Handmade Jewelry by Nao goldwork


Greetings Gold granulation technique


Gold
granulation 1
Gold
granulation 2
Flow of
the production process


Fiat lux 1 Fiat lux 2


Jadeite 1 Jadeite 2


Emerald Ruby Pink Sapphire


Blue Sapphire 1 Blue Sapphire 2


Wirework Metalworks of Japan


NANAKO Fes




Flow of the production steps


Green Jadeite ring with gold granulation


Oval-cabochon Jadeite ring with gold granulation


Ring weight: 25.3g (Green Jadeite 9.05 carat)

Ring height : 28 mm
long side ring length : 22 mm
short side ring length: 20 mm


Oval-cabochon Jadeite ring with gold granulation

Gold ring is welded with 1.2mm diameter gold granules around the bezel.


Step 1 : Produce fine gold granules.


Step1: Produce 24 carat gold granules.

Granules: gold 99.99




Step 2 : Sort gold granules by size.


Step2:Select gold granules with a diameter of 1.2 mm from produced granules.

Select gold granules with a diameter of 1.2 mm from produced granules.




Step 3 : Polish Jadeite to yield an oval cabochon.


Step3:Cut and polish Jadeite to achieve a green ova-cabochon with the weight 1.81g, 9.05 carat.

The final diamond paste used is #100000.

long side length : 15 mm
short side length: 12 mm
height : 5.6 mm
weight:1.81g ( 9.05 carat)



Step 4 : Produce a gold bezel.


Step4:Produce a gold bezel.


Step 5 : Cut out an oval gold plate
on which Jadeite stone is placed.


Step5: Cut out an oval gold plate on which Jadeite stone is placed.


Step 6 : Produce a gold bar on which
Jadeite stone is to be placed.

Step6:Produce a gold bar.

Step6:The gold bar is cut out so that the cross section is elliptical.


Step 7 : Bend the gold bar and
shape it into a ring.

Step7:Bend the gold bar and shape it into a ring.

The joint of the gold bar to be made into a ring
is cut so that it fits perfectly.


Step7:The joint of the gold bar to be made into a ring is cut so that it fits perfectly.


Step 8 : Weld gold parts together
to form a ring.

Step8:Scrape off the adhesive surface on the ring so that the ring adheres to the bezel without any gaps.

Step8:Weld gold parts together to form a ring.


Step 9 : Modify the shape of the bezel
and add texture on it.

Step9:After welding each part,texture the face of the bezel of the ring.


Step10 : Weld gold granules around the bezel.

Step10:Weld gold granules around the bezel.


Step11 : Set and fix the jadeite on the bezel.


Oval-cabochon Jadeite ring with gold granulation


The ring is now complete!




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