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FAQs

SI1 means 'Slightly Included 1,' with inclusions visible under magnification and sometimes to the naked eye. At 3 carats, SI1 inclusions are more likely to be visible than at smaller sizes. The larger face-up area provides more surface where inclusions can appear. Selective shopping with individual stone verification is essential.
SI1 at 3 carats carries more risk than at 1-2 carats. The larger face-up area makes inclusions more prominent. In brilliant cuts, careful selection can still yield eye-clean results. In step cuts or transparent shapes, SI1 at 3 carats will likely show visible inclusions. Budget extra time for selective shopping.
SI1 makes sense for budget-focused buyers choosing brilliant-cut shapes who are willing to verify each stone. The savings at 3 carats are very significant. If you find an eye-clean SI1 at this size, the value is outstanding. Focus on stones with edge-positioned inclusions and brilliant-cut shapes for the best odds.
A 3 carat the benchmark shape, though some fancy shapes appear larger at equal carat weight. At SI1 clarity, inclusions noticeable under 10x magnification, sometimes visible to the naked eye depending on the cut. 3 carat natural diamonds are well above the average and an incredible look, without entering the ostentatious territory. When looking for 3 carat natural diamonds, look between 2.9 to 3.3 carats so that you give yourself the best selection which will help find the best value.