Coral Ring, French, 1920

Coral ring, French, ca. 1920
set with 1 red coral cabochon ca. 36.51 ct. in 750 white gold, ring size: 52/12, 9.6 g.
Size:19.81 x 20.05 x 13.32 mm Ø.

Hallmarks: French eagle, French 1920

Stock Number: 1461

GGTL Gemlab Laboratory verbal testing: 20-B-5433  Natural Red Coral, no treatment

SSEF Test Report 121272    DNA Testing, Corallium Japonicum, Ox blood Coral or Moro Coral, high quality and rare.

Corallium Japonicum

Moro” is a trade name used by the Italian jewellery industry to refer to Corallium japonicum, also known as Aka or Oxblood coral. This species of precious coral is characterized by its deep red to very dark red colour with a white interior, according to Gemstones.com and The Blue Books – CIBJO.
It is primarily harvested from the waters off Japan and Taiwan, particularly around Cape Ashizuri and Okinawa.
Moro coral is highly valued in jewellery, with large, vividly coloured pieces being especially sought after.

A detailed breakdown:

Species:

Corallium japonicum is the scientific name for this type of coral.

Common Names:

It is known as Aka (Japanese for red), Moro (Italian trade name), and Oxblood coral.

Colour:

The coral has a distinctive deep red to very dark red exterior, often described as oxblood red, with a white interior (sometimes called the “soul”).

Origin:

It is found in the deep waters (80 to 300 meters) off the coasts of Japan and Taiwan.

Value:

Large, intensely coloured pieces of Moro coral are rare and valuable, making them desirable for high-end jewellery.

CITES Permits:
Permits are required for the export of live corals (whole colonies and fragments), coral skeletons, live rock, and reef substrate.