Oriya Diamonds Ltd is a fine diamond house at the heart of London's jewellery quarter — trading in exceptional certified stones and bespoke commissions of lasting brilliance.
Loose brilliant, fancy and coloured diamonds — each accompanied by independent GIA or equivalent certification.
From a single solitaire to a complete suite, we design and craft pieces around the stone and the story behind it.
Discreet sourcing for designers and the trade, with competitive pricing and access to rarely-seen stones.
The most popular cut — 57 facets engineered for maximum fire and sparkle.
A sharp, square brilliant — modern and dazzling with crisp corners.
An elegant step cut with long facets — understated, glassy clarity.
A square step cut with cropped corners — vintage Art-Deco character.
Brilliant facets in an elongated form — flattering and slenderising.
A dramatic pointed oval that maximises carat presence on the finger.
A teardrop blending round and marquise — graceful and distinctive.
Rounded corners and a soft, pillow-like silhouette — romantic warmth.
Cropped corners with full brilliant faceting — fiery and versatile.
The ultimate symbol of love — a brilliant cut shaped with skill and care.
The most important C. Cut governs how light enters and returns to the eye — proportions, symmetry and polish determine a diamond's fire, brilliance and sparkle far more than size alone.
Graded D (colourless) through to Z. The less colour a white diamond holds, the rarer and more valuable it is — though the difference between neighbouring grades is often invisible to the untrained eye.
Measures the tiny inclusions and surface marks within a stone, from Flawless (FL) to Included (I). Most inclusions are microscopic — we help you find the eye-clean balance of beauty and value.
The measure of a diamond's weight, not its size. One carat equals 0.20 grams. Larger stones are exponentially rarer — but a well-cut smaller diamond can outshine a larger, poorly-cut one.