The present invention relates to a new and distinct variety of nectarine tree, Prunus persica, broadly characterized by a large size, vigorous, hardy, self-fertile, productive and regular bearing tree. The variety blooms during the mid season and requires about 525 chilling hours. The fruit matures under the ecological conditions described in mid to late June, with first picking on Jun. 13, 2015. The fruit is large in size, globose to slightly oblong in shape, clingstone in type, firm in texture, yellow in flesh color, full red in skin color, sweet, and sub-acidic in flavor.

A new and distinct variety of nectarine tree (Prunus persica var. nucipersica). The following features of the tree and its fruit are characterized with the tree budded on Nemaguard Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features: 1. Tree with a vigorous, upright growth habit. 2. Regular and productive bearer of large size fruit. 3. Fruit with an attractive red skin color. 4. Fruit having very good flavor and eating quality with a good balance between acid and sugar. 5. Clingstone fruit with firm, white flesh.

A new and distinct variety of nectarine tree (Prunus persica nucipersica), which is denominated varietally as Prima Diamond 7, and which produces large fruits that mature approximately the last week of June in the San Joaquin Valley of Central California