Buy Octagon Shape 25x18 mm Gems(4)
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Bi-color
Black
Blue
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Amber Orange
Apricot Orange
Aqua Blue
Army Green
Autumn Yellow
Azure Blue
Baby Blue
Banana Yellow
Battleship Grey
Berry Purple
Berry Red
Berry Violet
Bi-color
Black
Black Brown
Black Gray
Black with Blue Sparkle
Black with Bronze
Black with Gold Sheen
Black with Grey
Black with Grey Lines
Blackberry Violet
Blackish Blue
Blackish Bronze
Blackish Brown
Blackish Purple
Blackish Red
Blood Red
Blue
Blue Green
Blue-Green
Bluish Green
Bluish Grey
Bluish Violet
Bluish White
Blush Pink
Blush Red
Boysenberry
Boysenberry Purple
Brick Red
Bright Blue
Bright Blue Green
Bright Bluish Green
Bright Crimson Red
Bright Forest Green
Bright Gold
Bright Grape
Bright Grape Violet
Bright Green
Bright Greenish Blue
Bright Lemon Yellow
Bright Magenta
Bright Moss Green
Bright Navy Blue
Bright Orange
Bright Orange Red
Bright Pink
Bright Pinkish Purple
Bright Pinkish Violet
Bright Purple
Bright Red
Bright Teal
Bright Violet
Bright White
Brilliant Green
Brown
Brown Black
Brownish Golden
Brownish Green
Brownish Orange
Brownish Peach
Brownish White
Brownish Yellow
Bubblegum Pink
Bubblegum Pink Tone
Buish Green
Bumblebee Yellow
Burgundy Pink
Candy Red
Cantaloupe Orange
Caramel Brown
Cedar Brown
Champagne
Cherry Pink
Cherry Pink Tone
Chocolate Brown
Cider Orange
Cinnamon Brown
Clear
Clear and Gold-Bronze
Clear White
Clear with Black
Clear with Brown
Clear with Copper
Clear with Inclusion
Clover Green
Coffee Brown
Cognac
Colorless
Cool Brown
Cool Emerald Green
Cool Forest Green
Cool Green
Cool Pine Green
Cool White
Coral Pink
Coral Pink Tone
Corn Yellow
Cornflower Blue
Cream
Cream White
Cream Yellow
Crimson Red
Currant Red
Cyan Blue
Cyber Yellow
Dark Blue
Dark Blue Green
Dark Bluish Purple
Dark Brown
Dark Chocolate Brown
Dark Earthy Green
Dark Gold
Dark Golden
Dark Grape Violet
Dark Gray
Dark Grayish Black
Dark Green
Dark Green Blue
Dark Greenish Blue
Dark Grey
Dark Magenta-Pink
Dark Navy Blue
Dark Orange
Dark Orange Red
Dark Orange-Gold
Dark Pink
Dark Purple
Dark Purple Mauve
Dark Purple-Grey
Dark Red
Dark Reddish Black
Dark Reddish Purple
Dark Sangria
Dark Silver
Dark Teal
Dark Violet
Deep Amber Red
Deep Aqua
Deep Aqua Blue
Deep Azure
Deep Azure Blue
Deep Baby Blue
Deep Berry Red
Deep Blood Red
Deep Blue
Deep Blue Green
Deep Brick Red
Deep Brown
Deep Brown to Reddish Golden
Deep Brownish Orange
Deep Bubblegum Pink
Deep Chocolate Brown
Deep Cinnamon Brown
Deep Cognac
Deep Crimson
Deep Crimson Red
Deep Earth Green
Deep Egyptian Blue
Deep Fern Green
Deep Forest Green
Deep Gold
Deep Golden Brown
Deep Golden Orange
Deep Golden-Peach
Deep Grape Violet
Deep Grayish Green
Deep Green
Deep Hot Pink
Deep Iris Violet
Deep Lavender
Deep Magenta
Deep Magenta-Pink
Deep Mauve
Deep Mauve Tone
Deep Maya Blue
Deep Navy Blue
Deep Orange
Deep Orange Brown
Deep Orange Pink
Deep Orange Red
Deep Orange-Gold
Deep Peach
Deep Pink
Deep Pink Berry Purple
Deep Pinkish Purple
Deep Pinkish Violet
Deep Plum
Deep Purple
