The price of a gold pendant can vary widely depending on several factors, such as:

1、Weight and size: The heavier and larger the pendant, the more expensive it will be.
2、Purity: The purity of gold is measured in karats (kt)、14kt, 18kt, and 22kt are common purities、Higher purity gold is more expensive.
3、Design and craftsmanship: Intricate designs, engravings, or detailed work can increase the price.
4、Type of gold: Yellow gold, white gold, and rose gold have different price points.
5、Brand or maker: Luxury brands or bespoke designs can command higher prices.
6、Market conditions: Gold prices fluctuate based on market demand and supply.

Here are some rough estimates for gold pendants:

* Simple 14kt gold pendants (12 grams):
+ Small, basic designs: $100$300
+ Medium, classic designs: $200$500
* 18kt gold pendants (12 grams):
+ Simple designs: $300$600
+ More intricate designs: $500$1,200
* 22kt gold pendants (12 grams):
+ Basic designs: $500$1,000
+ Highend designs: $1,000$2,500
* Custom or luxury gold pendants (25 grams):
+ Highend designs: $1,500$5,000
+ Bespoke or intricate designs: $3,000$10,000 or more

Keep in mind that these are rough estimates, and prices can vary depending on your location, the jeweler, and other factors.

If you're looking to buy a gold pendant, I recommend checking with local jewelers, online marketplaces, or the websites of wellknown jewelry brands to get a better sense of the current market prices.