Call GemSelectCall us | language flags Language | (USD) Currency | Cart
New Arrivals Calibrated Pairs Lots Contact
  : : Concave Cuts
Shop By

Single

Pairs

Lots

Faceted

Cab

Carv

Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (19): Concave x
Sort By:
show grid view Page View: Show Grid View Show List View
298115
Show VideoVIDEO
Compare
Item in Stock
11 carat Bi-Color Octagon Concave Cut Ametrine 13.5mmx13mm
10.91ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 10.91ct
  • 13.54mm x 12.99mm x 8.21mm
  • VVS-VS
  • 1 pc
  • USD 111.12
312695
Show VideoVIDEO
Compare
Item in Stock
14.5x13.5mm Octagon Concave Cut Ametrine 14ct
13.95ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 13.95ct
  • 14.36mm x 13.45mm x 9.33mm
  • VVS-VS
  • 1 pc
  • USD 139.15
298135
Show VideoVIDEO
Compare
Item in Stock
13x12.5 Octagon Concave Cut Ametrine 9ct
9.01ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 9.01ct
  • 13.18mm x 12.62mm x 7.51mm
  • VVS-VS
  • 1 pc
  • USD 91.77
302986
Show VideoVIDEO
Compare
Item in Stock
13x12.5mm Octagon Concave Cut Ametrine 10ct
10.38ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 10.38ct
  • 13.24mm x 12.47mm x 8.57mm
  • VVS
  • 1 pc
  • USD 114.18
298136
Show VideoVIDEO
Compare
Item in Stock
12 ct VVS-VS Octagon Concave Cut Ametrine 14x14
12.12ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 12.12ct
  • 13.84mm x 13.77mm x 8.59mm
  • VVS-VS
  • 1 pc
  • USD 123.44
312700
Show VideoVIDEO
Compare
Item in Stock
15 ct VVS Octagon Concave Cut Ametrine 14.5mm x 13
14.66ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 14.66ct
  • 14.51mm x 12.91mm x 11.04mm
  • VVS
  • 1 pc
  • USD 153.20
312956
Show VideoVIDEO
Compare
Item in Stock
12 ct VVS Octagon Concave Cut Ametrine 14x13.5
12.03ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 12.03ct
  • 13.89mm x 13.50mm x 8.80mm
  • VVS
  • 1 pc
  • USD 125.71
357662
 
Compare
Item in Stock
15x11 Smoky Quartz 5ct Pear Concave Cut in Brown
5.28ct Brown Smoky Quartz
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 5.28ct
  • 14.84mm x 11.01mm x 6.86mm
  • VS
  • 1 pc
  • USD 8.87
302984
Show VideoVIDEO
Compare
Item in Stock
13 carat Bi-Color Octagon Concave Cut Ametrine 13mm x 12.5mm
12.72ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 12.72ct
  • 13.22mm x 12.70mm x 11.02mm
  • VVS
  • 1 pc
  • USD 139.92
357663
 
Compare
Item in Stock
14mm x 10 Pear Concave Cut Smoky Quartz 4ct
4.48ct Brown Smoky Quartz
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 4.48ct
  • 14.07mm x 10.06mm x 6.42mm
  • VS
  • 1 pc
  • USD 7.53
302981
 
Compare
Item in Stock
13 ct VVS Octagon Concave Cut Ametrine 14mmx13.5mm
13.21ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 13.21ct
  • 13.79mm x 13.64mm x 9.73mm
  • VVS
  • 1 pc
  • USD 145.31
302987
Show VideoVIDEO
Compare
Item in Stock
13 ct VVS Octagon Concave Cut Ametrine 13.5mm x 13.5mm
12.51ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 12.51ct
  • 13.65mm x 13.53mm x 9.12mm
  • VVS
  • 1 pc
  • USD 137.61
312955
Show VideoVIDEO
Compare
Item in Stock
12 carat Bi-Color Octagon Concave Cut Ametrine 14.5x12.5mm
12.08ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 12.08ct
  • 14.43mm x 12.75mm x 8.45mm
  • VVS
  • 1 pc
  • USD 126.24
298113
Show VideoVIDEO
Compare
Item in Stock
14 carat Bi-Color Octagon Concave Cut Ametrine 14.5x13.5
14.42ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 14.42ct
  • 14.37mm x 13.61mm x 9.85mm
  • VVS
  • 1 pc
  • USD 153.86
312698
Show VideoVIDEO
Compare
Item in Stock
14 ct VVS Octagon Concave Cut Ametrine 14.5mm x 13.5mm
13.66ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 13.66ct
  • 14.64mm x 13.50mm x 9.30mm
  • VVS
  • 1 pc
  • USD 142.75
357666
 
Compare
Item in Stock
4 carat Brown Pear Concave Cut Smoky Quartz 14mm x 10mm
4.38ct Brown Smoky Quartz
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 4.38ct
  • 14.07mm x 10.02mm x 6.25mm
  • VVS-VS
  • 1 pc
  • USD 7.36
357667
 
Compare
Item in Stock
14x10 Oval Concave Cut Smoky Quartz 6ct
5.67ct Brown Smoky Quartz
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 5.67ct
  • 14.11mm x 10.02mm x 7.41mm
  • VVS-VS
  • 1 pc
  • USD 9.53
298159
Show VideoVIDEO
Compare
Item in Stock
14mmx13.5mm Octagon Concave Cut Ametrine 15ct
14.81ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 14.81ct
  • 14.04mm x 13.65mm x 10.63mm
  • VVS
  • 1 pc
  • USD 158.03
312699
Show VideoVIDEO
Compare
Item in Stock
13.5x13.5mm Octagon Concave Cut Ametrine 14ct
14.05ct Bi-Color Ametrine
  • Weight:
  • Size:
  • Clarity:
  • Content:
  • Price:
  • 14.05ct
  • 13.70mm x 13.58mm x 10.63mm
  • VVS
  • 1 pc
  • USD 146.83
Email to a Friend
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39340503

Subscribe to our Newsletter
 
Reorder Items
Select Language by clicking on the Image
Russian Italian German French Chinese English
Русский Italiano Deutsch Français Chinese English

Save Money
No shipping Fees for Additional Items!
$6.99 Worldwide Shipping