Deep Purple Blue
Deep Purple Red
Deep Purplish Violet
Deep Red
Deep Reddish Brown
Deep Reddish Orange
Deep Reddish Pink
Deep Rose Pink
Deep Rose Red
Deep Rosewood Pink
Deep Salmon Pink
Deep Sangria
Deep Scarlet Red
Deep Turquoise
Deep Violet
Deep Violet Blue
Deep Violet Hue
Deep Warm Brown
Deep Wine Red
Deep Yellow
Dijon Yellow
Earth Golden
Earth Green
Earth Orange
Earthy Brown
Earthy Gold
Earthy Green
Earthy Orange
Earthy Pink
Earthy Reddish Pink
Earthy Yellow
Eggplant Violet
Egyptian Blue
Electric Azure Blue
Electric Blue
Electric Blue Green
Electric Blue Tone
Electric Green
Electric Magenta
Electric Purple
Electric Purple Blue
Espresso Brown
Fern Green
Fire Orange
Fire Red
Fire Red Tone
Flamingo Pink
Forest Green
Fruit Punch Red
Ginger Orange
Gingerbread Brown
Gold
Golden
Golden Brown
Golden Green
Golden Green Brown
Golden Greenish Brown
Golden Orane to Deep Brown
Golden Orange
Golden Orange Cream
Golden Tangerine
Golden Yellow
Golden-Brown
Golden-Orange
Golden-Peach
Golden-Yellow
Goldenrod Yellow
Grape
Grape Purple
Grape Purple Tone
Grape Violet
Grape Violet Tone
Grapefruit Orange
Grapefruit Pink
Gray
Gray Forest Green
Grayish Black
Grayish Blue
Grayish Green
Grayish Magenta
Grayish Moss Green
Grayish Purple
Grayish Red
Grayish Violet
Grayish White
Grayish Yellow-Green
Green
Green Blue
Green Blue Tone
Green with Red
Green Yellow
Green-Blue
Greenish Blue
Greenish Brown
Greenish Golden
Greenish Golden Brown
Greenish Grey
Greenish White
Greenish Yellow
Grey
Grey Brown
Grey Green
Grey Pinkish Purple
Grey Purple
Grey Purple-Pink
Grey-Purple
Greyish Blue
Greyish Blue Green
Greyish Purple
Hickory Brown
Honey Orange
Honey Yellow
Hot Pink
Hot Pink Tone
Indian Red
Intense Aqua Blue
Intense Azure Blue
Intense Baby Blue
Intense Blue
Intense Blue Green
Intense Green
Intense Mauve
Intense Mint Green
Intense Navy Blue
Intense Orange
Intense Pink
Intense Pink Violet
Intense Pinkish Purple
Intense Purple
Intense Red
Intense Red Orange
Intense Silver Aqua-Blue
Intense Violet
Intense Violet Blue
Intense Yellow
Iris Purple
Iris Violet
Jade Green
Jam Red
Ladybug Red
Laguna Yellow
Lavender
Lavender Pink
Lemon Yellow
Light Cinnamon Brown
Light Aqua Blue
Light Baby Blue
Light Basil Green
Light Blackish Brown
Light Blue
Light Blue Green
Light Blue Grey
Light Blue-Green
Light Bluish Green
Light Bluish Grey
Light Bluish Violet
Light Brick Red
Light Brown
Light Brownish Golden
Light Brownish Orange
Light Bubblegum Pink
Light Bumblebee Yellow
Light Candy Apple Red
Light Caramel Brown
Light Cedar Brown
Light Cherry Pink
Light Cinnamon Brown
Light Coffee Brown
Light Cool Green
Light Coral Pink
Light Corn Yellow
Light Cornflower Blue
Light Dijon Yellow
Light Earth Orange
Light Earthy Brown
Light Earthy Green
Light Earthy Yellow
Light Fern Green
Light Forest Green
Light Gold
Light Golden
Light Golden Brown
Light Golden Yellow
Light Golden-Brown
Light Golden-Yellow
Light Grape Purple
Light Grape Purple-Pink
Light Grayish Purple
Light Grayish Violet
Light Grayish White
Light Green
Light Green Blue
Light Green White
Light Green-Blue
