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Find your Perfect Diamond

Search over 500,000 certified natural and lab-grown diamonds at your fingertips. To ensure you can confidently purchase the finest gemstone, we have refined the filter options to showcase high-quality, certified stones only. This means each diamond meets Fairfax & Roberts’ exceptional standards, guaranteeing quality and brilliance.

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Natural Diamonds
Lab Grown Diamonds
info icon Diamonds are available in a range of different shapes. Simply select your preferred shapes to find your perfect diamond.
Round
Pear
Princess
Marquise
Oval
Radiant
Emerald
Heart
Cushion
Asscher
info icon The carat refers to the weight of the cut stone, rather than its size. A diamond’s carat is measured on a point system where 100 points equal one carat. A higher carat weight doesn't always indicate a visually larger diamond. Sometimes, a diamond can appear bigger yet weigh less. When choosing the diamond’s carat weight, it is important to consider the other three C’s, as the diamond’s total value is dependent on all four factors combined.
TO
TO
info icon A diamond’s colour grade is determined by the absence of colour. Naturally, white diamonds can exhibit a pale-yellow or brown hue, with a completely white diamond being classified as colourless. The less colour a white diamond has, the higher the value. The scale used to represent a diamonds colour ranges from D (colourless) to Z (noticeable colour). We recommend purchasing white diamonds within a D-G colour range.
D
Colourless
E
F
G
Faint
info icon Diamond clarity refers to the degree of naturally occurring internal and external characteristics of a diamond. The characteristics inside the diamond are called ‘inclusions’ and those on the surface are called ‘blemishes’. When cutting diamonds, professionals try to ensure the inclusions are not visible, but rather deep within the diamond so they are harder to see and only visible under a microscope. As most diamonds feature inclusions and/or blemishes, the higher the clarity, the rarer and more valuable the diamond. The scale used to represent a diamonds clarity ranges from Flawless to Included. Flawless (FL), Internally Flawless (IF), Very Very Slightly Included (VVS1 & VVS2), Very Slightly Included (VS1 & VS2), Slightly Included (SI1 & SI2), Included (I1,I2, & I3). We recommend purchasing diamonds within a FL-SI1 clarity range.
FL
IF
VVS1
VVS2
VS1
VS2
SI1
info icon A diamond’s cut grade evaluates the diamond’s proportions, symmetry, and polish with the highest-quality cuts maximising brilliance, light dispersion, and scintillation. Diamond cut is the most influential factor in determining a diamond’s overall beauty and appearance. We recommend purchasing a diamond graded Excellent or Very Good.
Excellent
Very Good
info icon Symmetry refers to how precisely the diamond's facets balance, align, and intersect. We recommend purchasing a diamond graded Excellent or Very Good.
Excellent
Very Good
info icon Polish refers to the quality and condition of the finish on the diamond’s facets and facet edges. We recommend purchasing a diamond graded Excellent or Very Good.
Excellent
Very Good
info icon Fluorescence refers to the intensity and colour emitted from a diamond when it is exposed to ultraviolet (UV) light. Approximately 25-35% of diamonds have some degree of fluorescence. Fluorescence is described on a scale from None to Very Strong. We recommend purchasing a diamond described as None or Faint.
None
Faint
Medium
Strong
info icon The depth of diamond is measured in millimetres from the bottom tip (Culet) to the top flat facet (Table). The depth percentage indicates the diamond’s depth in relation to its width.
TO
info icon The table of a diamond is the flat facet at the very top of the stone. The table percentage indicates the size of the table facet in relation to the average diameter of the stone (Girdle). In Fancy shaped diamonds, the table percentage indicates the size of the table facet in relation to the widest part of the stone.
TO
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