Showing 1–12 of 92 resultsSorted by popularity

4.38 ct “Navy Blue”_Unheated Tanzania Spinel

$2,520

Key Features:

  • Weight: 4.38 carats
  • Size: 8.7 x 8.7 x 7 mm
  • Color: Violet-blue (captivating and unique)
  • Cut: Brilliant Cushion (timeless and elegant)
  • Origin: Tanzania – known for vibrant gemstones
  • Treatment: None (100% natural and untreated)
  • Durability: Mohs 8 – Ideal for daily wear

4.07 ct “Twilight Periwinkle”_Unheated Tanzania Spinel

$2,340

Key Features:

  • Weight: 4.07 carats
  • Size: 9 x 8.2 x 7 mm
  • Color: Violet-blue (captivating and unique)
  • Cut: Cushion cut (timeless and elegant)
  • Origin: Tanzania – known for vibrant gemstones
  • Treatment: None (100% natural and untreated)
  • Durability: Mohs 8 – Ideal for daily wear

2.59 ct “1.6mm” Blue Sapphire_Unheated Madagascar

$1,044

Weight: 2.59 ct (≈ 100 stones)
Size: Ø 1.6 mm each
Cut: Super-ideal round brilliant
Color: Icy-Blue
Origin: Madagascar
Treatment: None – Completely Natural

2.08 ct “2.0mm” Blue Sapphire_Natural Madagascar

$900

Weight: 2.08 ct (≈ 42 stones)
Size: Ø 2.0 mm each
Cut: Super-ideal round brilliant
Color: Rich Azure Blue
Origin: Madagascar
Treatment: None – Completely Natural

2.33 ct “2.6mm” Blue Sapphire_Natural Madagascar

$1,080

Weight: 2.33 ct (≈ 25 stones)
Size: Ø 2.6 mm each
Cut: Super-ideal round brilliant
Color: Vivid Blue
Origin: Madagascar
Treatment: None – Completely Natural

2.58 ct “1.6mm” Blue Sapphire_Natural Madagascar

$1,035

Weight: 2.58 ct (≈ 100 stones)
Size: Ø 1.6 mm each
Cut: Super-ideal round brilliant
Color: Icy-Blue
Origin: Madagascar
Treatment: None – Completely Natural

2.40 ct ‘Steel Gray’_Unheated Burma Spinel

$540

* Weight: 2.40 ct
* Size: 9.0 x 7.2 x 4.7 mm
* Cut: Brilliant Cushion
* Color: Metallic Grayish-Blue
* Origin: Burma
* Treatment: None – unheated

6.10 ct “Calming Blue”_Natural Tanzania Spinel

$3,870

* Weight: 6.10 ct
* Size: 12.0 × 11.0 × 7.2 mm
* Cut: Heart with brilliant facets
* Color: Electric Blue
* Origin: Tanzania
* Treatment: None – Unheated

5.27 ct “Azure Blue”_Natural Tanzania Spinel

$3,060

* Weight: 5.27 ct
* Size: 11.3 × 10.3 × 7.3 mm
* Cut: Heart with brilliant facets
* Color: Metallic Blue
* Origin: Tanzania
* Treatment: None – Unheated

4.91 ct “Cornflower Blue”_Unheated Sri Lanka Sapphire

$12,420

Weight: 4.91 ct
Size: 10.8 × 7.9 × 6.0 mm
Shape: Classic Cushion
Color: Cornflower Blue
Origin: Sri Lanka (Ceylon)
Treatment: None – Completely Natural

8.97 ct “Mogok Twilight”_Unheated Burma Spinel

$5,130

Weight: 8.97 ct
Size: 12 x 10.6 x 8.8 mm
Cut: Brilliant Cushion
Color: Navy-Blue
Origin: Burma (Myanmar)
Treatment: None – Unheated

4.89 ct “Cornflower Blue”_Unheated Sri Lanka Sapphire

$14,400

Weight: 4.89 ct
Size: 9.5 × 8.1 × 6.7 mm
Shape: Classic Cushion
Color: Cornflower to Royal Blue
Origin: Sri Lanka (Ceylon)
Treatment: None – Completely Natural