Light Greenish Blue
Light Greenish White
Light Greenish Yellow
Light Grey
Light Grey Green
Light Hazel Green
Light Honey Yellow
Light Hot Pink
Light Iris
Light Iris Violet
Light Laguna Yellow
Light Lavender Pink
Light Lemon Yellow
Light Lilac
Light Lime Green
Light Lively Green
Light Magenta
Light Maya Blue
Light Mint
Light Mint Green
Light Mocha
Light Moss Green
Light Navy Blue
Light Neutral Orange
Light Orange
Light Orange Red
Light Orange-Gold
Light Orangish Pink
Light Peach Orange
Light Peach Rose
Light Peachy Golden
Light Peanut Brown
Light Pear Green
Light Pine Green
Light Pineapple Yellow
Light Pink
Light Pink Bubblegum
Light Pink Tone
Light Pink-Violet
Light Pinkish Purple
Light Pinkish Violet
Light Pinkish Violet Purple
Light Prussian Blue
Light Purple
Light Purple Grey
Light Purple Pink
Light Purple Violet
Light Purple-Pink
Light Purplish Blue
Light Raspberry Red
Light Red
Light Red-Purple
Light Reddish Orange
Light Reddish Purple
Light Reddish Violet
Light Rose Pink
Light Rosewood Pink
Light Royal Purple Pink
Light Royal Violet
Light Sage Green
Light Sangria Purple
Light Scarlet Red
Light Sea Green
Light Shamrock Green
Light Sky Blue
Light Tawny Brown
Light Teal
Light Tiger Orange
Light Tortilla Brown
Light Umber Brown
Light Velvet Purple Violet
Light Violet
Light Violet Blue
Light Walnut Brown
Light Warm Brown
Light White
Light Wine Purple
Light Wood Brown
Light Yellow
Light Yellow Brown
Light Yellow Green
Light Yellowish Green
Light-Medium Pink
Light-Medium Violet
Lilac
Lilac Purple
Lime Green
Lipstic Red
Lively Green
Lively Yellowish Green
London Blue
Magenta
Magenta Pink
Magenta-Pink
Mahogany Red
Mauve
Mauve Violet
Maya Blue
Medium Blue
Medium Blue Green
Medium Bluish Green
Medium Brown
Medium Dark Blue
Medium Dark Green
Medium Dark Red
Medium Deep Green
Medium Deep Pink
Medium Deep Violet
Medium Emerald Green
Medium Gold
Medium Golden
Medium Golden Brown
Medium Grape Violet
Medium Gray
Medium Green
Medium Green Blue
Medium Green-Grey
Medium Greenish Blue
Medium Grey
Medium Greyish Brown
Medium Light Green
Medium Light Violet
Medium Magenta
Medium Magenta-Pink
Medium Navy Blue
Medium Orange
Medium Orange-Gold
Medium Peach
Medium Pink
Medium Pink Violet
Medium Pinkish Purple
Medium Pinkish Violet
Medium Purple
Medium Purple Grey
Medium Purple Magenta
Medium Purplish Violet
Medium Red
Medium Rose Pink
Medium Teal
Medium Violet
Medium Violet Pink
Medium Violet-Pink
Medium Yellow
Medium Yellow-Green
Medium Yellow-Grey
Medium-Dark Blue Green
Medium-Dark Brown
Medium-Dark Golden
Medium-Dark Gray
Medium-Dark Green
Medium-Dark Green Blue
Medium-Dark Grey
Medium-Dark Orange
Medium-Dark Pink
Medium-Dark Purple
Medium-Dark Purplish Violet
Medium-Dark Red
Medium-Dark Reddish Purple
Medium-Dark Sangria
Medium-Dark Violet
Medium-Dark Yellow
Medium-Deep Green
Medium-Light Blue Green
Medium-Light Brown
Medium-Light Gold
Medium-Light Golden
Medium-Light Green
Medium-Light Orange
Medium-Light Orange-Gold
Medium-Light Pink
Medium-Light Purple
Medium-Light Purplish Violet
Medium-Light Red
Medium-Light Violet
