HPHT/CVD
Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
Menu
Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
The 4Cs, created by GIA, are considered the global language of diamond quality. 2. Carbon. Diamond is the only gem composed of one single element: carbon. 3. A billion years. Most diamonds formed more than a billion years ago, deep in the earth's mantle.
Mode of calculation for the purchase of a rough diamond (all the prices below are false): If someone would offer us a 5 carats rough diamond, for example, stone structure, VS2 and G color. The stone structure we will yield approximately 50 .
Mode of calculation for the purchase of a rough diamond (all the prices below are false): If someone would offer us a 5 carats rough diamond, for example, stone structure, VS2 and G color. The stone structure we will yield approximately 50 percent of the finished diamond: 5 carats (rough diamond) x 0.50 (50%) = 2.50 carats (polished diamond).
2019-1-17 · Following is an example of the potential profit possible in faceting a rough uncut diamond into a gemstone. If you bought this diamond for $29,500: "Diamond #50946 - 4.85 carat cuttable F-color octahedral crystal. High quality .
Color, clarity, cut and carat weight (size) are judged within a different context in colored gems than in diamonds. In addition to the 4Cs, factors including country of origin and whether or not the gem is enhanced are all essential to identifying .
2021-11-28 · As a matter of fact, the first authenticated diamond found in South Africa was the 10.73 yellow Eureka. By 1900, South Africa had produced the 130 carat Colenso, the 228.50 DeBeers,and the 205.07 Red Cross. In 1996 at Christie's, a 8.45 fancy vivid yellow sold for $684,500 or $81,000 per carat.
REFRACTIVE INDEX: 1.761–1.769. DISPERSION: 0.015–0.018. WHAT WE SUPPLY: Best quality Lab Created Rough in wide range of colors. SIZES AVAILABLE: Half boule size and full boule size. Boule Size – 70-90mm (l) x 20mm (w) x 10mm (t) The standard shipping charges are not applicable in this section. Please contact us for shipping quotes before ...
2021-11-8 · Your memorial diamond is a new diamond grown from carbon gleaned from the ashes and hair of your loved one. The diamond seed essential for diamond formation accounts only for 0.01% of your memorial diamond. 99.99% .
Colored Diamonds. Gemone Diamonds is a leading manufacturer of natural fancy colored diamonds. We have very rare color diamonds at the finest quality in the wide variety of colors. Such as yellow diamonds, pink diamonds and green diamonds in various Lots. .
Floral Uncut Diamond Sets & NecklacesProduct code:JPDEC-20-50 Gold weight:88.7 Grams Diamond weight:10.68 Carats Diamond Color:EF Diamond Cut:VVS Stone weight:210.32 Carats Stone Name:Emerald Emerald South Sea Pearls Gold purity:22KT Brand:Sri...
Commercial Rough: from + US $ 1,500 per carat. for the rough goods weight from 2.50 to 4.00 carats, fine and Commercial. Fine are better goods and priced about 50% higher than Commercial. Determining prices of rough diamonds starts by .
Commercial Rough: from + US $ 1,500 per carat. for the rough goods weight from 2.50 to 4.00 carats, fine and Commercial. Fine are better goods and priced about 50% higher than Commercial. Determining prices of rough diamonds starts by .
Commercial Rough: from + US $ 1,500 per carat. for the rough goods weight from 2.50 to 4.00 carats, fine and Commercial. Fine are better goods and priced about 50% higher than Commercial. Determining prices of rough diamonds starts by evaluation of rough .
Wide Diamond Band | 3.5 Carats. Stunning Brilliance. This unique piece features 3.56 carats of round and baguette cut diamonds, set in an 18 karat white gold design. The perfect band for a forever love. From the Florentino Collection by Catherine Ryder.
Colored Diamonds. Gemone Diamonds is a leading manufacturer of natural fancy colored diamonds. We have very rare color diamonds at the finest quality in the wide variety of colors. Such as yellow diamonds, pink diamonds and green .
The color intensity scale for the classic yellow diamond (included in the fancy colored diamond category) begins with grade "S" on the white diamond scale, where the yellow shade becomes noticeable and rarer, and the stronger the .
Moissanite. Lab-made moissanite is a diamond alternative that offers a very attractive price point with nearly the same beauty and durability as a diamond. While an expert could tell the difference between moissanite and diamond, your .