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Home - Grade Sea Glass

Grade Sea Glass, Grade Beach Glass, Value Sea Glass


Have You Been Wondering How to Grade Sea or Beach Glass?

Here you will find an explanation of important features in real beach glass and a 5-grade quality scale, including jewelry grades and craft grades of glass.

Grade Sea Glass?

Grade Sea Glass
Yep! To establish the value of a piece of sea glass, you need to evaluate the grade (physical appearance) and the color rarity.   

Here we'll be talking about how to grade your beach glass.

To evaluate the color rarity of your pieces, click here.

The two main divisions are Jewelry and Craft Grade sea glass.These are broken down into a total of 5 categories:

1.  Jewelry

2.  Craft




    Jewelry Grades of Sea Glass

    Jewelry Grade A

    • Evenly and thoroughly frosted with very rounded corners. 
    • No chips, poorly-rounded corners, or visible defects.
    • Excellent for fine jewelry.
    Here are two views of the same numbered pieces from two different sides. Notice the features.
    View 1 - Jewelry Grade AJewelry grade sea glass View 2 - Jewelry Grade AJewelry Grade A Sea Glass
    1. Cobalt blue
    2. Brown
    3. Teal
    4. Turquoise
    5. Pale sea green (seafoam)
    6. Dark aqua
    7. Light cyan
    You will notice that pieces #2, #6, and #8 have some edges not quite as rounded.

    If they were a little sharper, they would fall into a Jewelry B grade.

    (For color ID see the Sea Glass Color Chart)

    Jewelry Grade B

    • Same qualities as A grade sea glass but
    • with a small chip or defect visible from one side only OR
    • more defined edges/corners.
    • Very good for jewelry and arts.   

    Jewelry Grade B
    Jewelry grade B sea glass

    You will notice here that #1 and #4 have obvious chips.

    However they are the only defects and are visible from one side only, and so qualify as Jewelry Grade B.

    Pieces #2, #3, and #5 don't have any visible chips.
      1. Aqua
      2. Green
      3. Brown
      4. Cobalt Blue
      5. Medium sea green
    However, the edges are a little too defined to be Jewelry Grade A.


    (For color ID see the Sea Glass Color Chart)

    Jewelry Other

    We haven't included a picture here, as the pieces do vary.  They may have
    • more than one of the defects of B grade, but
    • because of unique shape, color, or other qualities, it could make a nice jewelry piece.


    Craft Grade Sea Glass

    Craft Grade A Sea Glass

    Craft Grade A

    • Evenly and thoroughly frosted but 
    • with chips or defects visible from both sides or
    • distinct angular edges and
    • not more than 1 rough or cracked edge.
    Good for many art and craft projects.

    Craft Grade A Sea Glass

    Craft Grade B

    • Somewhat frosted.
    • May have chips, defects, more than 1 rough edge.
    • Good for mosaics and some craft projects.
      

    Pet Clothing
    Craft Grade Mixed Craft grade sea glass

    Craft Grade Mixed

    • Somewhat frosted.
    • May have chips, defects, more than 1 rough edge.
    • Good for mosaics and some craft projects.
    You can see that this mix of Craft Grade A and B sea glass is much less rounded and tumbled.
    1. Cobalt blue 
    2. Pale sea green
    3. Off white (clear) Craft A
    4. Light cyan
    5. Misty Rose
    6. Pale turquoise
    7. Green
    8. Dark olive
    Pieces #1 and #2 are Craft Grade B.

    Pieces #3 and #4 are Craft Grade A, being fairly well tumbled and smoothed but with distinct edges and some chips.

    Pieces #6, #7, and #8 are actually somewhat shiny. Along with piece #5, they barely meet the standards to be considered sea glass.

    However, the colors are not so common so might be kept in a collection until replaced with similar colors that are in better tumbled condition.

    (From Sea Glass Color Chart)

    Note: Grading sea glass is not an exact science as there is much individuality to each piece. The Grade Chart above contains the main points you'd look for when buying or selling (or deciding it's a keeper or throwing it back for more punishment). 

    I might mention that Lin makes beautiful wrapped jewelry and has sometimes used a Craft Grade A shard because of uniqueness, color, and able to mask the defects sufficiently!  She also loves white, a very common color, because it goes with everything...use your judgment, and, MOST OF ALL, ENJOY!!




