INVENTORIES (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019
Total inventories, net of reserves [Abstract]
Raw materials	$ 4,351,565	$ 4,450,478
Work-in-process	12,266,806	10,871,823
Finished goods	18,639,550	18,557,224
Finished goods on consignment	2,963,009	2,086,084
Total supplies inventory	128,645	129,111
Less: inventory reserves	(2,384,000)	(2,361,000)
Total inventory	35,965,575	33,733,720
Short-term portion	11,787,226	11,909,792
Long-term portion	24,178,349	21,823,928
Inventories issued to active production	1,950,000	1,230,000
Inventory of net jewelry	11,370,000	9,330,000
Inventory of net loose jewels	24,460,000	24,270,000
Inventory reserve for obsolescence	1,820,000	1,790,000
Carrying value of inventory reserve for obsolescence of finished jewelry	67,000	19,000
Lower of cost or market value	1,750,000	1,770,000
Inventory reserve for shrinkage	144,000	112,000
Inventory reserve for shrinkage of finished jewelry	108,000	105,000
Inventory reserve for shrinkage of loose jewels	36,000	7,000
Shrinkage reserve for finished goods on consignment	14,000	15,000
Inventory reserve for shrinkage of loose jewels on consignment	2,000	1,000
Inventory reserve for shrinkage of finished jewelry on consignment	12,000	14,000
Inventory rework reserve for recut of loose jewel	418,000	460,000
Finished Jewelry [Member]
Total inventories, net of reserves [Abstract]
Raw materials	772,119	643,797
Work-in-process	1,089,875	487,680
Finished goods	6,810,280	6,332,533
Finished goods on consignment	2,700,443	1,867,549
Total	11,372,717	9,331,559
Loose Jewels [Member]
Total inventories, net of reserves [Abstract]
Raw materials	3,579,446	3,806,681
Work-in-process	11,176,931	10,384,143
Finished goods	9,459,270	9,878,691
Finished goods on consignment	248,566	203,535
Total	$ 24,464,213	$ 24,273,050