The Evolütion of Simulated Diamonds Mined Diamond Properties for Comparison Formula = Carbon (C) | Refractive Index = 2.417 | Refractivity = Single From Glass to Trü-simulation Today Hardness = 10 | Density =3.52
1900 1955 1973 1700 1947 1970 SYNTHETIC WHITE STRONTIUM WHITE GARNET GLASS WHITE SPINEL YAG SAPPHIRE TITANATE (GGG)
-Refractive Index: ~1.6 -Refractive Index: 1.762 – 1.770 -Refractive Index: 1.727 -Refractive Index: 2.41 -Refractive Index: 1.83 -Refractive Index: 1.970 -Hardness: < 6 -Hardness: 8 – 9 -Hardness: 8 -Hardness: 5.5 -Hardness: 8.25 -Hardness: 6.5 -Density (G/cm3): 2.4 -Refraction: Single -Refraction: Single -Refraction: Single -Refraction: Single -Refraction: Single
Features: Features: Features: Features: Features: Features:
Glass gems (Rhinestones) Low RI and low dispersion Like White Sapphire, Low RI and The best Diamond simulant to Critical angle of YAG is 33 Gadolinium Gallium Garnet were molded and showed makes White Sapphire "lifeless" low dispersion makes White date, ST was hampered by an degrees. The color variance (GGG) did not fare well against mold line, bubbles and when cut. Spinel "lifeless" when cut. unfortunate yellow tinge and made it difficult to last as a YAG or CZ due to it’s lack of the glass gems can be gas bubbles. suitable diamond simulant. hardness & inconsitent color, easily identified by their often brownish. concave facets, mold marks and seams.
1976 2006 2008 2014 2017 1998 AMORPHOUS DIAMOND-LIKE IONIC DIAMOND CUBIC ZIRCONIA DLC INFUSION INFUSION (IDI) MOISSANITE DIAMOND COAT CARBON (DLC) (CZ) OVER CZ INTO HARDENED ON CZ OVER CZ CRYSTALS
-Refractive Index: 2.15 – 2.18 -Refractive Index: 2.654 -Refractive Index: 2.13 -Refractive Index: 2.22 -Refractive Index: 2.13 -Refractive Index: 2.36 -Hardness: 8 – 8.5 -Hardness: 9 – 9.5 -Hardness: 8.7 (Average) -Hardness: 8.6 (Average) -Hardness: 8.7 (Average) -Hardness: 8.9 (Average) -Refraction: Single -Formula: SiC -Refraction: Single -Refraction: Single -Refraction: Single -Refraction: Single -Refraction: Double Features: Features: Features: Features: Features: Features: Discovered in 1892, baddeleyite A great advancement, DLC over Very much diamond-like in initial Marketed as a “Skin” of diamond, -Amorphous diamond ionically as the natural form of zirconium Wide range of color (D to K) CZ creates a viable simulant. appearance. Unfortunately, the the DLC over CZ has failed permeated into body of oxide. Synthesized cubic and many ranges of qualities. DLC on CZ is however unstable ADC’s lack of hardness causes consumer tests in that it fails process-hardened crystal zirconium (CZ) is a hard and The Carbon / Silicon blend and can fade, or separate. constent cases of abrading, to last more than 1 year. -Durable for jewelry purposes refractive material. While highly often tests as Diamond with milkiness and poor longevity. Subsequent versions are sure -Mimics mined diamond dispersive, CZ’s lack of hardness thermal testers. to follow. -Non porous limits its gem usage.
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