Art Deco sapphire and diamond coronet cluster ring, circa 1935.1

Art Deco sapphire and diamond coronet cluster ring, circa 1935.

Platinum, Diamond, Sapphire

£11,900

and ring. Set to centre with a square step-cut no heat sapphire in an setting with an approximate weight of 1.40 , encircled by fourteen round in open back settings, with a combined approximate weight of 0.28 carats, further set with ten tapering rectangular diamonds in settings with a combined weight of 0.30 carats. The total approximate diamond weight is 0.58 carats, to a geometric cluster design featuring smooth borders, a linear open and fancy open backholing, flanked by raised flowing through to a solid . , 1935.

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Reference Number 29609

Ring size: N½

Size Guide

Can be adjusted to any size.

Period Art Deco

TOTAL / RING Weight 3.96 grams

Metal Platinum

Gemstone Sapphire, approximately 1.4ct 14 x Diamonds, Eight Cut, approximately 0.28ct total 10 x Diamonds, Step Cut, approximately 0.3ct total

Condition

The ring is in very good condition.

Director's Notes

The ring has been assessed by our in house gemmologist and the sapphire is most likely to originate from Basaltic deposits.

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

Art Deco sapphire and diamond coronet cluster ring, circa 1935.

Platinum, Diamond, Sapphire

£11,900

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