Sapphire and diamond coronet cluster, circa 1940.

White Gold & Platinum, Diamond, Sapphire

£3,000

and coronet . Set to center with one no-heat oval sapphire in settings with an approximate weight of 0.60 , encircled by ten round in open back double with a combined approximate weight of 0.50 carats to an elegant design featuring an intricately pierced and rounded open backholing flowing through to inwardly tapering with detail and leading to a solid . and , 1940.

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Reference Number 29914

Ring size: N½

Size Guide

Can be adjusted to any size.

Period 1940's

TOTAL / RING Weight 2.74 grams

Gemstone Sapphire, Old Cut, approximately 0.6ct 10 x Diamonds, Transitional, approximately 0.5ct total

Condition

This ring is in good condition commensurate with its age.

Director's Notes

Palladium is a silvery-white metal, discovered by William Hyde Wollaston, the English chemist and physicist, in 1803. He named it after the Greek goddess Pallas, the daughter of Triton (god of the sea). Palladium is part of the platinum group metals, which includes, of course, platinum and iridium, both also used in jewellery. The metal was first used in jewellery in 1939, as an alternative to platinum, which was highly restricted after it was declared a strategic government resource during World War II due to its use in the war effort.

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

Sapphire and diamond coronet cluster, circa 1940.

White Gold & Platinum, Diamond, Sapphire

£3,000

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