77 Diamonds Blog
19Feb/101

Online Buying vs. Brick and Mortar

As the popularity of online shopping is increasing, more and more consumers are trying the convenient services offered by many e-tailers.  But is virtual shopping really an easier, overall improvement on face-to-face buying in physical stores? There are several pros and cons for each shopping method to consider, particularly when you’re looking to purchase a diamond for a special occasion.

Advantages and Disadvantages: Pricing

An online store has very low overhead and since there is no need to pay for retail display space, storage costs are negligible or non-existent. Shipping of the product (e.g. diamonds) is often factory direct, which further reduces warehousing costs and eliminates the expense of multiple shipments to various distributors. All these factors create significant savings that can be passed on to the consumer, and which allow even more moderately sized diamond businesses to successfully compete with their much larger, brick and mortar high street competitors.

A brick and mortar store has unavoidable expenses to contend with. A physical location has to be lighted, heated or cooled which creates electrical and gas expenses. Wages, maintenance, and warehousing costs, plus "shrinkage", e.g. shoplifting, must be accounted for and that too costs the retailer. Stock must be transferred to the shopkeeper before it can be transferred to the consumer. These are all expenses normally avoided by the online stores.

10Feb/103

Top sentimental and economical gifts for Valentine’s Day

With Christmas only just over and the lingering recession putting pressure on our pockets, it can be trying to find that meaningful gift for your Valentine.  But love makes no compromises, and can still be marked sentimentally on a budget.

Aside from chocolates and flowers, the top gift given on Valentine’s Day is diamond jewellery, and the recent economic situation should not affect that.

We look at the most popular gifts which can be adapted to fit your budget and consider how even more poignant presents for those thinking of popping the question can be recession-friendly. For the budget-conscious Valentine gift giver the trick lies in versatility and enhancements when it comes to diamond jewellery.

29Jan/100

Choosing a Diamond: Size v.s Quality

The term ‘rock’ is commonly used to describe a diamond of a significant size, and so along with this our intrigue over big stones has grown. Its a popular word when describing celebrity engagement rings, as their status goes hand in hand with the size of the diamond they present for their loved one.  Its all very well drooling over the latest big diamond in the celebrity world, but in the real world, does size really matter?

Size and Quality

Most have a realistic budget that they work towards when they are looking to purchase a diamond, and so ‘rocks’ for the majority of people are not always practical. It is also important to remember, however, that the value of a diamond is based on the well-known ‘4 C’s’, which includes the specifics of the quality of the diamond and indeed the size as well. Furthermore, diamonds of a large carat size may not be practical for everybody during day-to-day wear, or they may just not suit your taste, and so in this option the quality is the main focus in your search.

15Jan/100

What are ideal diamond proportions?

Single example of Tolkowsky’s Theorems predicted proportions.

Single example of Tolkowsky’s Theorem's predicted proportions.

Proportions determine a diamond's brilliance (the amount of light reflected back to your eye), fire (the flashes of colour due to prismatic separation into the colours of the rainbow) and scintillation (sparkling movement of light as you move the diamond).   If ideal proportions are used in the creation of diamonds, their overall excellence can be optimised.

In 1919 Marcel Tolkowsky was responsible for discovering the basis of what is now regarded as the “Ideal Cut” diamond.  The Mathematician formed a Masters thesis on the proportions for round brilliant cut diamonds.

Supposedly, he conducted his research by asking Londoners to select the most appealing diamond from a small group. He combined these observations with those of his family’s Belgian diamond cutter business and then applied maths and physics to confirm why certain proportions produced the best looking diamonds.

The image shows a single example; in fact Tolkowsky’s theorem predicted a range of proportions with varying combinations of pavilion and crown angles that could enhance brilliance and fire.  A variation on this was the Eulitz cut, developed in 1972 and considered to be ‘mathematically perfect’.

22Dec/092

The Skinny on Diamond Fluorescence

Source: GIA website

Source: GIA website

Fluorescence can seem to be an intimidating subject when choosing a diamond, however armed with the correct knowledge it becomes clear that it's just another factor that needs to be taken into account and is ultimately owing to personal preference and budget.

What is Fluorescence?

In technical terms, fluorescence is the tiny particles in a diamond which most typically emit a blue light, when placed under UV lighting.

