Showing 133–144 of 237 results
Tourmaline 3.06 ct | Cushion | Lime Green | Rubaya, Congo
SKU:
TOS212
In stock
$275.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.06 ct / 1 pcs |
| Region / Mine | Rubaya |
| Country of Origin | Congo |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Medium |
| Shade | Lime |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 10.00 x 6.50 x 5.60 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 3.70 ct | Octagon | Lime Green | Rubaya, Congo
SKU:
TOS213
In stock
$555.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.70 ct / 1 pcs |
| Region / Mine | Rubaya |
| Country of Origin | Congo |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Medium |
| Shade | Lime |
| Color | Green |
| Shape(s) | Octagon |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 12.40 x 7.10 x 5.60 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 4.24 ct | Cushion | Mint Green | Rubaya, Congo
SKU:
TOS194
In stock
$763.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 4.24 ct / 1 pcs |
| Country of Origin | Congo |
| Treatment | Untreated |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Mint |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 11.30 x 7.70 x 5.50 mm |
| Gemstone Seletion | Single Stones |
| Stone Type | Type I |
| Transperency | Transparent |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Region / Mine | Rubaya |
Tourmaline 4.25 ct | Oval | Lime Green | Rubaya, Congo
SKU:
TOS211
In stock
$446.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 4.25 ct / 1 pcs |
| Region / Mine | Rubaya |
| Country of Origin | Congo |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Light |
| Shade | Lime |
| Color | Green |
| Shape(s) | Oval |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 10.20 x 8.60 x 6.30 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 5.91 ct | Cushion | Mint Green | Rubaya, Congo
SKU:
TOS191
In stock
$1,065.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 5.91 ct / 1 pcs |
| Country of Origin | Congo |
| Treatment | Untreated |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Mint |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 13.50 x 9.70 x 5.90 mm |
| Gemstone Seletion | Single Stones |
| Stone Type | Type I |
| Transperency | Transparent |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Region / Mine | Rubaya |
Tourmaline 10.93 ct | Octagon | Rose Pink | Minas Gerais, Brazil
SKU:
TOS226
In stock
$2,295.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 10.93 ct / 1 pcs |
| Region / Mine | Minas Gerais |
| Country of Origin | Brazil |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Rosé |
| Color | Pink |
| Shape(s) | Octagon |
| Cutting Style | Emerald Cut |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 14.50 x 11.10 x 8.10 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 12.15 ct | Oval | Peach Pink | Ibity, Madagascar
SKU:
TOS217
In stock
$1,094.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 12.15 ct / 1 pcs |
| Country of Origin | Madagascar |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | MI |
| Saturation / Tone | Light |
| Shade | Violet |
| Color | Red |
| Shape(s) | Oval |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 17.10 x 13.40 x 7.90 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
| Region / Mine | Ibity |
Tourmaline 2.94 ct | Octagon | Bluish Green | Kunar, Afghanistan
SKU:
TOS209
In stock
$706.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 2.94 ct / 1 pcs |
| Region / Mine | Kunar |
| Country of Origin | Afghanistan |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Bluish |
| Color | Green |
| Shape(s) | Octagon |
| Cutting Style | Emerald Cut |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 10.60 x 6.60 x 4.90 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 3.08 ct | Cushion | Bluish Green | Kunar, Afghanistan
SKU:
TOS208
In stock
$739.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.08 ct / 1 pcs |
| Region / Mine | Kunar |
| Country of Origin | Afghanistan |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Bluish |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Baguette |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 9.70 x 7.00 x 5.40 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 3.43 ct | Oval | Lime Green | Rubaya, Congo
SKU:
TOS215
In stock
$309.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.43 ct / 1 pcs |
| Region / Mine | Rubaya |
| Country of Origin | Congo |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Light |
| Shade | Lime |
| Color | Green |
| Shape(s) | Oval |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 9.60 x 8.40 x 6.20 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |
Tourmaline 3.57 ct | Cushion | Mint Green | Rubaya, Congo
SKU:
TOS196
In stock
$643.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.57 ct / 1 pcs |
| Country of Origin | Congo |
| Treatment | Untreated |
| Clarity | VS |
| Saturation / Tone | Rich |
| Shade | Mint |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 11.60 x 7.00 x 5.60 mm |
| Gemstone Seletion | Single Stones |
| Stone Type | Type I |
| Transperency | Transparent |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Region / Mine | Rubaya |
Tourmaline 3.77 ct | Pear shape | Violet Pink | Alto-Ligonha, Mosambique
SKU:
TOS205
In stock
$226.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 3.77 ct / 1 pcs |
| Region / Mine | Alto-Ligonha |
| Country of Origin | Mosambique |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | VS |
| Saturation / Tone | Rich |
| Shade | Violet |
| Color | Pink |
| Shape(s) | Pear Shape |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 12.10 x 9.80 x 6.00 mm |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Gemstone Seletion | Single Stones |