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FAQs

SI1 means 'Slightly Included 1,' with inclusions easily found under magnification and occasionally visible to the naked eye in certain positions. In a 2 carat old Euro, the vintage faceting helps conceal many SI1 inclusions through its broader, less revealing light pattern. Individual stone inspection is recommended at this size.
Many SI1 old Euros at 2 carats are eye-clean, thanks to the cut's vintage faceting that naturally diffuses rather than spotlights inclusions. The success rate is higher than in modern brilliant or step cuts. Look for stones where inclusions are positioned near the edges or under the crown facets rather than directly below the table.
SI1 offers meaningful savings at 2 carats while maintaining a strong chance of eye-clean appearance in an old European cut. The vintage facet style is naturally more forgiving than modern cuts, making SI1 a particularly smart budget play for this shape. Just be selective and verify each stone individually.
When looking for 2 carat natural diamonds, look between 1.9 to 2.2 carats so that you give yourself the best selection which will help find the best value. Searching within this range across different SI1 clarity options gives you the widest selection to compare cut quality, clarity grades, and overall value. A well-chosen 2 carat SI1 old euro natural diamond at the lower end of this range can look identical to one at the exact 2 carat mark while costing less.