Onyx Lab Sapphire Celtic Knots Rings in 14K Gold

Onyx is the birthstone for Leos and the anniversary gemstone for the 7th year of marriage. Black Onyx is the anniversary gemstone for the 10th year of marriage. Onyx is a variety of the microcrystalline quartz, called chalcedony. The name "chalcedony"" comes from Calcedon or Calchedon, an ancient port on the Sea of Marmara in Asia Minor. Ornamental materials were once mined in that area and it was an active center for trading various stones. Onyx were used widely in the past as bases and handles for gold items, as well as for stone inlay work. Onyx seals were very popular with the Romans, who carved the pattern of the seal in negative relief to give a raised point. They often used stones with several layers, each of a different color, which were then individually carved to produce a different pattern each year. They originally used the onyx name for a variety of marble having white and yellow veins. Onyx is the Greek word for ""claw"" or ""fingernail"" because these veins resemble the ... learn more

The sapphire is the birthstone for the month of September. The name sapphire is derived from the Latin word "saphirus" and the Greek word "sapheiros", both meaning blue. Some believe that the name sapphire is derived from its association with the planet Saturn. The name can be roughly be translated to mean "dear to the planet Saturn" in many different languages.... learn more

A Celtic knot, also referred to as the "mystic knot" or the endless knot, is also known as the "Triquetra." Celtic knots are an Irish symbol, and the most notorious artwork in Celtic history, first appearing around 450 AD. The knots can be seen in mosaics on Roman floors as well as in patterns in Islamic, Ethiopian, and Coptic art, as well as in Byzantine architecture, and architecture from all over Europe. There is not much information about the purpose of these Celtic knots, but because of the large repetition of their existence throughout history, we are able to infer some basic information about them.... learn more

Many different gemstones can be bought in today's market. There are sapphires, opals, rubies, emeralds and more. What you may not know, however, is that all of these gemstones may not be what they appear. Some gemstones on the market are not natural gemstones, and should be marked by the seller as either "lab-created" or "simulated". You may find that some of these so-called "fake" gemstones may be almost as expensive as their natural counterpoints! This may seem suspicious to you, but actually, it is an accepted practice in the jewelry trade, that is, if the "fake" is actually grown in a laboratory, which makes it quite real in fact.... learn more