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This is the type of loose loose gemstone necklace. To be honest, there were a lot of inclusions, and for some reason I couldn't finish the production ... more info

This is the type of loose loose gemstone necklace. Here, emphasis is placed on the shape of the rough, and only the sides are cut into octagons. The ... more info

This is the type of loose loose gemstone necklace. Here, emphasis is placed on the shape of the rough, and only the sides are cut into octagons. The ... more info

If you make a ring with a large grain, it looks quite large. The center is not well established in the production, and there are gaps in the table ... more info

The upper star facet, which is usually produced in two layers, is tripled to make it more bright. The degree of perfection is also excellent. ... more info

The side girdle is not horizontal but slightly offset. The center is slightly off. All of them are small gaps that can be magnified and checked with ... more info

The side girdle is not horizontal but slightly offset. The surface table is wider than the appropriate size. All of them are small gaps that can be ... more info

We cut natural orange agate into magatama. The source of the ore is a river that originates from Gassan in Yamagata Prefecture. Material Sampling ... more info

Mobaoku re-exhibition tool that was produced in Ruby was recreated in Python. The GUI, .exe, and .app conversions were canceled because they did not ... more info

This is a rough copper stone collected at the site of a copper mine in Yamagata Prefecture. There is a characteristic light green color, and among ... more info