The fire effect of moissanite rings and key points for selection

The fire effect of moissanite rings and key points for selection

First, analysis of the fire color effect of Moissanite

Fire is the core visual advantage of moissanite, and its causes and manifestations are as follows:

The principle of fire color

High refractive index (2.65-2.69) : The refractive index of moissanite is higher than that of natural diamond (2.42). When light refracts inside, the Angle is larger, creating a stronger reflective effect.

High dispersion value (0.104) : The dispersion value is 2.4 times that of diamond, capable of decomposing white light into a rainbow color spectrum, especially presenting a "seven-color neon" effect under strong light.

Birefringence property: Moissanite is a birefringent gemstone. When light passes through, it will produce a "double image" phenomenon, but it is difficult to detect with the naked eye. Instead, it enhances the layering of the fire.

Firework expression

Dynamic fire: Under natural light or artificial light, moissanite will display fire of different intensities as the Angle changes, and rainbow light spots can be seen jumping when it rotates.

Contrast effect: Compared with diamonds, moissanite has a more intense and "flamboyant" fire, and it can still maintain a distinct reflection even in low-light conditions.

Second, the core points for choosing a moissanite ring

1. Key to fire color optimization: 4C parameter selection

"Color

Recommended grade: D-F color (colorless and transparent) or G-H color (nearly colorless).

Pitfall avoidance tip: Avoid choosing moissanite of color I or lower, as these may have a distinct yellowish tint, which can affect the purity of the fire.

Clarity

Recommended grades: VS1-VS2 (Minor inclusions) or VVS (Very minor inclusions).

Pit-avoiding tip: Moissanite with a clarity lower than SI1 may have excessive inclusions, causing the fire to disperse and reducing the visual effect.

"Cut

Recommended cuts: 3EX (ideal cut) or EX/VG (Excellent/very good).

Key details:

The proportion of the crown Angle and the depth of the pavilion must be precise to ensure total light reflection.

Polishing and symmetry directly affect the sharpness of the fire.

Pitfall avoidance tip: Avoid choosing moissanite with a cut rating lower than "VG", as it may cause dim fire due to light leakage.

Carat weight

Recommended range: 1-3 carats (visual effect close to 2-6-carat diamonds).

Cost performance tip: The price of 1-carat moissanite is approximately one-tenth of that of diamonds of the same grade, but its fire effect is more prominent.

2. The material of the ring setting is in harmony with the fire

Material selection logic

Platinum /18K white gold: The cool-toned ring setting and moissanite fire color create a warm and cool contrast, highlighting the reflective effect.

18K gold/rose gold: The warm-toned ring setting can balance the cold light of moissanite and create a soft atmosphere.

Design details

Claw inlay style: Six-claw or four-claw inlay reduces metal obstruction and maximizes fire display.

The setting design: Small diamonds set around the main stone can enhance the overall fire, but it is necessary to avoid the main stone being concealed.

3. Consideration of fire durability

Wear resistance: The hardness of moissanite (9.25) is close to that of diamond. It is not easily worn out during daily use, but it is necessary to avoid violent collisions with hard objects.

Cleaning and maintenance

Regularly clean with a soft-bristled brush and mild soapy water to remove oil stains.

Ultrasonic cleaning requires caution. Some moissanite with complex cuts may become loose due to resonance.

4. Avoid the "false appearance" trap of fire

Coating treatment: Some low-quality moissanite is coated with an anti-reflection film on the surface. Initially, the fire color is falsely enhanced, but after several months, the film layer falls off, causing the fire color to sharply decrease.

Color optimization: High-temperature and high-pressure treatment may improve the color, but excessive treatment will reduce the dynamic performance of the fire.

Third, verification methods for firework effects

Strong light test

Turn the ring in the sunlight or under a spotlight and observe whether the flames jump as the Angle changes.

The fire color of high-quality moissanite should cover more than 70% of the surface of the main stone.

Low-light contrast

In a low-light indoor environment, the fire of moissanite should still be clearly visible, while low-quality gemstones may be completely dim.

Professional instruments

When observing the dispersion spectrum with a spectroscope, high-quality moissanite should present a complete rainbow band.