The task of redesign was to harmonize this custom letters and so express the seriousness and precision of a jeweler company. The characters have been cleaned, kerning and optical balance improved to make the name well working at small sizes. Diacritical sign got a tiny exception for better logo memorability - inverted contrast, reminiscent of diamond shape.
A special variant of the logo - increased stroke contrast, fine sharp details and reduced character spacing make it ideal for use in huge sizes. For comparison, above is a standard logo.