The ruling planet of this Gem/Stone is JUPITER (Thursday)

What you have to do:-

Donate - Yellow sapphire or another yellow gem like yellow topaz, a peepal sapling, saffron, turmeric, sugar, or yellow flowers to a brahmin  (priest) on Thursday morning.
Fasting - On Thursday , especially during Jupiter transits and major or minor Jupiter periods.
Mantra - "Aum gram grim graum sah gurave namah." To be chanted on Thursday, one hour before sunset , especially during major Jupiter periods.

This will help pleading Jupiter (Brihaspati) to increase your satisfaction and facilitating marriage and childbirth.