Oscar Heyman Brothers chrysoberyl diamond ring berganza hatton garden1

Oscar Heyman Brothers chrysoberyl diamond ring berganza hatton garden2

Oscar Heyman Brothers chrysoberyl diamond ring berganza hatton garden3

Oscar Heyman Brothers chrysoberyl diamond ring berganza hatton garden4

Oscar Heyman Brothers chrysoberyl diamond ring berganza hatton garden5

Oscar Heyman Brothers chrysoberyl cat's eye and diamond ring, American, circa 2019.

Platinum & Iridium, Cats Eye, Diamond

£54,000

Brothers and ring. Centrally set with a shape chrysoberyl cat's eye in an setting with an approximate weight of 18.30 , encircled by twelve oval in open back with a combined approximate weight of 3.00 carats, to an impressive coronet design featuring curving claws, an intricately pierced and shaped open backholing, flanked by broad split which flow through to a solid . 18 carat , and , makers mark for Oscar Heyman Brothers, numbered '302918', American, 2019.

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Reference Number 22118

Maker Oscar Heyman & Brothers

Origin America

Ring size: M

Size Guide

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

TOTAL / RING Weight 16 grams

Metal Platinum & Iridium

Gemstone Cats Eye, Cabochon, approximately 18.33ct 12 x Diamonds, Brilliant Cut, approximately 2.99ct total

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

Oscar Heyman Brothers chrysoberyl cat's eye and diamond ring, American, circa 2019.

Platinum & Iridium, Cats Eye, Diamond

£54,000

About the Gemstone

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