Shares in Australian diamond miner and explorer Lucapa Diamond (ASX:LOM) soared as much as 9.1% to A$0.036, marking its biggest intraday percentage gain since October 5.

The company announced that seven Lulo diamonds totalling 535 carats have been sold for a hefty A$24.5 million ($15.5 million).

The company also revealed that the tender managed to attract an average price per carat of US$29,401 suggesting a robust demand and strong prices for large, high-quality diamonds.

Roughly 777,156 shares exchanged hands, compared to the average 30-day volume of 352,210 shares.

Despite this positive news, the stock remains down by 28.3% year-to-date.

Lucapa Diamond (ASX:LOM) is a diamond miner and explorer based in Australia with a focus on high-quality diamonds.