没有保留价 - 手镯 高品质925银 坦桑石 - 锆石 - 认证珠宝

改正后的物品描述，将“ring band”更新为“bangle”
Tanzanite, Violet, Approx. 4.10 ct Total, ALGT Certified, 925 Sterling Silver Eternity Bangle
ITEM DETAILS
Condition: New, unworn
Total weight: 11.08 grams (includes silver mounting and all stones)
STONE SPECIFICATIONS
Stone type: Natural Zoisite (Tanzanite)
Number of stones: 22 oval stones (estimated from setting; ALGT tested representative stone)
Shape & cut: Oval, Mixed Cut
Color: Violet
Transparency: Transparent
Measurements per stone: 3.90 x 2.98 x 1.74 mm
Estimated carat weight per stone: Approx. 0.19 ct
Estimated total carat weight: Approx. 4.10 ct
Treatment: Tanzanite is commonly heated at low temperature to improve its color. No scientific method is currently available to confirm enhancement status.
LABORATORY CERTIFICATE
Laboratory: ALGT (Antwerp Laboratory for Gemstone Testing)
Report Number: 820643605
Date: 05 March, 2026
Species: Natural Zoisite
Variety: Tanzanite
Shape & Cutting Style: Oval, Mixed Cut
Measurements: 3.90 x 2.98 x 1.74 mm
Color: Violet
Transparency: Transparent
Carat Weight on Certificate: N/A (examined as mounted)
Comments: Tanzanite is commonly heated at low temperature to improve its color. No scientific method available to confirm.
IMPORTANT NOTES
Carat weight is listed as N/A on the ALGT certificate because the stones were examined while set in the mounting, making direct weighing impossible
Estimated carat weight of approx. 0.19 ct per stone was calculated using standard gemological formula (L x W x D x Shape Factor x Specific Gravity), based on ALGT-reported measurements and tanzanite specific gravity of 3.33 - 3.36 g/cm³
Stone count of 22 is estimated based on visual assessment of this full eternity bangle setting; all stones confirmed as Natural Tanzanite by ALGT
The total gram weight of 11.08g includes the sterling silver bangle and all mountings combined
ESTIMATED RETAIL VALUE BREAKDOWN
Natural Tanzanite (22 oval stones): 4.10 ct x €120.00/ct = €492.00
Silver value: 11.08 g x €2.07/g = €22.94
Labor & ALGT certification: €50.00
Estimated total retail value: Approx. €565.00
All measurements and carat estimates are approximate. Value breakdown is provided for full transparency based on current market rates.

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