Oscar Heyman Brothers sapphire diamond ring berganza hatton garden1

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden2

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden3

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden4

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden5

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden6

Oscar Heyman Brothers sapphire diamond ring berganza hatton garden7

Vintage Oscar Heyman Brothers sapphire and diamond ring, American, circa 1960.

Platinum, Diamond, Sapphire

£110,000

Brothers and ring. Set to centre with a shape mixed cut unenhanced sapphire in an setting with an approximate weight of 11.45 , flanked by six rectangular tapered cut in open back settings with a combined approximate weight of 0.80 carats, embellished by a of seventy four diamonds in open back settings with a combined weight of 1.80 carats. The total approximate diamond weight is 2.60 carats, to an elegant cluster featuring curving claws, a pierced openwork and intricate fancy open backholing, flowing through to smooth and tapering down to a solid . , for Oscar Heyman Brothers, numbered '507968', American, 1960, accompanied by American Gemological Laboratories report #CS54804 and certificate of authenticity from Oscar Heyman Brothers.

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Reference Number 25321

Maker Oscar Heyman & Brothers

Origin American

Ring size: L½

Size Guide

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

Period 1960's

TOTAL / RING Weight 13.18 grams

Metal Platinum

Gemstone Ceylon Unheated Sapphire, Mixed Cut, approximately 11.45ct 6 x Diamonds, Baguette Cut, approximately 0.8ct total 74 x Diamonds, Brilliant Cut, approximately 1.8ct total

Condition

The ring is in excellent 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

Vintage Oscar Heyman Brothers sapphire and diamond ring. Set to centre with a cushion shape mixed cut natural unenhanced Ceylon sapphire in an open back claw setting with an approximate weight of 11.45 carats, flanked by six rectangular tapered baguette cut diamonds in open back channel settings with a combined approximate weight of 0.80 carats, embellished by a cluster of seventy four round brilliant cut diamonds in open back grain settings with a combined weight of 1.80 carats. The total approximate diamond weight is 2.60 carats, to an elegant bombé cluster featuring curving claws, a pierced openwork gallery and intricate fancy open backholing, flowing through to smooth shoulders and tapering down to a solid D-shape shank. Marked platinum, maker's mark for Oscar Heyman Brothers, numbered '507968', American, circa 1960, accompanied by American Gemological Laboratories report #CS54804 and certificate of authenticity from Oscar Heyman Brothers.

25321

blue

Platinum

https://www.berganza.com/images/jewellery/jewelleryitemphoto_14545_35.jpg

InStock

GBP

110000.00

UsedCondition

https://www.berganza.com/shop/engagement-rings/Vintage-Oscar-Heyman-Brothers-sapphire-and-diamond-ring-American-circa-1960

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

Vintage Oscar Heyman Brothers sapphire and diamond ring, American, circa 1960.

Platinum, Diamond, Sapphire

£110,000

About the Gemstone

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