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Colour stones jewels
Ruby belongs to the corundum family, of which it is the red variety (the other variety being sapphire).
Its red hue comes from the chromium oxide that the ruby contains.
Ruby has a hardness slightly lower than that of diamond: 9 against 10 for the diamond on the Mohs scale.
There are several shades of red, the one called "pigeon blood" is the most expensive.
Ruby is rarer than diamond. With equal weight, for rubies over 3 carats it is not rare that the price of a "pigeon blood" surpasses that of a diamond of high quality and the same weight.
Sapphire is another precious stone from the corundum family. Sapphire has a hue ranging from light blue to dark blue. Its color is due to iron and titanium often unevenly distributed on the stone.
Sapphire, without any adjective, is always blue but there are also green sapphires, yellow sapphires, ... and very rarely colorless sapphires said "leuco-sapphire" or orange sapphires also called "padparadscha".
The hardness of the sapphire is not homogeneous and varies according to the directions which makes its size particularly delicate.
Sapphire is a gemstone much more common than ruby, iron being much more prevalent on earth than chromium oxide.
Sapphire is the least expensive stone of 4 precious stones especially for weights less than 15 carats.
Green in color, this gemstone has uneven transparency except for very high quality stones. The emerald's vitreous luster takes its color from chromium and vanadium.
Emerald owes its name to the Greek "smaragdos" (green stone) which later became emerald. It is by far the most popular stone of the Beryl family. The transparency of the stone is uneven and it is manifested in the stones of first quality, its brightness is glassy. Chromium and vanadium are the coloring substances of this prcious stone. In intense green color, it is very sought after. Light green color is synonymous with low quality.
The emerald is relatively fragile and it must be avoided shocks and put in contact with chemicals that can alter it.
The offer of the Private Diamond Club Antwerp
You have seen it ; these 3 precious stones have very different characteristics of the diamond. But, like the diamond, it contains impurities. Their colors vary enormously. Their price varies greatly depending on the rarity of certain colors, the quality of the stone and of its size.
Unlike diamonds, there is no gradation scale (eight diamond quality criteria). In order not to buy a jewel emerald, sapphire or ruby of poor quality it is essential to contact a professional able to guarantee the quality of the stone and its treatment.
The Private Diamond Club of Antwerp works with the best experts-jewelers of Antwerp and assures you of the quality of the colored stone jewel that you buy and this at the best price given that you are live from our Antwerp Workshops
A beautiful diamond and siam sapphire triple band ring, set in 18K gold. The oval sapphire is set with the 68 diamonds total 0.98ct. The sapphire is mounted with a 4 double claw setting. The gold setting white, yellow or pink, weighs 6.9g.
A beautiful diamond and siam sapphire double band ring, set in 18K gold. The oval sapphire is 1.08ct and the 68 diamonds totaling 0.56ct. The sapphire is mounted with a 4 double claw setting. The gold setting white, yellow or pink, weighs 5.9g.
Black diamonds are trendy!
This diamond ring is a 2.69 ct black round cut diamond is set on a square setting paved with 0.62 ct white G / VS diamonds.
The originality of the split shank setting with three branchs paved with white diamonds did not fail to seduce you.
The 18 karat white gold setting weighs 4.0 g.
Dare to color to adorn your finger ! An intense London Blue Topaz adorns the center of this diamond and colored stone ring.
The 18-kt gold mount is also equipped with a round-cut topaz of 0.52 carat and 32 brilliants D / E / F color and LC / VVS clarity for a total of 0.55 ct.
These Antwerp diamonds are spread over the topaz and the gold ring. Give yourself the quality of Antwerp with this diamond / topaz ring on an 18 kt gold setting.
A sapphire of more than 4 carats of intense blue takes place at the top of this magnificent diamond ring of Antwerp.
The oval sapphire is set with double claws on an 18 kt gold ring (white, yellow, pink or red gold). The ring receives 171 brilliants of very upper quality, for a total weight of 0.77 carat.