| RHOMBIC | Shaped like a diamond or lozenge (7) |
| RHOMBUS | Diamond or lozenge in geometry (7) |
| RED | Like a diamond or a heart |
| SPARKLING | Like a diamond (or champagne?) (9) |
| SPARKLE | Word for glitter, an emission of fiery particles, scintillation, vivacity, the lustre of a diamond or the appearance of effervescence or fizz in champagne or pop (7) |
| RHOMB | From Greek for "bull-roarer", "magic wheel" or "spinning top", a quadrilateral also called a diamond or a kite; or, a lozenge-shaped thing (5) |
| FACETED | Like a diamond with a defect rectified (7) |
| FLAW | A gust or squall; a breach or crack; or, a defect/imperfection, such as one in a diamond or other gem (4) |
| SPARKLER | That which twinkles; a diamond or other scintillating gem; a glass of fizzy wine or champagne; a beer-tap nozzle; or, a hand-held firework that emits a shower of glittering particles (8) |
| ROSECUT | Like a diamond whose facets give it a floral look |
| WXYANDZ | Lyrics said to the tune of "like a diamond in the sky" in a different kids' song |
| SPARKLY | bright, like a diamond |
| INFIELD | Area of a sports ground such as a cricket oval or baseball diamond; or, formerly, arable land around or near a farmstead, kept under tillage (7) |
| STONE | The kernel of an apricot, cherry, peach, plum or other drupe fruit; a gem such as a diamond; or, a rock as a weight prior to its standardisation as an imperial unit of 14lbs (5) |
| IMITATION | An act of mimicry; a caricature; or, a copy or replica of something, such as a diamond or an original painting (9) |
| LOZENGE | A rhombus or diamond; or, a pastille/troche or heraldic charge in the shape of said geometric figure (7) |
| PERFECT | Word describing a paragon diamond or, formerly, a score of 10.0 for a routine in artistic gymnastics (7) |
| WATER | Wavy lustrous sheen on moire taffeta and some silk and satin; or, the quality of the brilliance or clarity of a diamond or other gemstone (5) |
| RECORD | LP, 45, 78 or other disc played by means of a diamond- or sapphire-tipped stylus; or, any unsurpassed best-ever performance/occurrence (6) |
| NEEDLES | Bodkins; diamond- or sapphire tipped styli for playing records; etching tools; pine tree leaves; or, pointers on compasses or dials (7) |
