Vintage 10k multi gemstone tennis bracelet

approximately 7.5 inches long. Citrine, garnet, amethyst, topaz and peridot stones. 2.9mm by 4.9mm stones. Thus bracelet needs repaired as shown in photos. Very easy repair but don't want to try the repair myself as this beautiful vintage piece may be damaged by using too much heat!! Very dirty and needs cleaning and polished as well