Colombian emerald and diamond ring, circa 1970.1

Colombian emerald and diamond ring, circa 1970.2

Colombian emerald and diamond ring, circa 1970.3

Colombian emerald and diamond ring, circa 1970.

18ct Yellow Gold, Diamond, Emerald

£14,700

and ring. Set to centre with an octagonal Colombian emerald with minor oil in an half-rubover setting with an approximate weight of 0.90 , flanked by two round in open back settings with a combined approximate weight of 1.30 carats, further set with two tapering cut diamonds in open back half rubover settings with a combined weight of 0.20 carats, and framed to top and bottom with twenty-two square step-cut diamonds in open back settings with a combined weight of 1.30 carats. The total approximate diamond weight is 2.80 carats, to an impressive three stone ring featuring polished edges, a linear pierced and fancy shape open backholing, leading to tapering which flow through to a solid flat . 18 carat yellow , signed 'Nava Encini', accompanied by Instituto Gemmologico Cisgem report #29686.

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Reference Number 29665

Ring size: Q

Size Guide

Can be adjusted to any size.

Period 1970's

Metal 18ct Yellow Gold

Gemstone Colombian Minor Oil Emerald, Emerald Cut, approximately 0.9ct 2 x Diamonds, Transitional, approximately 1.3ct total 2 x Diamonds, Baguette Cut, approximately 0.2ct total 22 x Diamonds, Step Cut, approximately 1.3ct total

Provenance

From an Italian collection.

Condition

This ring is in good condition.

Delivery & Returns

Inside diameter (mm)	USA	UK	China India	European
11.63	0
11.84	¼
12.04	½	A
12.24	¾	A½
12.45	1	B	1
12.65	1¼	B½
12.85	1½	C
13.06	1¾	C½		41
13.26	2	D	2	42
13.46	2¼	D½
13.67	2½	E	3	43
13.87	2¾	E½
14.07	3	F	4	44
14.27	3¼	F½	5	45
14.48	3½	G
14.68	3¾	G½	6	46
		H		47
14.88	4	H½	7
15.09	4¼	I		48
15.29	4½	I½	8
15.49	4¾	J		49
15.7	5	J½	9	50
15.9	5¼	K		51
16.1	5½	K½	10
16.31	5¾	L		52
16.51	6	L½	11
16.71	6¼	M	12	53
16.92	6½	M½	13
17.12	6¾	N		54
17.32	7	O	14	55
17.53	7¼	O½		56
17.73	7½	P	15
17.93	7¾	P½		57
18.14	8	Q	16
18.34	8¼	Q½		58
18.54	8½	R	17	59
18.75	8¾	R½
18.95	9	S	18	60
19.15	9¼
19.35	9½	S½	19	61
19.56	9¾	T
19.76	10	T½	20	62
19.96	10¼	U	21
20.17	10½	U½	22	63
20.37	10¾	V		64
20.57	11	V½	23
20.78	11¼	W		65
20.98	11½	W½	24
21.18	11¾	X		66
21.39	12	Y	25	67
21.59	12¼	Y½		68
21.79	12½	Z	26
22	12¾	Z½		69
22.2	13		27
22.4	13¼
22.61	13½
22.81	13¾
23.01	14
23.22	14¼
23.42	14½
23.62	14¾
23.83	15
24.03	15¼
24.23	15½
24.43	15¾
24.64	16

Next day delivery Tuesday to Saturday before 1pm – order by 4:30pm	Complimentary
Nominated day delivery Tuesday to Saturday	Complimentary
Same Day Delivery within London Monday to Saturday – order by 3:30pm	£100

USA 7-10 business days - complimentary fully insured shipping	Complimentary
Europe and Rest of World 7-10 business days - complimentary fully insured shipping	Complimentary

Colombian emerald and diamond ring, circa 1970.

18ct Yellow Gold, Diamond, Emerald

£14,700

About the Gemstone

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