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Tag Archives: diamond grading

  • STUNNING CHRISTMAS GIFTS FROM My Diamonds

    Yes, Christmas is nearly upon us once again.  2012 has gone so quickly and so much has happened in the world of diamonds.

    My Diamonds is a diamond retailer, one of Australia's favourites and a rising star.  This is because of the stunning collections of diamond engagement rings, diamond wedding bands, and diamond jewellery gifts they offer.

    There are only fifteen days to go, but a call to My Diamonds will ensure your loved one sparkles in 2013.  Below are some suggestions to 'wow' her and capture her heart.

    Lily ~ GIA Complete 18k Engagement Ring 1.13 carats

    Exquisite diamond engagement ring complete with a centre premium quality GIA certified 1.00ct pear cut diamond. Band consists of 10 round brilliant cut diamonds set onto the shoulders of the ring. 18k white gold (or 18k yelllow gold)
    Centre diamond: 1.00ct (GIA Certified)
    Number of Diamonds: 11
    Side Diamonds: 0.13 carats (G colour, VS clarity)
    Total diamond weight: 1.13 carats 

    Isadora - GIA 1.00ct Diamond Engagement Ring 18k - 1.63ct

    This fabulous example of design symmetry will say 'I adore her'. Twenty four diamonds set onto a fine white gold band that wraps the centre diamond.  Ring is complete with a premium GIA certified 1.00ct Round brilliant cut diamond18k white gold setting and band (or yellow gold).

    Centre diamond: 1.00ct Round (GIA Certified)

    Number of Diamonds: 25
    Side Diamonds: 0.63 carats (G colour, VS clarity)
    Total diamond weight: 1.63 carats 

    Lauren - GIA 18k Complete Engagement Ring 1.35 carats

    Stunning 18k white gold engagement ring complete with a premium quality GIA certified 1.00ct emerald cut centre diamond.  The setting consisits of 42 diamonds pave set on the shoulders that taper into the setting and diamond highlights on side of the claws that are holding the centre diamond.

    Centre diamond: 1.00ct (GIA Certified)

    Number of Diamonds: 43

    Side Diamonds: 0.35 carats (G colour, VS clarity)

    Total diamond weight: 1.35 carats 

    For information about any diamond ring in the My Diamonds collection please contact us on 1300 66 55 20 where one of our professional diamond consultants will be happy to help you.

  • Most Expensive Diamonds ~ No.3 ~ The Cullinan Diamond

    This is the Cullinan I Diamond at $400,000,000, and No 3 in the My Diamonds most expensive diamonds of the world.  Again, this superb diamond is an exquisite gem discovered at the Premier Diamond mine in South Africa, and is the largest rough stone ever found.  When found the uncut stone was a staggering 3,106.75 carats (621.35 grams)

    Many know the diamond as the Great Star of Africa and is 530.4 carats (106.1 grams).

    The Cullinan I Diamond is now mounted in the head of The Sceptre with the Cross.

    The large rough diamond was cut into nine smaller pieces, the Cullinan I being the larger part.  The Cullinan II, a smaller section of the rough stone is the fourth largest diamond in the world.  Known as The Little Star of Africa it weighs 63.5 grams -317.4 carats.

    Both of these stunning gems are mounted in the Crown Jewels of the British Royal Family.

  • The CARAT WEIGHT of your Diamond

    Our recent posts have covered the 4Cs - the grading standard that diamond grading laboratories such as GIA and HRD use when examining and grading diamonds.

    As a reminder - when purchasing a diamond from My Diamonds you will receive a diamond grading certificate such as the one shown below:~

    THE CARAT WEIGHT OF YOUR DIAMOND
    The certificate covers the 4Cs of diamond grading as we have explained, but will also give you unique information about your diamond.

    We have talked about COLOUR, CUT and CLARITY.  This post is about the last of the 4Cs - CARAT WEIGHT.

    CARAT WEIGHT ~ a carat is the unit of measurement specifically used to determine and describe the weight of a diamond or other precious stone.  The word 'carat' originates from the carob seed, a seed with a uniformity of weight that diamond traders in the past used to use as a counterbalance when weighing gems.

    A single carat is the equivalent of 0.2 grams, and divided into 100 points.  A diamond grading report will measure the weight of a diamond to the nearest 100th of a carat e.g. a 1 carat diamond has 100 points where as a quarter carat stone has 25 points.  In pre-set jewellery diamond weight is divided into fractions and will be graded with their decimal equivalent.  Below is a carat weight grading chart:~

    Many people think that the weight of the diamond is the 'C' that determines value.  This is not so.  If a diamond is of very high quality i.e. the colour, clarity and finish is exemplary then it will be worth more per carat weight.  All of these factors must be taken in to consideration, and an experienced diamond retailer such as My Diamonds, one of Australia's foremost diamond retailers, will guide you to your perfect diamond.

  • The 4Cs - The CUT of Your Diamond

    We began the 4Cs in our last post, looking at the grading of colour within a diamond.  This post is another of the 4Cs ~ the Cut, possibly the most overlooked of the 4Cs.

    The diamond cut refers to the angles and proportions of the rough stone, when it's placed into the hands of an expert diamond cutter.  He will take the rough stone and examine it from all angles, determining the cut that will suit the natural stone - looking for the most fire and scintillation.  The diamond cut is the only one of the 4Cs not naturally present when the mineral is hewn from diamond mines or recovered from alluvial deposits.

