| SEEDPEARL | An oyster's tiny nacreous ocean treasure, demure lustrous droplet or miniature jewel of the sea - at less than a quarter of a grain in weight, it is often harvested to be sewn into lace, strung into a |
| PEARL | The jewel of the sea |
| SUNKENSHIP | Source of ocean treasure, perhaps |
| SCUBADIVER | Ocean treasure hunter |
| PEARLDIVER | Ocean treasure hunter |
| UNNURTURED | Description of a pearl that has formed naturally in an oyster's shell without the intervention of a pearl farmer (10) |
| MOTHEROFPEARL | Iridescent layer on an oyster's shell (6-2-5) |
| GREENHORN | I have no experience of the colour of the sea at the cape (9) |
| TOPAZ | Semi-precious stone, the largest example of which was called 'Marbella' after the colour of the sea at that Costa del Sol Spanish town (5) |
| CORONA | Aureola of the sun or moon caused by diffraction by cloud droplets or ice crystals; the trumpet of a daffodil or other narcissus; or, a circular chandelier in a church (6) |
| SURF | The swell of the sea at the shore (4) |
| PEARLY | From "leg-of-mutton-shaped water mussels", word for the lustrous globules made by oysters or clams; or, necklaces of said nacreous jewels (6) |
| SPRAY | Cloud of droplets; or, a brooch in the form of a bouquet of flowers (5) |
| MODELLING | Hobby or pastime of making dioramas or miniature aeroplanes, boats, buildings or railways, for example; or, a branch of sculpture (9) |
| CUP | Whether on a sideboard or a saucer or containing an acorn, boiled egg, caramel, claret, copra, culinary ingredient, golf ball, tea or victor's champagne, it is a small or miniature mug- or "tub"-like |
| EVENTIDE | Flush with movement of the sea at twilight (8) |
| ROLLS | Lists of names; throws of dice; or, miniature loaves of bread known in French as petits pains (5) |
| EPITOME | From the Greek for "to cut short", a summary or miniature form; or, a perfect example of something (7) |
| TEAGUE | Lewis, director of the films The Jewel of the Nile and Cujo (6) |
| URSINIA | (with the common name 'jewel of the veldt'), grown for their yellow or orange or white-rayed flowers (7) |
