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Certified Gemstones
Certified Gemstones are a great way to build confidence with buyers. Gem Rock Auction aims to have the most number of certified gemstones on the web.
Ancient Predictions For 2012
Many Ancient civilizations have their own predictions about our times.Mayan 2012 calendar is world famous but many other civilizations also have predictions.
Fossils Of The World
In theory, almost anything that was once alive could become a fossil even a scrap of the jelly like tissue from the soft body of a sea creature.
Compare Operating Cost Of An Online Gemstone Shop To A Retail Outlet
From closing down the retail shop to successfully selling online, Mygems a gemstone business explains the reason why they chose to sell online.
Valentine's Day Ideas, Say it with Gemstones
Looking for the perfect Valentine’s Day gift? There is no better gift idea to say I love you than a precious natural gemstone.
Australian Sapphire Prices Are Set To Boom
Australian Sapphire prices are set to boom with the announcement of Richland Resources pulling their first Sapphire out of the Capricron Sapphire mine. Together with two other factors Aussie Sapphires are about to become extremely popular.
Sunrise Ruby Sets A New World Record Sale Price
The Sunrise Ruby sets a new world record price for a Ruby at the Geneva Sotheby's Auction. It breaks the record for the total price as well as price per ct.
Shanghai Share Market Crashes But Gemstones Are Booming
The Shanghai Share Market has crashed but at Gem Rock Auctions we always see the upside. Click to read about what has happened to the gemstone industry during the last share market crashes.
Hope Spinel Breaks World Record at Auction in London
The Hope Spinel has set a new world record for the highest price ever received for a Spinel. Click to find out how much it sold for.
Take A Look At The Best Gemstone Sales Of 2015
2015 was a massive year at Gem Rock Auctions. Check out some of the biggest and best gemstone sold online throughout the year.
Morganite is set to shine as Pantone release the color of the year
2016 will be the year of the rose-tinged Morganite. Pantone has released two colors this year and we will show you what gemstones will make the cut.
The Most Expensive Gemstones In The World
There have been some incredible gemstones sold over the years to astute collectors. We will look at the most expensive stones ever sold.
Amethyst Geode 1.04 tonnes At Our Head Quarters
Our headquarters now has this beautiful massive 1.04 tonne Amethyst geode proudly on display on the Gold Coast, Australia
Gemstone Sheriff Program Program
The Gemstone Sheriff Program is a world first program that allows customers to request a review on any item listed on Gem Rock Auctions.
Pink Star Diamond - Is it the Most Expensive Gemstone Ever Sold?
The Pink Star, a stunning 59.6-carat pink diamond, is scheduled for auction in Hong Kong on April 4 (April 3 in the US). This unique gemstone is expected to sell for more than $60 million, eclipsing the current most expensive gemstone record hol
Spoil Your Mom - Mother’s Day Gift That Last a Lifetime
With Mother’s Day on Sunday May 14, now is the perfect time to find this year’s gift. Gem Rock Auctions offers a range of gorgeous jewelry including rings, pendants, earrings, and bracelets.
Emerald Paternity Tests & Diamond Blockchain Technology
Was your gemstone ethically sourced? You’ll soon be able to know for sure! New gemstone testing and marking techniques can tell you exactly where your diamond or emerald came from.
List Of Gemstones Found In The USA
We often think upon Africa as the world’s main source of quality gem stones but did you know that USA has large and unique deposits of gemstones?
Gemstone Trends Worldwide 2017
Gem Rock Auctions is specialist site for verified industry gemstone sellers. We have compile this report based on the last 12 months of 50,000 gemstones sold
Moissanite vs Diamonds: What Are The Differences?
Moissanite is a synthetic alternative to diamond engagement stones. Learn how moissanite and diamond compare in price, longevity, appearance, and more!
Top 10 Gemstones of All Time
Here are our top ten gemstones that we think ever collector should own. Black Opal, Grandiderite and Musgravite all feature. How many do you own?
Victoria's Secret Fantasy Bra Throughout The Years
Did you know that there are bras that come with a starting price of $15,000,000? Check out the last 22 years of Fantasy Bras from Victoria's Secret.
Sell Gemstones Online with Gem Rock Auctions
Are you looking for a place to sell gemstones online? Gem Rock Auctions is a fantastic platform that allows all types of people to sell their precious gemstones online direct to the public. Will you join us?
Pinky Ring - The Power and the History
Pinky rings are types of rings that are primarily worn on the fifth finger, which is also referred to as a pinky finger. Pinky finger originally derived its name from a Dutch word “pink” which means a little finger.
Why Now Is A Good Time To Buy Tanzanite
How corruption, government interference, smuggling and tax avoidance impact the Tanzanite industry.
Gemstone Trends - What Gemstones Are Popular Right Now
A monthly breakdown of the best gemstone trends and sales on Gem Rock Auctions. A must read for all industry buyers and sellers for the best choice of investment gemstones.
Pink Legacy Diamond Sells For Over $50 Million
A new world record price was made on 13 November 2018, when the Pink Legacy Diamond sold at Christie’s auction house in Geneva.
The Hope Diamond - Value, History and Mystery
For many centuries, the Hope Diamond has remained as one of the most famous and largest colored Diamonds in the world. Learn more about this amazing gem
When Will Gemstones Overtake Diamond Sales?
Gemstone mining is expected to grow in the next years to come so it is a good time to analyse what is going on.
How To Get Your Diamond Certified
A diamond certificate gives you valuable insight into the precious stone in your possession, but what exactly does that entail?
What is A Gem? All Your Gemstone Questions Answered
What is A Gem? All Your Gemstone Questions Answered
What is Gemstone Birefringence?
Birefringence relates to the directions light is split into when it enters a gemstone, and whether or not light is refracted once, or multiple times.
Which Diamond Cut Sparkles the Most?
Not all diamonds are created equal. So, what makes certain diamonds sparkle more than others? In this article, we’re shining the light on a crucial factor of diamond sparkle.
Loose Diamonds vs. Mounted Diamonds For Engagement Rings
Before you get down on one knee, let’s talk about something that is all too often overlooked: loose diamonds vs. mounted diamonds.
How To Choose the Right Jewelry Settings for Your Gems
Wondering how to choose the right jewelry setting for your gemstones? Learn about the most popular gem settings and how to choose the best one!
Emerald History: 7 World-Famous Emeralds and Their Stories
Emeralds have a vibrant history spanning royalty, shipwrecks and war. Here are the 8 most famous emeralds in emerald history.