Showing 85–96 of 119 results

Pairs

Tourmaline Companion Pair 10.20 ct | Matching Cut | Mint Green | Congo (DRC)

In stock

$1,836.00
SKU: TOP034
Stone(s)
Total weight10.20 ct / 2 pcs
Country of OriginCongo
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC
Saturation / ToneRich
ShadeMint
ColorGreen
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)12.60 x 9.00 x 6.90 mm
Dimension 2 (L/W/H)12.00 x 8.30 x 5.80 mm
Gemstone Seletion
HTS-Code7103.99.0000
Refractive Indexnω = 1.633–1.651 & nε = 1.615–1.630
Birefringence0.018 – 0.021
Hardness (Mohs)7.0 – 7.5
Gravity3.00 – 3.10
Crystal SystemTrigonal
Chemical FormularAluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg
Region / MineRubaya

Tourmaline Pair Companion 16.79 ct | Octagon | Bottle Green | Congo (DRC)

In stock

$2,519.00
SKU: TOP035
Stone(s)
Total weight16.79 ct / 2 pcs
Region / MineRubaya
Country of OriginCongo
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC
Saturation / ToneMedium Deep
ShadeBottle
ColorGreen
Shape(s)Octagon
Cutting StyleEmerald Cut
Cut CrownStep Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)14.90 x 8.30 x 6.50 mm
Dimension 2 (L/W/H)15.30 x 9.10 x 7.20 mm
HTS-Code7103.99.0000
Refractive Indexnω = 1.633–1.651 & nε = 1.615–1.630
Birefringence0.018 – 0.021
Hardness (Mohs)7.0 – 7.5
Gravity3.00 – 3.10
Crystal SystemTrigonal
Chemical FormularAluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg
Gemstone Seletion

Tourmaline Pair Companion 9.69 ct | Octagon | Bottle Green | Congo (DRC)

In stock

$1,454.00
SKU: TOP036
Stone(s)
Total weight9.69 ct / 2 pcs
Region / MineRubaya
Country of OriginCongo
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC
Saturation / ToneRich
ShadeBottle
ColorGreen
Shape(s)Octagon
Cutting StyleEmerald Cut
Cut CrownStep Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)10.70 x 8.20 x 6.40 mm
Dimension 2 (L/W/H)10.20 x 8.10 x 6.40 mm
HTS-Code7103.99.0000
Refractive Indexnω = 1.633–1.651 & nε = 1.615–1.630
Birefringence0.018 – 0.021
Hardness (Mohs)7.0 – 7.5
Gravity3.00 – 3.10
Crystal SystemTrigonal
Chemical FormularAluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 2.95 ct | Pear Shape| Violet Pink | Umba Valley, Tanzania

In stock

$199.00
SKU: RHP041
Stone(s)
Total weight2.95 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC – VVS
Saturation / ToneMedium
ShadeViolet
ColorPink
Shape(s)Pear Shape
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)8.05 x 5.90 x 4.60 mm
Dimension 2 (L/W/H)8.10 x 5.90 x 4.15 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 3.14 ct | Round | Baby Pink | Umba Valley, Tanzania

In stock

$330.00
SKU: RHP007
Stone(s)
Total weight3.14 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityVVS
Saturation / ToneLight
ShadeBaby
ColorPink
Shape(s)Round
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.60 x 6.90 x 4.70 mm
Dimension 2 (L/W/H)6.90 x 6.90 x 4.35 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 3.21 ct | Pear Shape | Violet Pink | Umba Valley, Tanzania

In stock

$193.00
SKU: RHP042
Stone(s)
Total weight3.21 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityVVS
Saturation / ToneMedium
ShadeViolet
ColorPink
Shape(s)Pear Shape
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)8.80 x 6.50 x 4.10 mm
Dimension 2 (L/W/H)8.80 x 6.50 x 3.65 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 3.42 ct | Pear Shape| Violet Pink | Umba Valley, Tanzania

In stock

$205.00
SKU: RHP043
Stone(s)
Total weight3.42 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityVVS
Saturation / ToneMedium
ShadeViolet
ColorPink
Shape(s)Pear Shape
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)9.10 x 6.50 x 4.60 mm
Dimension 2 (L/W/H)9.10 x 6.50 x 3.90 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 4.92 ct | Round | Mauve Pink | Umba Valley, Tanzania

In stock

$399.00
SKU: RHP002
Stone(s)
Total weight4.92 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC – SI
Saturation / ToneMedium
ShadeMauve
ColorPink
Shape(s)Round
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)7.80 x 4.90 mm
Dimension 2 (L/W/H)7.80 x 4.75 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 5 ct | Pear Shape| Violet Pink | Umba Valley, Tanzania

In stock

$450.00
SKU: RHP044
Stone(s)
Total weight5 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC – VS
Saturation / ToneMedium
ShadeViolet
ColorPink
Shape(s)Pear Shape
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)10.10 x 7.10 x 4.80 mm
Dimension 2 (L/W/H)10.10 x 7.10 x 4.45 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 5.09 ct | Round | Mauve Pink | Umba Valley, Tanzania

In stock

$649.00
SKU: RHP048
Stone(s)
Total weight5.09 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityVVS-VS
Saturation / ToneMedium
ShadeMauve
ColorPink
Shape(s)Round
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)7.90 x 7.90 x 5.40 mm
Dimension 2 (L/W/H)7.90 x 7.90 x 5.35 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 2.72 ct | Round | Mauve Violet | Umba Valley, Tanzania

In stock

$245.00
SKU: RHP051
Stone(s)
Total weight2.72 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC
Saturation / ToneMedium
ShadeMauve
ColorViolet
Shape(s)Round
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.50 x 6.50 x 4.30 mm
Dimension 2 (L/W/H)6.50 x 6.50 x 3.90 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion

Umbalite (Rhodolite Garnet) Pair 3.53 ct | Oval | Violet Pink | Umba Valley, Tanzania

In stock

$318.00
SKU: RHP005
Stone(s)
Total weight3.53 ct / 2 pcs
Region / MineUmba Valley
Country of OriginTanzania
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityVS – SI
Saturation / ToneLight
ShadeViolet
ColorPink
Shape(s)Oval
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)7.50 x 6.50 x 4.50 mm
Dimension 2 (L/W/H)7.50 x 6.50 x 4.60 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.75 – 1.77
Birefringencenone / isotropic
Hardness (Mohs)7.25
Gravity3.74 – 3.94
Crystal SystemCubic
Chemical Formular(Mg, Fe)3Al2(SiO4)3
Gemstone Seletion