The Guru Diam Blog
Expert articles on lab-grown diamonds, wholesale sourcing strategies, and the latest trends shaping the jewelry industry.
Round Brilliant Diamonds Wholesale NYC
A round brilliant is the standard 57–58 facet diamond cut — a circular outline faceted specifically to maximize light return, producing the highest fire and brilliance of any diamond shape. Guru...
Princess Cut Lab-Grown Diamonds Wholesale Guide
A princess cut is a square (or slightly rectangular) brilliant-faceted diamond with sharp, uncropped corners — the second-most-requested engagement ring shape after round brilliant, prized for its...
Emerald Cut Diamonds Wholesale NYC
An emerald cut is a rectangular step-cut diamond with cropped corners, a large open table, and long parallel facets instead of brilliant-cut wedges — producing broad, mirror-like flashes of light...
Asscher Cut Lab-Grown Diamonds Wholesale
An Asscher cut is a square step-cut diamond with cropped corners and a deep pavilion — essentially a square emerald cut, faceted in concentric layers that produce a distinctive windmill-shaped...
Pear Shape Diamonds Wholesale NYC
A pear shape diamond is a teardrop-outline brilliant cut — one rounded end like a round brilliant, tapering to a single point like a marquise — faceted for fire rather than the broad flat planes...
Oval Cut Diamonds Wholesale NYC
An oval cut diamond is an elongated brilliant-cut diamond — essentially a round brilliant stretched along one axis — with no points or corners, full brilliant faceting for round-level fire, and a...
Heart Shape Diamonds Wholesale
A heart shape diamond is a modified brilliant cut — two symmetrical lobes meeting at a defined cleft at the top, narrowing through the wings to a single point at the bottom — faceted for fire and...
Radiant Cut Diamonds Wholesale NYC
A radiant cut diamond is a rectangular or square outline with trimmed corners and a full brilliant facet pattern — combining an emerald cut's clean silhouette with a round brilliant's fire. Guru...