Cognac Diamonds

Cognac Diamonds

Natural cognac diamonds are beautiful gemstones with intricate tetrahedral structures common in pure carbon crystals. Cognac diamonds are usually dark brown and feature deep orange hues on some variants.

These gems have the same qualities with colorless diamonds like a perfect 10 hardness rating, 2.4 reflective index, and ~3.5 g/cm3 density.
Cognac diamonds are dense enough to withstand heat and pressure for much longer than other inferior precious stones. They are also perfect as adornments on jewelry pieces since they poorly conduct electricity.

Other vital details about these gems are handy, especially if you want a high-quality cognac stone in your jewelry collection. That’s why essential details in this article provide everything you need to know about its history, uses, maintenance tips, and more.

History of Cognac Diamonds

Argyle Diamond Mine is one of the earliest locations on record where miners unearthed the first set of cognac diamonds. However, other mining locations in Angola, Congo, Brazil, USA, and Borneo have been discovered since the 1980s.

Uses of Cognac Diamonds

Cognac diamonds are excellent adornments on jewelry pieces of different carat weights and qualities.

You can use these gemstones to beautify your personal jewelry collection or include them in luxury glasswork on your property. Colored diamonds like cognac gems are useful as decorative pieces and not for much else.

Chemical Properties of Cognac Diamonds

• Hardness (Mohs’ Scale): 10
• Density: 3.5 – 3.53 g/cm3
• Refractive Index: 2.418 (@ 500 nm)
• Dispersion: Low (0.044)
• Heat Resistance: 690°C to 840°C
• Fracture: Irregular/Uneven
• Specific Gravity: 3.52 g/cm3

Maintenance Tips for Cognac Diamonds

Cognac diamonds are luxurious gems beautiful enough to feature on all jewelry pieces. You’ll need to preserve your cognac diamonds with proper maintenance to ensure they retain brilliance and glitter to stay attractive. Some top maintenance methods for cognac gemstones are:

Proper storage – Storing gems in airtight boxes with cushions should be enough to stop it from building up pockets of dirt or grime.

Steam cleaners – Portable steam cleaners can help blow away stubborn stains from gems with bursts of vapor; it works well when you wipe immediately after with a dry cloth or tissue paper.

Ultrasonic cleaners – Ultrasonic cleaners use invisible waves to remove stubborn stains or dirt from jewelry pieces; it’s not an ideal maintenance tool for inexperienced users.

Liquid soap and water cleaning – Mix liquid soap in warm water and rub off stains on your diamonds with cotton cloth; ideal for common stains on gemstones and high-quality jewelry pieces.

Commercial jewelry cleaning solution – Preferred jewelry cleaner for most gemstones; usually needs a rub-in with a soft cloth or toilet paper.

Talk to your jeweler if you don’t know the best maintenance method(s) for your cognac gemstones. Most natural color-enhanced diamonds could get damaged if ammonia or commercial cleaning solvents touches their surface.

Correct guidance from a professional jeweler should be all you need to ensure your cognac gemstones are in the best shape for much longer.