Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden1

Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden2

Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden3

Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden4

Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden5

Edwardian diamond seven stone ring, English, circa 1910. Hatton Garden6

S Blanckensee & Son Ltd diamond seven stone ring, English, circa 1910.

18ct Yellow Gold, Diamond

£8,400

S Blanckensee & Son Ltd seven stone ring. Horizontally set with seven round in settings with a combined approximate weight of 2.50 , to an elegant seven stone design featuring curving claws, a carved and fancy open backholing, leading to inwardly tapering and flowing through to a solid . Makers mark 'S.B & S' for S. Blanckensee & Son , marked 'G', indistinct hallmarks, yellow and , English, 1910.

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Reference Number 27800

Maker S. Blanckensee & Son Ltd

Ring size: P

Size Guide

The majority of items can be re-sized free of charge.

Period Edwardian

TOTAL / RING Weight 4.5 grams

Metal 18ct Yellow Gold

Gemstone 7 x Diamonds, Old Cut, approximately 2.5ct total

Chairman's Notes

S. Blanckensee & Son was founded in 1826 in Bristol by Solomon Blanckensee. Soon after he moved the firm to Birmingham, and also opened another location in Glasgow. Solomon's son Aaron joined the firm in 1865, and continued operation after his father's retirement in 1874. In 1884 another location was opened in London, at 35 Ely Place in Holborn where the produced all manner of gold and gem-set jewellery. They exhibited in a number of exhibitions, including the Health Exhibition of 1884 and the Jewellers' Exhibition of 1913.

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

S Blanckensee & Son Ltd diamond seven stone ring, English, circa 1910.

18ct Yellow Gold, Diamond

£8,400

About the Gemstone

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