Coral

Coral is typically sold by weight in grams or by piece, especially for branches, beads and carvings, rather than strict per-carat pricing. Large, clean pieces of fine-color coral suitable for high-end carvings or uniform beads are significantly more valuable than small fragments.

Color is the dominant factor in value: deep, even ‘oxblood' red and saturated pinks command the highest prices, followed by fine angel-skin shades. Pale, uneven or heavily mottled color lowers value, and dyed coral is much less desirable than natural-color material.

Clarity is assessed by surface quality and internal uniformity. High-grade coral is dense, with minimal pits, cracks or wormholes, and shows consistent color and texture throughout. Porous or heavily cracked pieces are less durable and less valuable.

Coral is fashioned into beads, cabochons and intricate carvings. Symmetry, polish and craftsmanship are critical: well-matched bead strands, smoothly domed cabochons and finely detailed carvings significantly enhance value over rough or poorly finished pieces.

Historically, major sources of precious red and pink coral included the Mediterranean, Japan and the Pacific. Overfishing and environmental concerns have led to stricter regulations and, in some cases, moratoria, reducing legal supply for fine coral and shifting some production to regulated deep-water operations.

Demand is concentrated in regions with long-standing cultural preferences for coral, such as parts of Europe, the Middle East and East Asia, as well as among collectors of antique and vintage jewelry. Ethical and environmental concerns also shape demand, with some buyers preferring alternatives or certified sustainable sources.

As restrictions on harvesting have tightened, fine natural coral has trended upward in price, particularly for high-end pieces with documented age and origin. At the same time, consumer awareness of conservation issues has grown, leading to more scrutiny around provenance and increased use of substitutes.