As graded by GIA, the fluorescence of a diamond is measured on a scale from None (no fluorescence), Faint, Medium, Strong and Very Strong. The strength of fluorescence in a diamond is not directly correlated to the colour or clarity of the diamond, meaning that the colour and clarity have no influence on the whether the diamond will have fluorescence or not. Diamonds of different colours and clarities can have exactly the same level of fluorescence.

18Dec/092

10 Steps to Choosing the Perfect Engagement Ring

Deciding on the perfect engagement ring to give to your intended is extremely challenging if you don’t know where to start.  Here is a 10 step simple guide to choosing the right ring for her.


Before you start looking at jewellers

  • 1) DECIDE ON A BUDGET AND KNOW HER SIZE
    Your personal budget must be considered when purchasing a ring and it is better to do so before you start shopping around. It is conventionally suggested that you spend at least two months worth of your salary on a diamond engagement ring.  Ring prices can begin modest, but can range quite high so you’ll need to weigh out your wallet size with her preferences.  You should also make sure that at this point you have a measurement for the ring size. Read here if you want tips on finding it without her knowing!
14Dec/091

Which Diamond Shape Will Suit Her?

So you're looking into finally getting your lady that diamond engagement ring she's been lusting after for ages, but there's so much choice that it's difficult to guess what she's going to like. Well, just like any other kind of fashion, the kind of diamond a woman prefers will most likely speak for her unique sense of style. In this article we'll explain to you the 10 main diamond shapes, a bit about their history, and what shape will suit her personality best!


Round Brilliant Diamonds for the Classic lady

Most commonly known as brilliant or ‘Round Brilliant cut’ (RBC), this is the classic image of a diamond and suits a classic girl. The modern brilliant cut was born around 60 years ago - it is quite simply the best and most popular cut for diamonds. This refined shape accounts for over 75 per cent of diamonds sold today.  Not all round diamonds were and are cut as Brilliants. To be a Brilliant a diamond requires 58-facets divided among its crown (top), girdle (middle-top) and pavilion (base). With a high standard cut, the consequence is a firing gem that shines with absolute brilliance.

It is easy to see why RBCs are by far the most popular diamond shape for engagement rings.  Appearing clean, modern and simple it remains elegant, versatile and timeless, perfect for the classic lady who appreciates simplicity and sparkle.

11Dec/092

How to Find Her Ring Size Without Her Knowing

Dilemma! Choosing the right engagement ring for that special lady is difficult, especially when you want to keep it a secret. Once you’ve decided on the perfect design, you’ll need to know the correct ring size to fit her finger.

The trick of slipping a piece of string round her finger while she’s asleep often fails, either because it’s inaccurate or because she wakes up! Consider the following tactics...

Does she wear other rings?

Watch her put on other rings to see how easily they go on and measure any rings which she has taken off by either:

10Dec/096

Cushion Brilliants vs. Cushion Modified Brilliants

If you've been looking into purchasing a cushion cut diamond you may have noticed that the choice isn't as simple as just asking for a cushion cut diamond. Not only is it available in either a square or rectangular shape, but there are several different variations on the cut alone. In this post we'll explain the new descriptions being used to categorize the cushion cut.

The Cushion Debate

Recently there has been a debate in the diamond world involving the cushion cut and all its variations. The discussion stems over whether the newer, “Cushion Modified Brilliants” are in fact more brilliant than traditional “Cushion Brilliants”.  Over a number of years different variations of the cushion shape have been cut and modified, with the intentions of either creating a unique style, preserving the most amount of diamond weight from the rough, or in an attempt to improve appearance. As more

7Dec/091

How Important Is the Girdle?

When looking for a diamond, there are many things to take into consideration; so much so that the choice and information can become overwhelming. The four C’s is a great guideline for the most basic and important factors of a diamond, however, there are many other technical terms used in the industry. This article will discuss the girdle and its importance in your diamond selection.

What is the girdle and how is it graded?

The girdle is the edge of the diamond. The purpose of the girdle is to protect the edge of the stone from chipping. Its measurements are presented as either a worded description or a percentage. Like many other of the features of a diamond, labels are used to rate the diamond ranging from Extremely Thin, Very Thin, Thin, Medium, Slightly Thick, Thick, Very Thick, Extremely Thick, Faceted, Smooth to Polished. The girdle can also be presented as a number, for example, 0.7% thin or 3.0% thick.