    An experienced diamond cutter such as the artisan master craftsman at My Diamonds will enhance the stone ~ looking at how natural light reflects and sparkles in the natural form.  The cutter will then cut the stone to the shape he has chosen, polishing the usual 58 facets until they gleam.  These tiny facets are the table, crown, pavilion, girdle and the culet, - the pointed end of the diamond that sits in the appropriate mount.
    For a purchaser of a diamond, these terms will not be familiar to you. You will judge your diamond on the fire emitting from the stone - the brilliance as you turn it this way and that.  The only time you will consider the cut of the diamond is when you receive your GIA or HRD grading report from My Diamonds.  Because My Diamonds diamonds are sourced from reliable diamond merchants and are of an extremely high quality, each diamond, whether loose or in a         pre-designed diamond engagement ring will be accompanied by a diamond grading report.  It is on this report you will have the true value and quality of your diamond.

    The absolute beauty and stunning scintillation of your diamond will be on her hand, where it will be a reminder of everlasting love.

  • The 4Cs - The COLOUR of Your Diamond

    In past posts we have talked about the 4Cs of diamond grading and where the grading values are on a Grading Certificate.  For my Diamonds, Australia on of Australia's foremost diamond retailers this is usually carried out by GIA or HRD.  One of the four main characteristics of a diamond is colour - an important consideration when purchasing your diamond.

    At My Diamonds we try to make the distinctions easier to understand before you purchase, and explain why certain colours of diamonds will command higher prices.

    Loose diamonds must be graded before they are mounted or put in a setting.  This is because surrounding colours can permeate the true colour of the stone.  For example a yellow gold setting will make a diamond look less yellow.  A white gold or platinum setting will emphasise colour.

    • G~H~I~J  Nearly colourless
    • K~L~M Faintly tinted, usually yellow
    • N~O~P~Q~R  Lightly tinted, usually yellow.  Tint can be seen with the naked eye
    • S~T~U~V~W~X~Y~Z  Tinted, usually yellow, may progress to brownish.  Tint visible to the naked eye.
    • These grades apply to diamonds that are colourless, or those that are yellow through yellowish brown, as in the above diagram.  They do not apply to fancy coloured diamonds.  Fancy coloured diamonds  have separate colour grading standards.
    • When referring to colour, a grading report will grade a diamond's lack of colour or whiteness.
    • D is the highest colour grade with Z being the lowest

     


    My Diamonds will always ensure you know your diamond before purchase.  Their professional diamond specialists are always on hand to provide information and answers to queries.  My Diamonds will guide you to the diamond of your dreams, whether in a superb pre-designed ring, or an exquisite diamond in a diamond engagement ring of your own design.

  • Diamond Colour Grading at My Diamonds

    The coloured diamond, or fancy diamonds as they're referred to are quite rare.  Most diamonds are yellowish brown when in their natural state, which is caused by the presence of nitrogen molecules trapped in the mineral when it was formed millions of years ago.

    The less nitrogen in a diamond,the whiter it is and the more expensive and coveted - colour grades go from D - completely colourless, to Z - a beige yellow colour.

    All of My Diamonds diamonds are graded by GIA, a diamond grading laboratory in the United States.  Discernible differences between D, E, and F grades are difficult to see with the naked eye, and when set in a mount, invisible.

    Cut grades often change the colour of a diamond.  My Diamonds use their own artisan master craftsmen when cutting, mounting and polishing a diamond.  Their designs are unique to My Diamonds, so it's unlikely you will see another like your favourite diamond engagement ring on any other online diamond retailer's site.

    As the colour grade gets nearer to Z, the yellow tinge is much more visible, and when compared to diamonds of a higher grade, the difference will be much more dramatic.

    For an overview of diamonds from My Diamonds, go to their website at www.mydiamonds.com.au and refer to their diamond buying guides.  Their diamond sourcing page is the best way to find a special diamond, particularly if you're designing your own ring.  Here is an example of a grading report from GIA, the certificate you'll receive when you buy your own special diamond:~

    DIAMOND COLOUR GRADING AT MY DIAMONDS

  • The Exciting World of Loose Diamonds

    Most diamond retailers carry pre-designed rings, diamond engagement rings, diamond wedding bands and diamond jewellery in their collections.  One of the most exciting experiences is to choose your own centre stone for your diamond engagement ring - so you can truly say you chose your perfect diamond!

    At My Diamonds we have an extensive collection of loose diamonds to fulfil your dreams.  Choose from round, princess, emerald, cushion, pear, marquise, asscher, oval, radiant, heart and trilliant.  Each exquisite stone will have been graded by a diamond grading laboratory, usually GIA,  and will receive a diamond grading document:~

    This dossier will cover the 4Cs of diamond grading, a subject we will cover in more detail on this blog.  The 4Cs are part of the diamond education information included on the My Diamonds website.  It is imperative that any diamond purchaser familiarises themselves with the grading system so that the diamond you thought you purchased is the one you receive.  At My Diamonds our diamond grading is exemplary and we have total confidence in the high quality of our stones.

    Go to the My Diamonds website at https://www.mydiamonds.com.au/diamonds/index/search/ and explore our extensive collection of loose diamonds.  We're sure you will find a diamond to excite you.

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