Skip to content
Columbia Gem House Columbia Gem House
Account
Search
Loading...
Cart
  • Home
  • Gemstones
    • Faceted
    • Cabochons
    • Melee
    • Slices
    • Crystals
    • Pairs and Suites
    • Carvings
    • Parcels and Lots
    • Featured
      • American Gems
      • Montana Sapphires
      • Objet D' Art
  • Jewelry
    • Rings
    • Earrings
    • Necklaces
    • Pendants
    • Bracelets
    • Suites
    • Collections
      • Ready to Ship
    • Programs
  • Pearls
    • Cortez Pearls
      • Loose
      • Learn More About Cortez Pearls
    • Cultured Pearls
      • Loose
  • Beads
    • Beads
  • Services
    • Cutting
    • Consulting
    • Speaking Engagements
    • Wholesale Accounts
  • Fair Trade Gems
    • Principles
    • Protocols
    • Get Involved
  • Resources
    • Fair Trade Blog
    • Gem Education
      • Gem Facts
      • Travel the World of Gems
      • Gemstone Spotlight
      • Gemstone Glossary
      • How Gemstones are Cut
      • Gem Care & Cleaning
    • Jewelry Education
      • Step by Step
      • Designer Profile
      • Settings Glossary
      • Care and Cleaning
  • About Us
  • Account
  • Home
  • / Products
  • / Stone Size: 2.5mm

