Contact us first. Buyer covers return shipping unless item is misdescribed.

Payment:
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- We accept international payments via Payoneer. Items ship after verification

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***INT-REF LOT NUMBER: TH-085-0007/(UMF-OAA-OMA-FFSH-FSAL)***
TH-85-07/(OMA-FFSH-FSAL)