During the time of year when 25 percent of American proposals occur, we're excited to announce a modern-day scientific breakthrough: the unveiling of the Largest Grown-in-the-USA Laboratory Diamond at 6.28 carats!

Humanitarian Ambassador and Muhammad Ali’s daughter, Khaliah, along with our fearless leader and CEO, Anna-Mieke Anderson, launched the 6.28 carat laboratory-grown diamond at the MiaDonna Portland, Oregon showroom along with a global initiative to give back to orphans and communities negatively impacted by the blood diamond industry. For the last ten years, MiaDonna has donated five percent from every purchase to The Greener Diamond to fund educational, mentoring and agricultural programs in diamond-mining communities with the goal of helping blood diamond victims, and more recently ebola orphans, live a life free of poverty.

The 6.28ct, J-Color, VS2 clarity, cushion-cut diamond is a marvel of U.S. technology and is truly eco-friendly and conflict-free. An identically graded earth-mined diamond can cost upwards of $100,000, according to RapNet, the global diamond network. Remarkably enough, this MiaDonna lab-grown diamond is priced at just $52,000! A comparable earth-mined diamond And while it is not currently for sale, we hope to have it online for purchase in the coming months. Please contact us directly for more information.

At the unveiling, Anna-Mieke explained how MiaDonna's scientists can now replicate the earth’s natural process of crystallizing carbon into a sizable carat diamond within 6 to 12 weeks. The “World’s Greatest’s” daughter emphasized, “Technology now makes mining for diamonds unnecessary and is another reason to turn up the volume on global outcry over the continued blood diamond trade.”

In lieu of this groundbreaking news, we feel it’s only right to share some of our favorite MiaDonna lab-grown diamond engagement rings… just in time for engagement season!

Hope Accented Engagement Ring | $4,247

Diamond Specifications: Round cut, 1.07ct, K color, SI1 clarity

Traditional Solitaire Engagement Ring | $4,910

Diamond Specifications: Oval cut, 1.0ct, G color, SI1 clarity

Heroine Accented Engagement Ring | $6,276

Diamond Specifications: Pear cut, 1.20ct, I color, VS1 clarity

Grace Vintage Engagement Ring | $2,151

Diamond Specifications: Round cut, 0.72ct, K color, SI1 clarity

Frost Engagement Ring | $1,903

Diamond Specifications: Princess cut, 0.50ct, H color, SI2 clarity