john dyer

3.85cts umbalite garnet starbrite™ cut round

1.78ct 7.9x4.4mm rectangle regal radiant cut blue sapphire

2.60cts blue australian sapphire starbrite™ cut oval

3.0cts umbalite garnet starbrite™ cut oval

1.15ct blue sapphire pear starbrite™ pear cut

0.88-carat parti color australian sapphire starbrite cut by john dyer

2.79ct parti color australian sapphire starbrite™ cut cushion

3.80cts umbalite garnet starbrite™ cut oval

0.63cts blue/green tourmaline starbrite™ cut oval

sapphire - round starbrite™ cut - 0.90ct

1.9ct 7x6.2x3.44mm cushion starbrite cut natural pink sapphire

1.35ct 9.3x4.4x3.55mm deep concave rectangle cut dragon malaya garnet

one-of-a-kind - "piper" - trillion checkerboard cut color-changing garnet engagement ring with diamond accents

3.15cts blue/green tourmaline starbrite™ cut oval

3.67cts light green tourmaline fantasy cut fancy shape

4.81cts umbalite garnet starbrite™ cut oval

0.85ct pale yellow montana sapphire starbrite™ cut round

sapphire - oval starbrite™ cut - 1.06ct

1.64ct 7.8x5.54x5.98mm deep concave oval cut purple dragon malaya garnet

14.25cts rhodolite garnet starbrite™ cut oval