Gemstones · Blue

Blue Gemstones

Blue gemstones are among the most beloved in the world. From classic sapphires to vivid aquamarines, Paraíba tourmalines, and tanzanites — explore our full collection of certified blue gems.

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Shape
Gem Type
Colour
Mine of Origin
Carat · 0.00 – 30.00 ct
Price · £0 – £1,400,000
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№ GS-006 · 40× zoom
HEATED
Cushion Sapphire£2,580
1.51
Carat
Blue
Colour
—
Clarity
Madagascar
Origin
Cushion
Shape
Heated
Treatment
GIA
Lab
—
Ratio
M:7.10 × 6.20 × 3.80R:—№ GIA-6234221
№ GS-024 · 40× zoom
HEATED
Emerald Aquamarine£2,880
4.81
Carat
Blue
Colour
—
Clarity
Brazil
Origin
Emerald
Shape
Heated
Treatment
GIA
Lab
—
Ratio
M:11.20 × 8.40 × 5.80R:—№ GIA-6235241
№ GS-005 · 40× zoom
HEATED
Round Sapphire£4,080
1.82
Carat
Blue
Colour
—
Clarity
Sri Lanka
Origin
Round
Shape
Heated
Treatment
GIA
Lab
—
Ratio
M:7.40 × 7.40 × 4.50R:—№ GIA-6234120
№ GS-004 · 40× zoom
HEATED
Oval Sapphire£8,160
2.51
Carat
Blue
Colour
—
Clarity
Sri Lanka
Origin
Oval
Shape
Heated
Treatment
GRS
Lab
—
Ratio
M:9.10 × 6.80 × 4.30R:—№ GRS-2024-014020
№ GS-003 · 40× zoom
NO HEAT
★ Myanmar
Cushion Sapphire£100,800
5.21
Carat
Blue
Colour
—
Clarity
Myanmar
Origin
Cushion
Shape
No Treatment
Treatment
GRS
Lab
—
Ratio
M:10.10 × 9.40 × 5.80R:—№ GRS-2024-013500
№ GS-001 · 40× zoom
NO HEAT
★ Kashmir
Cushion Sapphire£170,400
3.04
Carat
Blue
Colour
—
Clarity
Kashmir
Origin
Cushion
Shape
No Treatment
Treatment
GUB
Lab
—
Ratio
M:8.50 × 7.10 × 5.20R:—№ GUB-23-1102
№ GS-002 · 40× zoom
NO HEAT
★ Kashmir
Oval Sapphire£201,600
4.12
Carat
Blue
Colour
—
Clarity
Kashmir
Origin
Oval
Shape
No Treatment
Treatment
SSEF
Lab
—
Ratio
M:10.20 × 8.30 × 5.40R:—№ SSEF-118245

Blue Gemstones — Sapphires, Aquamarines & More

Blue is the colour most associated with trust, depth, and timeless elegance in fine jewellery. The blue gemstone family is vast and varied: deep royal-blue sapphires, serene aquamarines, vivid Paraíba tourmalines, rich tanzanites, and rare blue spinels all occupy a unique position in this beloved colour family.

  • Sapphire: the benchmark blue gem, ranging from pale sky to deep royal and midnight navy.
  • Aquamarine: clear, serene blue-green; exceptional clarity and large sizes.
  • Paraíba Tourmaline: electric neon blue-green; among the world's most valuable gems per carat.
  • Tanzanite: trichroic blue-violet; found only in Tanzania.
  • Blue Spinel: rare and increasingly collectible.

FAQs — Blue Gemstones

Which blue gemstone is most valuable?

Unheated Kashmir and Burmese sapphires command the highest values among blue gems. Paraíba tourmalines are the most expensive by weight among blue-toned stones.

Gemstones · Blue

Blue Gemstones

Blue gemstones are among the most beloved in the world. From classic sapphires to vivid aquamarines, Paraíba tourmalines, and tanzanites — explore our full collection of certified blue gems.

Book a Gemstone Viewing
Loading…

Blue Gemstones — Sapphires, Aquamarines & More

Blue is the colour most associated with trust, depth, and timeless elegance in fine jewellery. The blue gemstone family is vast and varied: deep royal-blue sapphires, serene aquamarines, vivid Paraíba tourmalines, rich tanzanites, and rare blue spinels all occupy a unique position in this beloved colour family.

  • Sapphire: the benchmark blue gem, ranging from pale sky to deep royal and midnight navy.
  • Aquamarine: clear, serene blue-green; exceptional clarity and large sizes.
  • Paraíba Tourmaline: electric neon blue-green; among the world's most valuable gems per carat.
  • Tanzanite: trichroic blue-violet; found only in Tanzania.
  • Blue Spinel: rare and increasingly collectible.

FAQs — Blue Gemstones

Which blue gemstone is most valuable?

Unheated Kashmir and Burmese sapphires command the highest values among blue gems. Paraíba tourmalines are the most expensive by weight among blue-toned stones.

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