Medium-Light Yellow
Mellow Yellow
Merlot Red
Midnight Blue
Mint Green
Mocha Brown
Moss Green
Mossy Gray Green
Mossy Green
Multicolor
Multicolor Black
Multicolor Black and Gold
Multicolor Blue
Multicolor Blue Green
Multicolor Brown
Multicolor Green
Multicolor Orange
Multicolor Violet
Multicolor White
Mustard Yellow
Navy Blue
Neutral Brown
Neutral Yellow
Night Blue
Off White
Olive Green
Olympic Blue
Orange Brown
Orange Cream
Orange Pink
Orange Red
Orange White
Orange Yellow
Orange-Gold
Orange-Golden
Orangeish Brown
Orangish Gold
Orangish Pink
Orchid
Pale Blue
Pale Blue Green
Pale Blue-Green
Pale Brown
Pale Cream Yellow
Pale Crimson Red
Pale Dark Green
Pale Earth Green
Pale Earthy Green
Pale Forest Green
Pale Gold
Pale Green
Pale Greenish Blue
Pale Greenish White
Pale Lime Green
Pale Mint Green
Pale Moss Green
Pale Pear Green
Pale Pine Green
Pale Purple
Pale Purple Pink
Pale Reddish Orange
Pale Sea Foam
Pale Sea Foam Green
Pale Turquoise
Pale Yellow
Pale Yellow Green
Pale Yellowish Green
Pale-Greenish Grey
Pastel Blue
Peach Orange
Peach Rose
Peach Rose Pink
Peach-Golden
Peanut Brown
Pear Green
Pearl White
Pecan Brown
Pine Green
Pineapple Yellow
Pink
Pink Berry Purple
Pink Orange
Pink Tone
Pink Violet
Pinkish Grape
Pinkish Iris Violet
Pinkish Purple
Pinkish Red
Pinkish Violet
Pinkish Violet Purple
Pinkish White
Pistachio Green
Plum Purple
Purple Grey
Purple Pink
Purple Red
Purple Silver
Purple-Pink
Purple-Red
Purple-Red Tone
Purplish Blue
Purplish Cherry Red
Purplish Red
Purplish Violet
Purplish-pink White
Rapberry Red
Rapberry Red Purple
Raspberry Pink
Raspberry Red
Raspberry Red Purple
Raspberry Red Tone
Red
Reddish Brown
Reddish Gold
Reddish Golden Brown
Reddish Orange
Reddish Pink
Reddish Pink Tone
Reddish Purple
Reddish Violet
Rich Yellow
Rose Pink
Rose Pink Tone
Rose Red
Rosewood Pink
Royal Blue
Royal Purple
Royal Purple Pink
Royal Violet
Royal Yellow
Russet Brown
Rust Orange
Sage Green
Salmon Pink
Sangria
Sangria Purple
Sangria Red
Sangria Violet
Scarlet Red
Scarlet Red Tone
Schorl
Sea Foam Blue
Sea Foam Green
Seaweed Green
Shamrock Green
Silver
Silver Blue
Silver Gray
Silverish Blue
Sky Blue
Steel Grey
Swiss Blue
Tangerine
Teal
Teal Tone
Tiger Orange
Top Gold
Translucent White
True Blue
Turquoise
Tuscany Yellow
Twilight Blue
Umber Brown
Velvet Blue
Velvet Purple Violet
Very Dark Green
Very Deep Blue
Very Light Blue
Very Light Blue Green
Very Light Brown
Very Light Bubblegum Pink
Very Light Dijon Yellow
Very Light Golden
Very Light Golden-Brown
Very Light Golden-Yellow
Very Light Grape Purple
Very Light Green
Very Light Greenish White
Very Light Greenish Yellow
Very Light Grey
Very Light Honey Yellow
Very Light Lavender Pink
Very Light Lilac Purple
Very Light Orange
Very Light Pink
Very Light Pink Tone
Very Light Pinkish Purple
Very Light Pinkish Violet
Very Light Purple
Very Light Purple Pink
Very Light Reddish Violet
Very Light Rose Pink
Very Light Royal Pink
Very Light Royal Purple Pink
Very Light Sage Green
Very Light Sea Green
Very Light Tawny Brown
Very Light Violet
Very Light Wood Brown
Very Light Yellow
