New to buying jewelry, need advise

#1
I'm shopping for a necklace set for our anniversary and I've come across this 22k gold necklace set for about $5000. It says that it weighs 68 grams. The cost of gold comes about to $4000, so they are charging $1000 for the design and labor. Are these charges reasonable? Is this a good price for this set?
 
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