Showing 121–132 of 237 results

Single Stones

Spinel 1.53 ct | Cushion | Greyish Pink | Mogok, Burma (Myanmar)

SKU: SLS006

In stock

$184.00
Stone(s)
Total weight1.53 ct / 1 pcs
Region / MineMogok
Country of OriginMyanmar (Burma)
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClarityVS
Saturation / ToneRich
Shadegreyish
ColorPink
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)7.80 x 6.10 x 3.90 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Item Location (Intern)TH-T11-A6
Gemstone Seletion

Spinel 1.95 ct | Cushion | Baby Pink | Mogok, Burma (Myanmar)

SKU: SLS025

In stock

$439.00
Stone(s)
Total weight1.95 ct / 1 pcs
Region / MineMogok
Country of OriginMyanmar (Burma)
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneLight
ShadeBaby
ColorPink
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)8.10 x 7.10 x 4.70 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Gemstone Seletion

Spinel 2.24 ct | Cushion | Crimson Red | Mogok, Burma (Myanmar)

SKU: SLS023

In stock

$1,500.00
Stone(s)
Total weight2.24 ct / 1 pcs
Country of OriginMyanmar (Burma)
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClarityEC
Saturation / ToneMedium Deep
ShadeCrimson
ColorRed
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)8.50 x 6.60 x 4.30 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Gemstone Seletion
Region / MineMogok

Spinel 2.43 ct | Cushion | Violet Red | Mogok, Burma (Myanmar)

SKU: SLS024

In stock

$3,150.00
Stone(s)
Total weight2.43 ct / 1 pcs
Country of OriginMyanmar (Burma)
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClarityEC
Saturation / ToneMedium
ColorRed
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)8.80 x 7.30 x 4.70 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Gemstone Seletion
Region / MineMogok
ShadePinkish

Spinel 4.20 ct | Emerald Cut | Burgundy Red | Mahenge, Tanzania

SKU: SLS022

In stock

$10,080.00
Stone(s)
Total weight4.20 ct / 1 pcs
Country of OriginTanzania
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClarityEC
Saturation / ToneIntense
Shadeburgundy
ColorRed
Shape(s)Octagon
Cutting StyleFaceted
Cut CrownStep Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)10.64 x8.73 x 5.22 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Gemstone Seletion
Region / MineMahenge

Spinel 5.40 ct | Cushion | Violet Blue | Ceylon, Sri Lanka

SKU: SLS021

In stock

$2,750.00
Stone(s)
Total weight5.40 ct / 1 pcs
Region / MineRatnapura
Country of OriginSri Lanka
TreatmentUntreated
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneMedium
ShadeViolet
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)10.72 x7.91 x 7.09 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Index1.712 – 1.736 / average = 1.719
Birefringencenone / isotropic
Hardness (Mohs)8.0
Gravity3.58 – 3.65
Crystal SystemCubic
Chemical FormularMagnesium-Aluminat – MgAl₂O₄
Gemstone Seletion

Tanzanite 3.04 ct | Trillion Cut | Tanzanite Blue | Merelani Hills, Tanzania

SKU: TZS085

In stock

$456.00
Stone(s)
Total weight3.04 ct / 1 pcs
Region / MineMerelani Hills
Country of OriginTanzania
TreatmentTraditional Heat
Stone TypeType I
TransperencyTransparent
ClarityLC
Saturation / ToneMedium
ShadeTanzanite
ColorBlue
Shape(s)Trillion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionPortuguese Cut
Dimensions 1 (L/W/H)8.90 x 6.30 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Indexnα = 1.685 – 1.696, nβ = 1.693 -1.702 and nγ = 1.700 -1.707
Birefringence0.008 – 0.013
Hardness (Mohs)6.5
Gravity3.35 – 3.38
Crystal SystemOrthorhombic
Chemical Formular[Ca2Al3(SiO4)(Si2O7)O(OH)] + (Cr, Sr)
Gemstone Seletion