Very Light Yellow Green
Very Pale Yellow
Violet
Violet Blue
Violet Purple
Vivid Pink
Vivid Pink Violet
Vivid Violet
Vivid Yellow
Walnut Brown
Warm Apricot Orange
Warm Black
Warm Brown
Warm Earthy Green
Warm Forest Green
Warm Green
Warm Grey
Warm Light Brown
Warm Light Green
Warm Moss Green
Warm Off-White
Warm Orange
Warm Red
Warm White
Warm Wine Red
Warm Yellow
Watermelon Pink
White
White with Black
Wine Purple
Wine Red
Wood Brown
Yam Orange
Yellow
Yellow Beige
Yellow Brown
Yellow Green
Yellowish Brown
Yellowish Gold
Yellowish Golden
Yellowish Green
Yellowish Orange
Yellowish Silver
Baguette
Briolette
Cushion
Fancy
Flower Cut
Heart
Marquise
Octagon / Emerald Cut
Oval
Pear
Round
Sphere / Ball
Square
Trillion
Asscher Cut
Baguette / Scissor Cut
Baguette Cabochon
Baguette Checkerboard
Baguette Crystal Cluster
Baguette Facet
Baguette Rose-Cut
Baguette Step Cut
Baguette Sugarloaf Cabochon
Ball Facet
Baroque
Barrel
Barrel / Checkerboard
Barrel / Full-Round
Barrel / Scissor Cut
Barrel Cabochon
Barrel Rose Cut
Bear Carving with Hole
Bird Carving
Briolette
Briolette with Hole
Bullet Shape Checkerboard
Carved
Carved Bird
Carved Cameo
Carved Cushion
Carved Elephant
Carved Fancy
Carved Fish
Carved Fish with Hole
Carved Flower
Carved Frog
Carved Fruit
Carved Half Heart
Carved Heart
Carved Heart Cabochon
Carved Leaf
Carved Marquise
Carved Marquise Cabochon
Carved Octagon
Carved Oval
Carved Oval Cabochon
Carved Pear
Carved Pear Cabochon
Carved Rhomb
Carved Rose
Carved Rose with Half Drilled Hole
Carved Round
Carved Round Bar
Carved Round Cabochon
Carved Sheep
Carved Shell
Carved Square
Carved Teardrop
Carved Trillion
Carved Turtle
Cushion Buff-Top
Cushion Cabochon
Cushion Carved Medusa Cameo
Cushion Checkerboard
Cushion Checkerboard (double sided)
Cushion Concave Cut
Cushion Concave Fantasy Cut
Cushion Crystal Cluster
Cushion Mixed Cut
Cushion Rose-Cut
Cushion Shape Sugarloaf Cabochon
Cushion Sugarloaf Cabochon
Cushion-Cut
Diamond-Cut
Drilled Faceted Sphere
Drilled Sphere
Drilled Square Rondelle
Drilled Square Rondelle Slice
Fancy Bicone
Fancy Cabochon
Fancy Carved Cushion
Fancy Carved Oval
Fancy Carved Pear
Fancy Carved Round
Fancy Carved Trillion
Fancy Carving
Fancy Concave Cut
Fancy Crystal Cluster
Fancy Cut
Fancy Facet
Fancy Fantasy Carving
Fancy Slice
Fancy Square Checkerboard
Fancy-Cut
Fantasy Carved Flower
Fantasy Carved Flower Cut
Fantasy Carved Leaf
Flower Carving
Flower-Cut
Half Heart Cabochon
Half Heart Facet
Half Moon Cabochon
Half Moon Facet-Cut
Half Moon Faceted
Half-Drilled Briolette
Half-Drilled Heart Facet
Half-Drilled Sphere
Heart Buff-Top
Heart Cabochon
Heart Checkerboard
Heart Checkerboard (double sided)
Heart Concave Cut
Heart Facet
Heart Rose-Cut
Hexagon Cut
Marquise Cabochon
Marquise Checkerboard
Marquise Checkerboard (double sided)
Marquise Concave Cut
Marquise Facet
Marquise Mixed Cut
Marquise Slice
Marquise Sugarloaf Cabochon
Octagon / Scissor Cut
Octagon Buff-Top
Octagon Cabochon
Octagon Checkerboard
Octagon Concave Cut
Octagon Facet
Octagon Step Cut
Oval Bar Cut
Oval Buff-Top
Oval Cabochon
