Beautiful, Rare and Responsibly Sourced

Here at Thomas Markle Jewelers, we understand that buying an engagement ring can be one of the most challenging, but also exciting, times of your life. We are proud to bring De Beers Forevermark diamonds to greater Houston and The Woodlands, as some of the most beautiful and rare diamonds in the world. Let us help you find a piece as unique as your love.

Forevermark Avaanti™ Collection

Introducing the Forevermark Avaanti™ Collection. De Beers Forevermark’s newest collection features a strong, distinctive design with a De Beers Forevermark diamond at its core. The collection includes diamond rings, earrings, pendants and bracelets in yellow, rose and white gold. Less than 1% of the world’s natural diamonds can become a De Beers Forevermark diamond and receive the De Beers Forevermark inscription.
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The Forevermark Tribute™ Collection

When you need something special for someone special, look no further than the Forevermark Tribute™ Collection. Select a unique diamond jewelry piece for a wide selection of styles that can be worn alone or layered as part of a collection to add to through the years.
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Beyond the 4Cs

Every diamond has its own unique story to tell. In De Beers Forevermark’s constant pursuit of absolute beauty, every De Beers Forevermark diamond undergoes a journey of rigorous selection, looking beyond the 4Cs, in search of only those diamonds that meet the strictest standards for quality and beauty.

A Diamond Is Forever

A diamond brand from The De Beers Group, which has a history of diamond expertise spanning more than 130 years, De Beers Forevermark is committed to the unwavering and passionate pursuit of the world’s most beautiful diamonds, brought to you with integrity.

Responsibly Sourced

De Beers Forevermark diamonds are responsibly sourced, ensuring that each diamond can be given or worn with pride. The diamonds come from mines that not only comply with strict political, financial, social and environmental requirements, but also benefit the communities in which they are operating. It is a commitment we make to you, to ourselves, and to every part of the world our brand touches.

Our Unique Inscription

Less than 1% of the world’s diamond are worthy of the De Beers Forevermark inscription – the symbol of the De Beers Forevermark promise of beauty, rarity and responsible sourcing. The inscription, which includes the De Beers Forevermark icon and a unique identification number, can only be seen under 50 times magnification. The inscription allows each De beers Forevermark diamond to be registered in your name, confirming it as uniquely yours.