Exodus 39:7

3 They hammered out thin sheets of gold and cut threads from them to interweave with the blue, purple, and scarlet yarn, and fine linen—the work of a skilled craftsman.

4 They made shoulder pieces for the ephod, which were attached at two of its corners, so it could be fastened.

5 And the skillfully woven waistband of the ephod was of one piece with the ephod, of the same workmanship—with gold, with blue, purple, and scarlet yarn, and with finely spun linen, just as the LORD had commanded Moses.

6 They mounted the onyx stones in gold filigree settings, engraved like a seal with the names of the sons of Israel.

7 Then they fastened them on the shoulder pieces of the ephod as memorial stones for the sons of Israel, as the LORD had commanded Moses.

8 He made the breastpiece with the same workmanship as the ephod, with gold, with blue, purple, and scarlet yarn, and with finely spun linen.

9 It was square when folded over double, a span long and a span wide.

10 And they mounted on it four rows of gemstones: The first row had a ruby, a topaz, and an emerald;

11 the second row had a turquoise, a sapphire, and a diamond;

Read all of Exodus 39