G.F. Williams & Co.

Coloured Gemstone Specialists.
50 years in Hatton Garden and counting.

[G.F. Williams & Co. @GFWilliamsCo]

Do you have a moment for something close to our hearts? ♥️

The SJC is an amazing charity supporting those within our industry providing financial support to those who need it.

They span the whole industry from jewellers, silversmiths, dealers and othe… https://t.co/swBuBk9LNM

[G.F. Williams & Co. @GFWilliamsCo]

We will be closed today for the funeral of Geoffrey Williams, founder of G.F Williams & Co.

13.01.41 ~ 01.03.26 https://t.co/NXR6cqK9Xz

[G.F. Williams & Co. @GFWilliamsCo]

Briolette ✨ From the French briller, meaning ‘to shine.’ A cut designed to sparkle with life from every angle.

One of the most famous briolettes is a diamond: La Briolette de l’Inde which is said to be one of the oldest recorded Dimonds in history. Car… https://t.co/sSpd8zpPsg

[G.F. Williams & Co. @GFWilliamsCo]

A belated Happy New Year to you all!

We are back in business and exited for the year ahead.

We thought we would start of our January posting with the Garnet. ❤️

📖It’s one of those stones that definitely gives Gemmologists a run for their money when… https://t.co/rOPaTNvYv6

[G.F. Williams & Co. @GFWilliamsCo]

What properties are associated with Pink Tourmalines?

And this time we don’t mean gemmology ones.

What does it say when you gift a Pink Tourmaline?

Pink Tourmalines are associated with:
💕Love
❤️‍🩹Emotional healing
💞Compassion.

What better gem… https://t.co/M6PbW6RW96

[G.F. Williams & Co. @GFWilliamsCo]

These pink tourmalines, sculpted into delicate leaf shapes, echo the warm autumnal colors and falling foliage around us.

💎 Tourmaline’s Color
Tourmaline belongs to a complex mineral group with a wide chemical range — but its vivid pink hues are caused … https://t.co/iOu77WZ3a3

[G.F. Williams & Co. @GFWilliamsCo]

These don’t tend to get a lot of love

But why?

Personally we have a soft spot for them.

Carved gemstones traditionally are fashioned this way to make the best out of the gemstone rough that is usually included.

These tourmaline leaf carvings have a… https://t.co/KKpyFPgY60

[G.F. Williams & Co. @GFWilliamsCo]

Can you guess what this is?

We’ll give you some clues-

1. It only has a hardness of of 4 on the MOHs scale.
2. It can come in a varied colours
3. It displays distinct luminescent

Any guesses? https://t.co/CS6YldeVkW

[G.F. Williams & Co. @GFWilliamsCo]

Teal Sapphires are all the trend but did you know they weren’t always so popular?

Teal sapphires to many were seen as cast offs in the trade, many preferring the deep blues and evenly saturated tones and colours.

The yellows and greens that so often co… https://t.co/xClquEmgkc

[G.F. Williams & Co. @GFWilliamsCo]

Show Stopper Garnet.

This chunky one weights in at 16.31cts and would make a wonderful cocktail ring or pendant.
#garnet #cocktailring https://t.co/o11WrQFuAo

[G.F. Williams & Co. @GFWilliamsCo]

How do you like your Rubies?

We like them bright, well saturated and deep in colour.

What’s your preference? Deep red or Bright with a pinkish tone? #rubies #red https://t.co/TGx1KOrBIb

[G.F. Williams & Co. @GFWilliamsCo]

Ever wonder where Morganite got its name?

Let me tell you-

The Gemmologist George Kunz found the gem in 1910 in Madagascar.

Kunz had a philanthropist friend called J.P. Morgan who contributed to arts science and donated a significant gemstone collec… https://t.co/eejgPLyACE

[G.F. Williams & Co. @GFWilliamsCo]

Fluorite. What makes these stones so special?

Thought to bring mental clarity and focus this stone this stone has been called the Genius Stone.

But for us it’s not the spiritual association that has us in awe but Fluorites mineral properties. These ge… https://t.co/zT2j8ucEiQ

[G.F. Williams & Co. @GFWilliamsCo]

Did you miss our September Update? https://t.co/0odll8KFlo

[G.F. Williams & Co. @GFWilliamsCo]

A wonderful 3.58ct Sapphire which is less saturated in colour for those who prefer a lighter hue.

SKU: 3088062
Heated with report

#sapphire #lightblue #gemmology https://t.co/sobzcwPVPZ

[G.F. Williams & Co. @GFWilliamsCo]

Topaz as a name was historically applied to any golden or yellow gemstone, often confusing it with gems like Citrine.

One theory behind Topaz name is it thought to come from the Greek name Topazos meaning to seek as the islands in the Red Sea where Top… https://t.co/2qiLUrKPKc

[G.F. Williams & Co. @GFWilliamsCo]

Rubies are the ‘sister’ of Sapphires. Both coming from the same family called Corundum.

Rubies contain Chromium giving them their red colour. Chromium is also what causes corundum crystals to to be more stunted.

This means that Rubies in large sizes… https://t.co/x3TwA5o7Mf

[G.F. Williams & Co. @GFWilliamsCo]

We are in the mist of Sapphire season. Which happens to be our speciality.

But Sapphires don’t just come in blue. They come in a variety of colours. And within blue the shades can vary dramatically.

What’s your preference? What kind of Sapphire would… https://t.co/DP3mrO507Q

[G.F. Williams & Co. @GFWilliamsCo]

The Important Things: September https://t.co/2PrPcjdutv

[G.F. Williams & Co. @GFWilliamsCo]

Blue Zircon pair stealing the spotlight.

Zircon is visually most appealing when it is cut in this round brilliant shape. Much like a diamond this shape shows off its brilliance and fire.

As Zircon is on the brittle side it is best set into pendants or… https://t.co/7ndMr0ar8a