Oval Cabochon with Hole
Oval Carved Cameo
Oval Checkerboard
Oval Checkerboard (double sided)
Oval Concave Cut
Oval Crystal Cluster
Oval Diamond-Cut
Oval Facet
Oval Fancy Facet
Oval Fantasy Concave Cut
Oval Mixed Cut
Oval Portuguese-Cut
Oval Rose-Cut
Oval Slice
Pear Cabochon
Pear Checkerboard
Pear Checkerboard with Hole
Pear Concave Cut
Pear Concave Fantasy Cut
Pear Crystal Cluster
Pear Double-Sided Checkerboard
Pear Facet
Pear Shape Sugarloaf Cabochon
Pear Slice
Pencil
Pencil Cut
Princess-Cut
Rhomb Cabochon
Rhomb Checkerboard
Rhomb Checkerboard (Double-Sided)
Rhomb Facet
Rondelle
Round Buff-Top
Round Cabochon
Round Carved Cameo
Round Checkerboard
Round Checkerboard (double sided)
Round Concave Cut
Round Concave Fantasy Cut
Round Drilled Checkerboard (Double Sided)
Round Drilled Rondelle
Round Facet
Round Mixed-Cut
Round Petal Cut
Round Portuguese-Cut
Round Rose-Cut
Round Rose-Cut (double sided)
Round Slice
Shark Fin Cabochon
Shield Cabochon
Spherical
Square / Scissor Cut
Square Buff-Top
Square Cabochon
Square Checkerboard
Square Concave Cut
Square Facet
Square Mixed-Cut
Square Rose-Cut
Square Step-Cut
Square Sugarloaf Cabochon
Square with Hole
Star Facet
Tapered Baguette Cabochon
Teardrop Cabochon
Trapezoid
Trapezoid Cabochon
Triangle
Triangle Cabochon
Triangle Facet
Trillion Buff Top
Trillion Cabochon
Trillion Checkerboard
Trillion Concave Cut
Trillion Crystal Cluster
Trillion Facet
Trillion Rose-Cut
Trillion Shape Sugarloaf Cabochon
Undrilled Briolette Teardrop
Cutting Style and Extra Options
Asscher-Cut
Cabochon
Carved
Checkerboard
Concave
Diamond-Cut
Plain-Cut
Portuguese-Cut
Princess-Cut
Rose-Cut
Scissor-Cut
Slice
Drilled
Half-Drilled
IF only
VVS and better
VS and better
SI and better
I1 and better
Transparent and better
Translucent and better
Opaque and better
VVS only
VSS-VS only
VS only
VS-SI only
SI only
SI-I1 only
I1 only
Transparent only
Transparent/Translucent only
Translucent only
Opaque only
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Finland
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India
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Mexico
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Nepal
Nigeria
Peru
Russia
South Africa
South Sea
Sri Lanka
Taiwan
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Thailand
Turkey
United States
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Octagon / Emerald Cut Blue Topaz
51.9ct
24.9 x 17.7 mm
$ 467.28
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Octagon / Emerald Cut Blue Topaz
56.8ct
25.2 x 17.8 mm
$ 511.20
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Octagon / Emerald Cut Blue Topaz
53.9ct
25.9 x 18.5 mm
$ 484.92
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Octagon / Emerald Cut Yellow Rutile Quartz
34.6ct
25.4 x 18.1 mm
$ 92.33
Item in Stock
Octagon Shape 25x18 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Octagon shape / Emerald-Cut, faceted and cabochon gems available now in 25 x 18 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.
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