Tanzanite 16.59 ct | Cushion | Purplish Blue | Merelani Hills, Tanzania

SKU: TZS082

In stock

$8,295.00
Stone(s)
Total weight16.59 ct / 1 pcs
Region / MineMerelani Hills
Country of OriginTanzania
TreatmentTraditional Heat
Stone TypeType I
TransperencyTransparent
ClarityLC
Saturation / ToneIntense
ShadePurplish
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionPortuguese Cut
Dimensions 1 (L/W/H)13.55 x 13.50 x 11.30 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Indexnα = 1.685 – 1.696, nβ = 1.693 -1.702 and nγ = 1.700 -1.707
Birefringence0.008 – 0.013
Hardness (Mohs)6.5
Gravity3.35 – 3.38
Crystal SystemOrthorhombic
Chemical Formular[Ca2Al3(SiO4)(Si2O7)O(OH)] + (Cr, Sr)
Item Location (Intern)Austria
Gemstone Seletion

Tanzanite 21.26 ct | Cushion | Purplish Blue | Merelani Hills, Tanzania

SKU: TZS083

In stock

$10,630.00
Stone(s)
Total weight21.26 ct / 1 pcs
Region / MineMerelani Hills
Country of OriginTanzania
TreatmentTraditional Heat
Stone TypeType I
TransperencyTransparent
ClarityLC
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionPortuguese Cut
Dimensions 1 (L/W/H)15.05 x 15.03 x 12.10 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Indexnα = 1.685 – 1.696, nβ = 1.693 -1.702 and nγ = 1.700 -1.707
Birefringence0.008 – 0.013
Hardness (Mohs)6.5
Gravity3.35 – 3.38
Crystal SystemOrthorhombic
Chemical Formular[Ca2Al3(SiO4)(Si2O7)O(OH)] + (Cr, Sr)
Item Location (Intern)Austria
Saturation / ToneIntense
ShadePurplish
Gemstone Seletion

Tanzanite 4.05 ct | Round | Tanzanite Blue | Merelani Hills, Tanzania

SKU: TZS084

In stock

$608.00
Stone(s)
Total weight4.05 ct / 1 pcs
Region / MineMerelani Hills
Country of OriginTanzania
TreatmentTraditional Heat
Stone TypeType I
TransperencyTransparent
ClarityLC
Saturation / ToneMedium
ShadeTanzanite
ColorBlue
Shape(s)Round
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionPortuguese Cut
Dimensions 1 (L/W/H)9.80 x 9.60 x 6.40 mm
CertificateOn Request
HTS-Code7103.99.0000
Refractive Indexnα = 1.685 – 1.696, nβ = 1.693 -1.702 and nγ = 1.700 -1.707
Birefringence0.008 – 0.013
Hardness (Mohs)6.5
Gravity3.35 – 3.38
Crystal SystemOrthorhombic
Chemical Formular[Ca2Al3(SiO4)(Si2O7)O(OH)] + (Cr, Sr)
Gemstone Seletion

Tourmaline 2.77 ct | Oval | Lime Green | Rubaya, Congo

SKU: TOS214

In stock

$229.00
Stone(s)
Total weight2.77 ct / 1 pcs
Region / MineRubaya
Country of OriginCongo
TreatmentUntreated
Stone TypeType I
TransperencyTransparent
ClarityEC
Saturation / ToneLight
ShadeLime
ColorGreen
Shape(s)Oval
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)9.00 x 7.60 x 5.50 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 3.04 ct | Cushion | Mint Green | Rubaya, Congo

SKU: TOS192

In stock

$547.00
Stone(s)
Total weight3.04 ct / 1 pcs
Country of OriginCongo
TreatmentUntreated
ClarityEC
Saturation / ToneRich
ShadeMint
ColorGreen
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)10.80 x 7.10 x 5.20 mm
Gemstone Seletion
Stone TypeType I
TransperencyTransparent
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