inches to mm Conversion

Fine Jewelry

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   Conversion Table: mm to inches    1 inch = 25.4 mm





inches (approximate)   
Yellow Sapphire RingsPink Sapphire Diamond RingsSapphire Engagement Rings

Peridot and Diamond RingAmethyst RingDiamond Mountings

Gemstone Butterfly Necklaces

1 mm1/32"

blue sapphire and diamond ringRuby Engagement Rings

Tanzanite and Diamond Rings

Unheated Untreated Natural Blue Sapphire

Sapphire Jewelry 

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Specializing in...

Gemstone Engagement Rings

Sapphire Jewelry



2 mmjust over 1/16"
3 mmjust over 3/32"
4 mmjust over 1/8"
5 mm3/16"
6 mmjust under 1/4"
7 mmjust over 1/4"
8 mm5/16"
9 mmjust under 3/8"
10 mmjust over 3/8"
11 mm7/16"
12 mmjust under 1/2"
13 mmjust over 1/2"
14 mmjust under 9/16"
15 mmjust under 5/8"
16 mm5/8"
17 mmjust under 11/16"
18 mmjust under 3/4"
19 mm3/4"
20 mmjust under 13/16"
21 mmjust over 13/16"
22 mmjust under 7/8"
23 mmjust under 15/16"
24 mm15/16"
25 mm1"


Please browse our gemstone jewelry.

We have something for everybody!

Pink Sapphire and Diamond Rings Blue Zircon Ring Emerald diamond rings Amethyst Ring


Pear Cut Blue Sapphire and Diamond RingBlue Sapphire EarringsPink Sapphire Pendants  Yellow Sapphire Pendant  rainbow sapphire cross pendant Rainbow Sapphire Bracelet



See also these sapphire beauties.


  Sapphire Rings Blue Sapphire Rings Pink Sapphire Rings Pink Sapphire Diamond Rings Yellow Sapphire Rings Unheated Natural Yellow Sapphire and Diamond Ring


Gemstone Engagement Rings


  Precious Gemstones

Ceylon Sapphire RingPink Sapphire Diamond Engagement RingYellow Sapphire Engagement RingRuby Engagement Rings
Blue Sapphire Engagement RingsEmerald Engagement RingsPink Sapphire Engagement RingsYellow & Orange Sapphire Engagement RingsRuby Engagement Rings located in Bonsall, CA

grams to ounces  / mm to inches