The phrase "so very precious" is correct and commonly used in written English.
It is usually used to emphasize the extreme value or importance of something. Example: The antique necklace was passed down from my great-grandmother and it holds so very precious memories for our family.
Be prepared to defend these things you have occupied, that you are building, because, after everything else has been taken from us, these reclaimed spaces are so very precious.
Because I am present enough to know that what I'm experiencing, right now, is so very precious.
For me, Adele Island was a moving summation of all I had felt while exploring the New Zealand wilderness: that the world we inhabit is full of ferocious, raw beauty; that we should protect it with all our might; that it is all so very precious indeed.
"Our goal was a perfume with personality, style and quality, not just a huge launch with lots of ads," she says, "so we used very precious and rare ingredients, just like a couture collection".
In the ancient world bronze was a very precious commodity, so the sculptures made in this or other metals often disappeared when melted by conquering nations or a later ruler who was not interested in the art of his predecessor.
Do it once in a while so that he finds it very precious and special.
And it's funny because those little intimate moments are very precious because everybody was so formal and so aware of boundaries.
Parents are very precious.'" So what gave Ellis the confidence to disagree?
On the evening she attended, Cindy Zhou wrote on her blog, Chubby Chinese Girl, that during the pre-meal discussion, she "pointed out that the reason I ate organic, fresh and good food was because my calories are very precious to me, so I want to use them wisely".
Time is very precious, it goes so quick.
So Richter had to use "very expensive and very precious gas" to drive to Chicago.
