1.51 ct blue sapphire, oval mixed cut, face-up view.

1.51 ct Bright Blue Sapphire — Oval Mixed Cut

$995.00
Skip to product information
1.51 ct blue sapphire, oval mixed cut, face-up view.
  • 1.51 ct blue sapphire, oval mixed cut, face-up view.
  • 1.51 ct blue sapphire, oval mixed cut, alternate view showing deeper blue color.
  • 1.51 ct blue sapphire, oval mixed cut, face-up view.
  • 1.51 ct blue sapphire, oval mixed cut, alternate view showing deeper blue color.
1.51 ct Bright Blue Sapphire — Oval Mixed Cut

1.51 ct Bright Blue Sapphire — Oval Mixed Cut

$995.00
CollectibleOtzera 50 · 33 of 50 · judged relative to the species How we read a stone

Collector's Note
A classic oval blue sapphire with a pleasing medium-to-deep blue appearance and a balanced face-up spread. The oval mixed cut gives the stone a familiar, versatile shape while retaining enough internal contrast to create lively flashes across the face.

Gemstone Details
Gemstone: Natural Blue Sapphire
Species: Corundum
Weight: 1.51 ct
Shape / Cut: Oval Mixed Cut
Measurements: 7.70 × 5.81 × 4.00 mm
Color: Blue

O50 Collector Evaluation
Otzera 50: 33 — Collectible
Face-Up Performance: 75%

Treatment Disclosure
Heat.

Care & Setting
Sapphire is highly durable and suitable for jewelry wear. Clean with warm water, mild soap and a soft brush.

Digital Gem Passport
Accompanied by an Otzera Digital Gem Passport preserving its identifying details, treatment disclosure and O50 evaluation.

Read our full sapphire guide →

You may also like

1.41 ct blue sapphire, pear mixed cut, face-up view showing saturated blue color.

1.41 ct Blue Sapphire — Pear Mixed Cut

1.41 ct Blue Sapphire — Pear Mixed Cut
$944.00
1.03 ct unheated Sri Lankan blue sapphire oval mixed cut, face-up view, Otzera OTZ-2026-01729

1.03 ct Unheated Sri Lankan Blue Sapphire — Oval Mixed Cut

1.03 ct Unheated Sri Lankan Blue Sapphire — Oval Mixed Cut
$895.00
1.02 ct natural blue sapphire, oval mixed cut, face-up view.

1.02 ct Blue Sapphire — Oval Mixed Cut

1.02 ct Blue Sapphire — Oval Mixed Cut
$895.00
1.51 ct blue sapphire, oval mixed cut, view 1 — Otzera OTZ-2026-01764

1.51 ct Deep Blue Sapphire — Oval Mixed Cut

1.51 ct Deep Blue Sapphire — Oval Mixed Cut
$695.00