    Next, take a look at the following pages:

    Collecting Sea Glass
    Finding Sea Glass
    Collecting Sea Glass
    Rare Sea Glass
    Collecting Sea Glass
    Sea Glass Color
    Sea Glass
    Color Spectrum Chart


    Sea Glass
    Fake Sea Glass Marbles?
    Sea Glass bulk buy sea glass
    Guide to Buying Sea Glass
    Sea Glass
    Natural or Man-Tumbled?
    Sea Glass
    Genuine Sea Glass?


    Go from Grade Sea Glass to Home Page



    December 2013 Sea glass photo contest winner
    Photo of the Month Winner
    March 2014
    "Sea Glass Candy"
    by Laura
    West Virginia, USA
    Submit Your Photo to Odyssey's April 2014 Sea Glass Photo Contest






    Hi David,

    I received your sea glass hearts and I LOVE them all.

    Thank you so much for sending the extra hearts.

    I was so touched by your thoughtfulness and I appreciate you sharing these special gifts from the sea! Hope to see more of your sea glass soon!

    Thanks again,


    Diane

    Hi David,

    Just wanted to tell you thank you for the monthly sea glass newsletter. I love it, and look forward to it.

    Thanks again to you and your wife.


    Judi

    Hi David,

    I just wanted to let you know I appreciate receiving my sea glass order so quickly.

    Love the flowers, wave crest & rare pastels and the little extra surprise....you made my day!!


    Diane

    I am so fascinated by sea glass - I can’t believe at 70 I found a new hobby.

    Thanks for the opportunity to search and read up on this!


    Sonja

    Your site made me so happy tonight! Why?

    Many happy memories swirled back into my mind when I saw your pictures. I spent my childhood on the beaches of Cape Cod and we spent many happy hours looking for sea glass.


    Candee

    It is a pleasure and refreshing to meet people in the sea glass community that are willing to share! I got some great tips from your site. It was wonderful not to spend my entire vacation looking for a beach. Thanks again!

    Maryanne K.W.

    Hi David and Lin.

    Love your sea glass web site. I enjoy your picture of the month and intend on winning at least once.

    I have been collecting and creating things from sea glass for over twenty years. I find my sea glass on the beautiful shores of Lake Erie in Cleveland Ohio.

    Thank you for sharing your treasures with me.” Yours truly,

    Cathy Lincks

    What an AWESOME site! I love reading about it, looking at all of your pictures, and planning my next vacation to the perfect beach.

    Keep up the great work!


    Paula

    I’m a new subscriber to your newsletter and I love it!

    Rena

    Hi David and Lin - I love your website! Thank you for sharing info...

    Teryl

    Hi David. Its Bill and Joan Laverick, Durham City, North East of England. We love reading your posts. Keep up the good work!

    Bill & Joan

    I soo look forward to reading your blogs.

    Jacqueline Giguere

    Just wanted to let you know (since you were so helpful) that I won a blue ribbon (1st place) in Gifford Middle School Science Fair in the category of Environmental Science with my topic - Effect of a Florida Tidal Inlet on Wrack Line Sea Glass Volume.

    Now, I will compete in the Regional Science Fair which will take place on Feb 2nd. My mom and dad and I had a lot of fun searching for sea glass.

    Thanks,


    Mary Hyde

    I am beginning to be a typical sea glass hunter - always looking for fun places to find glass!

    I think your site is great - very informative - thanks for the time and effort you put into it.


    Karen

    I am beginning to be a typical sea glass hunter - always looking for fun places to find glass!

    I think your site is great - very informative - thanks for the time and effort you put into it.


    Karen

    I love your ems.--am 77 and try to get"glassin" whenever anyone will take me to the beach!! :-))

    P. Paul

    Hi David

    Just wanted to tell you thank you for the monthly sea glass newsletter. I love it, and look for ward to it.

    Thanks again to you and your wife,

    Judi Weber

    Hi David and Lin!

    I SO enjoy you newsletter! Please forward it to my sister. I've got her hooked on the beauty of sea glass!

    Thanks in advance! Happy 'foraging'.


    Joan D

    Hi David and Lin,

    I have shared your website with my other sea glass fanatic friends over the last couple of years and they love it as much as I do.

    Yours is my favourite website of all time and the very best website I've seen for everything sea glass.

    I can lose myself for hours in your website. Dangerous place!



    Anne O, Toronto

    Thanks so much for the information.

    I visited Carbon Beach today.

    Very small and few people but a nice supply of glass just as you stated.

    Thanks!!



    Jan






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