Precision Gem Store

On this page are all the cut stones I currently have in inventory. To see more information about a stone, click on the picture, this will take you to a detailed description of the stone, and any additional photos. To see a larger image, click on it.
Stones can be added to the shopping cart, where you can check out using either Paypal a Personal Check, Apple Pay Cash or Wise Transfer. If using Apple Pay Cash, make sure the email you enter is associated with your iMessage account, or enter your iPhone number in the phone number field.

All photos are taken using SOLUX bulbs that are color balance to a warm dalight at 4700 deg K.

Gem 2818 Cobalt Blue Spinel

  • Gem 2818 Cobalt Blue Spinel
  • Gem 2818 Cobalt Blue Spinel

1.770 ct. Cobalt Blue Spinel (lab created)

This one is from new spinel material that is Flame Fusion and that intense cobalt blue color that is so popular. Cut in an oval design, this gem measures 8.1 x 6.545 mm [Video included]

Color: 10/10 Clarity: 10/10 Brilliance: 5/5 TQR: 10.0

Cobalt Blue Spinel


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