HELP!!! Extreme Burnout w/ Test 1 Week Away

Long time lurker, first time poster here and I’m in a little dilemma that hopefully you can help me out with.

Here is the problem; I have an opportunity a week from today to take the GMAT, a test that that I don’t feel ready for. My definition of ready is attaining a minimum score of 700.

I have spent the past 3+ months studying intensively in ambition to attain a score of 700. By intensively, I mean multiple hours every single day without a day off: something I regret now. It seems all this intense studying has finally caught up to me and I’m experiencing an unprecedented burnout…..one important week before my test.

Here is the kicker; I booked a three week vacation to go to Japan the day after my scheduled test to get some R&R. However, per my latest practice exam, coupled with the extreme burnout, I have extreme doubt that I can attain much less improve my score to 700 with less than a week away.

My alternative is to push the test out after my trip. Being that this trip is three weeks long, I figure that I need one month to get back into rhythm of studying and re-prepare myself for the test: ultimately taking the test in November.

What should I do? Should I just say hell with it and take the test now, keep in mind I cannot financially afford two tests, or should I take three weeks off studying and delay my test by almost two months.

The following are my practice exam scores. I have sound knowledge of all material being tested; however, my biggest issue holding my scores back is timing and pace throughout the test. I panic way too easily during the tests which ultimately clouds my judgment on problems I otherwise know how to solve. Funny because I have gone through the OG16 problems twice over using MGMAT Navigator and my timing has been great.

Test #1 MGMAT: 440 (Q23, V28)
Test #2 MGMAT: 580 (Q40, V31)
Test #3 MGMAT: 580 (Q39, V31)
Test #4 KAPLAN: 640 (Q44, V34)
Test #5 KAPLAN: 620 (Q41, V34)

Any help, advice, tips, or pointers will be much appreciated.