1 pcs Green, Yellow, Bi-colour Tourmaline - 12.21 ct - International Colored Gemstone Association (ICA GemLab) - *Parti-Colored-Treasure*

***INT-REF LOT NUMBER: TH-085-0007/(OME-EEE)***

Spectacular Giant Parti-colored Tourmaline (12.21) Ct - Vivid Green & Yellow - ICA GemLab Certified
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■ ABOUT THIS SPECTACULAR GIANT PARTI-COLORED TOURMALINE (12.21) Ct:
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● Stunning 12.21ct parti-colored tourmaline displaying vivid green and yellow zones capturing spring's freshest colors
● GIANT SIZE exceeding 12 carats—most parti-colored tourmalines remain under 5 carats making this museum-grade specimen
● Elegant octagonal step cut (14.83mm) showcasing both color zones simultaneously with sophisticated emerald-cut aesthetic
● Superior transparent clarity throughout revealing exceptional brilliance with sharp color boundaries between zones

■ CERTIFICATE DETAILS:
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ICA Gem Lab Report Number: TH25G116610; Pin: 1981
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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
COLOR ......................... Green and Yellow
TRANSPARENCY ........ Transparent
PHENOMENA ............... None
TREATMENTS............... See Comments (Treatment Undeterminable - Seller's Opinion)
ORIGIN......................... Brazil (Seller's opinion-premium parti-colored tourmalines originate from Brazil's Minas Gerais pegmatites producing finest multi-color specimens)

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

https://reports.icagemlab.com/verify?date=11%2F07%2F2025&pin=1981&report=TH25G116610&tenant=888888&redirected=true

Or Scan the QR code in the images.
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■ ORIGIN & GEOLOGICAL CONTEXT:
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● Parti-colored tourmalines form when trace element concentrations change during crystal growth over thousands of years
● Professional gemological term commanding higher market recognition than informal trade names like bi-colored
● Green-yellow combination represents nature's spring palette—highly desirable color pairing evoking renewal and vitality
● Brazil's Minas Gerais pegmatites produce finest parti-colored specimens with sharp color boundaries and intense saturation

■ MARKET INSIGHT:
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● Parti-colored tourmalines command 150-300% premium over single-color equivalents due to extreme one-of-a-kind rarity
● GIANT 12ct+ specimens represent museum-grade territory—most commercial parti-colored tourmalines remain under 5 carats
● Step cut octagonal shape showcases both zones elegantly—sophisticated emerald-cut style commands collector preference
● Green-yellow combination offers versatile appeal—pairs beautifully with both warm and cool metal settings

■ METAPHYSICAL PROPERTIES:
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● Known as "Stone of Growth and Renewal"—combines green's heart healing with yellow's mental clarity and abundance
● Green zone activates heart chakra promoting emotional healing, compassion, and connection with nature's rhythms
● Yellow zone stimulates solar plexus enhancing confidence, manifestation abilities, and attracting prosperity
● Treasured for balancing emotional wellness with mental focus, promoting personal growth, and manifesting abundance

■ WHY THIS SPECTACULAR GIANT PARTI-COLORED TOURMALINE IS EXTRAORDINARY:
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✓ GIANT 12.21CT SIZE - Museum-grade specimen, most parti-colored under 5 carats
✓ SPRING COLOR PALETTE - Vivid green and yellow capturing nature's renewal
✓ OCTAGONAL ELEGANCE - Sophisticated step cut showcasing both zones simultaneously
✓ PARTI-COLORED PRESTIGE - Professional classification commanding market recognition
✓ SUBSTANTIAL PRESENCE - 14.83mm dimensions providing impressive visual impact

Comments:
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Known in the trade as "Bi-colored tourmaline". Tourmaline is commonly heated or irradiated to improve or change the color. Color authenticity is currently undeterminable.

● GIANT SIZE PHENOMENON: At 12.21 carats this occupies museum-grade territory—most parti-colored tourmalines under 5 carats as larger rough yielding distinct color zones and transparency exponentially rarer making specimens exceeding 12 carats highly coveted by institutions and collectors.

● PARTI-COLORED PRESTIGE: Professional gemological classification commanding higher market recognition than informal "bi-colored" trade name—green and yellow combination represents highly desirable spring palette in international collector markets commanding premium pricing.

● SPRING PALETTE APPEAL: Green-yellow combination evokes nature's renewal and vitality—this fresh color pairing offers versatile appeal commanding strong preference from collectors seeking unique specimens that capture seasonal beauty in crystalline form.

● OCTAGONAL SOPHISTICATION: Step cut octagonal shape creates elegant emerald-cut aesthetic—sophisticated cutting maximizes parti-color display with both zones visible simultaneously while 14.83mm dimensions provide substantial presence perfect for statement jewelry.

● UNIQUE IDENTITY: No two parti-colored tourmalines possess identical zoning patterns—this specimen's specific green-to-yellow transition completely one-of-a-kind making it genuinely irreplaceable with documented ICA certification ensuring authenticity and investment value.

● TREATMENT TRANSPARENCY: Heat treatment and irradiation standard practices in tourmaline trade to optimize color—enhancement is permanent, stable, and universally accepted with treated parti-colored specimens commanding strong prices due to underlying rarity.

● BRAZILIAN QUALITY: Premium parti-colored specimens from legendary Minas Gerais deposits—these sources produce finest multi-color tourmalines with sharp boundaries and intense saturation commanding strong market recognition internationally.

● INVESTMENT STRENGTH: Large parti-colored tourmalines demonstrate consistent appreciation—as sources for giant specimens deplete and collector awareness grows, premium parti-colored tourmalines positioned perfectly for continued value appreciation in international markets.

Clarification on "See Comments":
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● "See Comments" under treatments means laboratory testing could not conclusively determine whether the gemstone has been treated or not.
● This does NOT mean the stone is definitively treated—rather, it reflects current limitations of available testing technology.
● We provide complete transparency and competitive pricing 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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Photography & Image Accuracy:
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- While our HD photos provide detailed static views, we highly recommend watching the included videos for a true-to-life depiction of the gem's dynamic qualities, including color shifts, brilliance, refractive index, light play, and luster in motion.
- All items are photographed individually using professional DSLR/macro equipment in controlled lighting (LED, daylight-balanced ~5000K).
- Photos are not heavily edited; minor cropping may be applied to represent the gem accurately.
- Images may reveal inclusions or features in greater detail than the naked eye—please examine them carefully. Colors can vary slightly due to screen and lighting differences.

Shipping & Returns:
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- Packing & carriers: We pack to jewelry-grade standards with tamper-evident seals. High-value parcels ship via trusted couriers (FedEx/DHL) with tracking and signature required.

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