Related Clues:

• Can one figure how that could be worth one diamond?
• Letter from Greek graduate - it has four sides
• Take off your homburg and have a lozenge
• Greek character putting medical qualification on form
• Greek character, a doctor, produces the shape
• Figure Spanish chap cut by a third after ending in gutter
• Equilateral parallelogram
• A parallelogram (var.)
• An equilateral parallelogram
• Parallelogram with four equal sides
• Parallelogram with four equal sides (var.)
• Lozenge resulting from letter to a Greek doctor
• Diamond rings - his old man's business, originally
• Lozenge resulting from foreigner's letter to doctor
• Crystal with six faces having parallel edges