Products

Filter
  • Stone Size: 2.5mm remove
Gem Type
  • All Customizable
  • Beryl
  • Diopside
  • Garnet
  • Iolite
  • Ruby
  • Sapphire
  • Spinel
  • Tanzanite
  • Topaz
  • Tourmaline
  • Zircon
Variety
  • Anthill Garnet
  • Australian Sapphire
  • Black Spinel
  • Blue Topaz
  • Blue Zircon
  • Goshenite
  • Imperial Diopside
  • Imperial Topaz
  • Montana Sapphire
  • Multi
  • Pink Spinel
  • Sapphire
  • Seafoam Tourmaline
  • Spinel
  • Tanzanite
  • Tsavorite Garnet
  • Wyoming Iolite
  • Wyoming Ruby
Shape
  • Mixed
  • Princess
  • Round
Sub Shape
  • Rose
Fair Trade Level
  • 1
  • 2
  • 3
  • 4
  • 5
  • Multiple
Origin
  • Afghanistan
  • Africa
  • Australia
  • Cambodia
  • Multiple
  • Russia
  • South America
  • USA
  • Vietnam
Location
  • Arizona
  • Brazil
  • Montana
  • Multiple
  • Tanzania
  • Wyoming
  • Yakutsk
Color
  • Black
  • Blue
  • Blue/Green
  • Golden
  • Green
  • Light Blue
  • Multi
  • Pink
  • Purple
  • Red
  • White
Treatment
  • Heat Only
  • Heat only
  • Heat-Only
  • Irradiated
  • Natural
  • Not Treated
  • Varies by Gemstone
  • Varies by Stone
Gem Cut
  • Bead
  • Cabochon
  • Faceted
Stone Size
  • 2.5mm remove
Total Gem Weight
  • 0.01 cw
  • 0.02 cw
  • 0.03 cw
  • 0.04 cw
  • 0.05 cw
  • 0.07 cw
  • 0.08 cw
  • 0.09 cw
  • 0.1 cw
  • 0.11 cw
  • 0.12 cw
  • 0.13 cw
  • 0.14 cw
  • 0.15 cw
  • 0.16 cw
  • 0.19 cw
  • 0.21 cw
  • 0.28 cw
  • 0.37 cw
  • 0.49 cw
  • 0.55 cw
  • 0.65 cw
  • 0.66 cw
  • 0.81 cw
  • 0.89 cw
  • 1.15 cw
  • 1.22 cw
  • 1.8 cw
  • 1.93 cw
  • 3.17 cw
  • 4.0 cw
  • 5.02 cw
  • Varies By Gemstone
  • Varies By Size
1 to 3mm Blue Spinel Rounds
From $15.00
3mm Rnd Purple Anthill Garnet
1.0 to 3.5mm Purple Anthill Garnet Rounds
From $22.80
1.0 to 3.5mm Red Anthill Garnet Rounds
From $22.80
1.3mm to 3.5mm Round Seafoam Tourmaline® Melee
1.3 to 3.5mm Seafoam Tourmaline® Rounds
From $13.50
2.5mm Round Cabochon Cut Anthill Garnet Melee
1.5 to 3.0mm Anthill Garnet Round Cabochons
From $24.00
1.6mm to 3.5mm Round Red Spinel Melee
Sold Out
1.6 to 3.5mm Red Spinel Rounds
From $18.00
3mm Natural Round Goshenite Melee
1.75 to 3mm Goshenite Rounds
From $21.00
2 to 3.5mm Golden Imperial Topaz Rounds
From $24.00
2mm to 3.5mm Princess Cut Seafoam Tourmaline® Melee
2 to 3.5mm Seafoam Tourmaline® Princess Cuts
From $22.50
2 to 3mm Fancy Australian Sapphire Princess Cuts
From $36.00
2.25 to 3.75mm Dark Demin Montana Sapphire Rounds
From $42.00
2.25 to 3.75mm Dark Teal Montana Sapphire Rounds
From $54.00
3.5mm Princess Cut Tsavorite Garnet Melee
2.5 to 3.5mm Tsavorite Garnet Princess Cuts
From $63.00
4mm Natural Round Wyoming Iolite Melee
2.5 to 3.5mm Wyoming Iolite Rounds
From $15.00
2.5 to 5mm Red Anthill Garnet Princess Cuts
From $33.00
3mm Princess Cut Pink Spinel Melee
2.5mm Pink Spinel Princess Cuts
$36.00
2.5mm Round Blue Topaz Five Stone Bezel Band in 14kt White Gold
2.5mm Round Blue Topaz Five Stone Bezel Band in 14kt White Gold
From $1,179.00
2.5mm Round Five Stone European Shank Blue Zircon Channel Set Band in Sterling Silver
Sold Out
2.5mm Round Five Stone European Shank Blue Zircon Channel Set Band in Sterling Silver
$900.00
2.5mm Round Green Seafoam Tourmaline® Tennis Bracelet in 14kt White Gold
$4,858.00
2.5mm Round Natural Imperial Diopside Flower Dangle Earrings in 14kt White Gold
Sold Out
2.5mm Round Natural Imperial Diopside Flower Dangle Earrings in 14kt White Gold
$1,290.00
2.5mm Round Natural Montana Sapphire Necklace in 14k Gold
2.5mm Round Natural Montana Sapphire Necklace in 14k Gold
$861.00
2.5mm Round Natural Wyoming Ruby Necklace in 14k Gold
2.5mm Round Natural Wyoming Ruby Necklace in 14k Gold
$621.00
2.5mm Round Rainbow Sapphire Bracelet in 14kt Yellow Gold
$5,478.00
2.5mm Round Tanzanite & 3mm Princess Green Tourmaline Band in 14kt Gold
Sold Out
2.5mm Round Tanzanite & 3mm Princess Green Tourmaline Band in 14kt Yellow Gold
$1,318.00
2.5mm to 6mm Black Spinel Rondel Beads
From $24.75
2.5mm to 7mm Black Spinel Faceted Round Beads
From $27.00
2mm to 3mm Black Spinel Rose Cut Rounds
From $27.00
Blue Australian Sapphire Bracelet in 14kt Yellow Gold
$5,490.00
Customizable 2.5mm Round Montana Sapphire Bezel Ring in 14kt Gold
Customizable 2.5mm Round Gemstone Bezel Ring in 14kt Gold
From $633.00

1-800-888-2444

Company

  • About Us
  • Blog
  • Contact

Customer Care

  • Shipping
  • Returns
  • Wholesale Accounts
  • Terms & Conditions
  • Privacy

Connect

Stay in the know!

Copyright © 2023 Columbia Gem House, Inc..
American Express Apple Pay Diners Club Discover Meta Pay Google Pay Mastercard PayPal Shop Pay Venmo Visa