No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Blue Diamond' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
2
| 'Canary Diamond' | Medium | Yellow | - | - | Unknown | - | - | Vincun, Rachel | --NR-- |
3
| 'Diamond Dust' | Small | Dark-Green | | | Unknown | | | Serafin, Viktoria | --NR-- |
4
| 'Diamond Jubilee' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Savory, Dennis | .2006 |
5
| 'Diamond Lake' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | June into July | Walters Gardens | --NR-- |
6
| 'Diamond Necklace' | Small | Med-Green | Medial | White | Sport | Pure-White | July into August | Zilis, Mark | .2010 |
7
| 'Diamond Tiara' | Small | Med-Green | Marginal | Creamy White | Sport | Deep-Purple | June into July | Zilis, Mark | .1985 |
8
| 'Diamonds are Forever' | Small | Med-Green | Marginal | White | TC Sport | Deep-Purple | July | Sal, Eric & Walters Gardens | .2012 |
9
| 'Emeralds and Diamonds' (Malloy) | Small | Med-Green | Streaked | White | Hybrid | - | - | Malloy, Alex | --NR-- |
10
| 'Emeralds and Diamonds' (Stygall) | Large | Blue/Green | Streaked | Yellow | Unknown | Near-White | June into July | Stygall, Patsy | --NR-- |
11
| 'Hanjas Diamond' | Large | Blue/Green | Streaked | White | Unknown | - | - | Hansen, Jan Hurup | --NR-- |
12
| IRISH DIAMONDS | - | - | - | - | TRADEMARK | - | - | TRADEMARK | --NR-- |
13
| 'Jack of Diamonds' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Near-White | July | Savory, Robert | .1985 |
14
| 'John Diamond' | Medium | Dark-Green | - | - | Unknown | - | June into August | Zolock, Steve & Zolock, Sarah | .2009 |
15
| 'PeeDee Diamond Dove' | Medium | Dark-Green | - | - | Unknown | - | - | Syre-Herz, Ursula | --NR-- |
16
| 'Valley's Crazy Diamonds' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | August to September | Linneman, Jeroen | .2015 |
17
| 'White Diamond' | - | Med-Green | Streaked | White | Unknown | - | - | Unknown | --NR-- |
|