Value and carat
The ultimate worth of your ruby might be decided by many elements, together with color, carat, minimize, readability, therapy and origin. The suitable mixture of those will guarantee your gem’s long-term worth stays regular and maybe even will increase over time.

Giant rubies are extraordinarily uncommon and in restricted provide. Because of this, carat weight will make the value of your gem enhance exponentially. The worth of a 10-carat ruby is often 100 instances that of a one-carat stone.

Color depth
Color is essentially the most important issue in the case of valuing a ruby. Not like diamonds, there isn’t a internationally accepted color grading system for this gemstone. 77 Diamonds have adopted the ICL’s seven ranges of color depth, which vary from Darkish to Medium Intense.

Rubies which can be a shade above Medium Intense are known as pink sapphires, as each these gems are a part of the identical mineral selection, corundum.

Probably the most sought-after color in rubies is Vivid. Known as ‘pigeon blood’ within the commerce, this color appears to have an virtually fluorescent high quality, lending intense hearth to your jewelry.Our rubies are categorized in 4 completely different shades: pure, purplish, orangey and pinkish purple. The extreme saturation of pure purple rubies make them considerably dearer. In case your ruby has sturdy orange, purple and pink overtones, it will have an effect on long-term worth.

Readability

Not like diamonds, inclusions in rubies are widespread, well-accepted and sometimes serve to point the origin of the stone. There are three ranges of readability:

• “Eye Clear” (EC1 – EC2) signifies that inclusions are invisible to the unaided eye.
• “Seen inclusions” (VI1 – VI2) signifies that inclusions are solely barely seen to the unaided eye.
• “Included” (I1 – I2) signifies that inclusions are apparent to the unaided eye.

Lower and form

Often, rubies are each good and step minimize. An excellent minimize ensures a good show of sunshine reflections all through the gem, whereas a step minimize lends intense hearth to the piece. Some rubies may be cabochon minimize, giving them a easy and rounded end. Be mindful, the standard of the minimize will decide the general worth of your gemstone.

Alternatively, the form of your ruby won’t have a direct influence on worth, as that is largely a matter of non-public choice. The commonest shapes for rubies are spherical and oval, however you may additionally discover marquise or pear formed stones.

Therapy

Rubies are mostly enhanced via warmth therapy. By making use of warmth to the gem, consultants have discovered that each color and readability are drastically intensified. The primary examples of heat-treated rubies date way back to the Roman Empire. This can be a broadly accepted observe within the jewelry commerce and most strategies don’t have any dangerous impact on the stone’s longevity.

At 77 diamonds, we offer two types of ruby therapy: heated (H) and heated with flux (Hf). These remedies are secure, everlasting and don’t require any particular care. We don’t promote rubies handled with Beryllium or lead-glass, as these strategies considerably weaken the gem.

Solely the best and rarest rubies are unearthed in an ideal state with none want for additional therapy, making them considerably extra helpful.

Origin

Though some rubies could look related, their costs will differ because of origin. The most costly rubies come from Myanmar (also referred to as Burma), the place rubies have been mined for hundreds of years. The second best origin is taken into account to be Mozambique and Thailand, adopted carefully by Tanzania and Madagascar. Lastly, rubies from areas resembling Vietnam are thought-about to be of decrease worth.