Britannica says this about the graviton:
graviton, postulated quantum that is thought to be the carrier of the gravitational field. It is analogous to the well-established photon of the electromagnetic field. Gravitons, like photons, would be massless, electrically uncharged particles traveling at the speed of light. Since gravitons would apparently be identical to their antiparticles, the notion of antigravity is questionable.
The graviton Wiki goes even further to state:
(1) Why graviton & anti-graviton being identical will make the notion of antigravity questionable?
(2) If graviton (G) & anti-graviton (AG) collide & annihilate each other to release radiation , then gravity also "disappears": If there was some some entity P having gravitation attraction before annihilation, that entity will now see a drop in gravitation attraction. Is this correct ? Diagrammatically:
P ----> (some gravitational attraction) ----> G + AG [[ before annihilation ]]
P -----------------------------------> radiation [[ annihilation ]]
P (no gravitational attraction) [[ after annihilation ]]
(3) If that is correct , then will P experience net 0 gravity , with the attraction of G + AG cancelling each other , even without annihilation ?
(4) In other words, when P is near only AG , will P experience negative gravity?
(5) If graviton & antigraviton are Identical, then will two such Particles get annihilated on interaction?
My Current thinking about this PARADOX is that graviton & anti-graviton are Exactly Identical & will not interact to annihilate. Thus it will always be attractive in nature, graviton never cancelling with anti-graviton.
Conclusion: graviton (& gravity) is INDESTRUCTIBLE!
Is that line of thought Correct?