In the early 1990s, De Beers faced a significant challenge. The competition in the jewelry market had intensified dramatically, with brands like Allure and Midas emerging as serious contenders. Create an image depicting a boardroom scene with De Beers executives looking concerned and strategizing over market reports. The atmosphere is tense, with charts showing declining market share and competitors' success stories. The lighting should be mysterious and dramatic, creating a sense of urgency. Use professional and realistic details. --ar 16:9