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DIAMONDS & QUALITY GUIDE
Prime Quality We Use
Prime quality is a lucrative choice in diamonds because of its economical price range. Also it’s very difficult to spot any imperfections in them. Prime quality diamonds look better than those usually sold on the high street. They represent good value for money.
The clarity quality of prime quality diamonds ranges from I1 to I3. “I” is short for “inclusions”. Any imperfections in the diamond can only be noticed if you look very closely at the stone (within 6 inches). With smaller diamonds these imperfections become even harder to notice.
The colour quality of prime quality diamonds ranges from H to I. This means that a premium diamond is a white diamond with no colour tint that can be easily noticed by the naked eye. Only when compared side by side with a better quality diamond are the differences noticeable
H/Si Quality
H/Si quality diamonds are one of our usual recommendations for engagement rings. With bright white diamonds that have no visible inclusions, you cannot go wrong. H/Si quality diamond can be said to represent superb value.
The colour quality is H, meaning that this is a white diamond with no colour tint easily noticeable to the naked eye. Only when compared side by side with a better quality diamond are the differences noticeable.
The clarity quality is Si, meaning “slight inclusions”. On this quality diamond, and certainly under 0.50 carat, imperfections are not noticeable to the unaided eye. Only once under a jeweller’s high-powered magnifying glass can these inclusions be detected. You may see this category expressed as SI1 or SI2, with SI1 being slightly cleaner than S2.
For cut, polish and symmetry, we use a minimum of Good/Very Good in all H/Si diamonds over 0.50 carat.
G/Si Quality
G/Si quality diamonds are an excellent choice for engagement rings. This is a bright white diamond that has no visible inclusions.
The colour quality is G, meaning this is a bright white diamond. Expert knowledge is needed to identify any colour tint. In other words, these diamonds can essentially be considered near colourless.
The clarity quality is Si, meaning “slight inclusions”. On this quality diamond, and certainly at under 0.50 carat, imperfections are not noticeable to the unaided eye. Only once under a jeweller’s high-powered magnifying glass can these inclusions be detected. You might see this category available as Si1 and Si2, with Si1 being slightly cleaner than Si2.
For cut, polish and symmetry, we use a minimum of Good/Very Good in all G/Si diamonds over 0.50 carat.
