Gyan Tanzanite Octagon ring laid flat, purple enamel dome with sapphire blue center stone and diamond accents

Gyan Tanzanite Octagon ring, close-up of emerald-cut tanzanite with diamond halo on purple enamel band

GyanTanzanite Octagon, 18K White Gold + Tanzanite & Diamond Ring

$7,810.00

Size7

7

Description

A deep-blue octagon-cut tanzanite sits at the center of this ring, set in 18k white gold and framed by a halo of round and rose-cut diamond accents. Enamel detailing traces the shoulders of the band, adding a graphic edge against the gold.

Size

7

Details & Care

18k white gold
9.776g
1 octagon-cut tanzanite, 1.53ct
24 round diamonds, 0.15ct total
4 rose-cut diamonds, 0.35ct total
Enamel

SKU: HR-7571-18K

Size Guide

All sizes are converted to US sizing. Designers can fit differently, so check Size & Fit on the product or ask our advisors.

Apparel

US	Size	UK	IT	FR	DE / DK
00	xx small	2	36	32	30
0	x small	4	38	34	32
2	x small	6	40	36	34
4	small	8	42	38	36
6	small	10	44	40	38
8	medium	12	46	42	40
10	medium	14	48	44	42
12	large	16	50	46	44
14	large	18	52	48	46
16	x large	20	54	50	48

Some designers use their own scale (for example 0 to 5, or I to III). Check Size & Fit on the product.

Denim

Waist	US	Size
24	00	xx small
25	0	x small
26	2	x small
27	4	small
28	6	small
29	8	medium
30	10	medium
31	12	large
32	14	large

How to measure

Bust: around the fullest part of the chest. Waist: around the narrowest part, above the belly button. Hips: around the fullest part, about 20 cm below the waist.

Apparel

US / UK	Size	IT / EU
34	x small	44
36	small	46
38	medium	48
40	large	50
42	x large	52
44	xx large	54
46	xxx large	56

US / UK is chest size in inches.

Shirts

Collar EU (cm)	Collar US (in)	Size
38	15	small
39	15.5	medium
40	15.75	medium
41	16	large
42	16.5	large
43	17	x large
44	17.5	x large

Denim

Waist (in)	IT / EU
28	44
29	44
30	46
31	46
32	48
33	48
34	50
36	52

How to measure

Chest: around the fullest part, under the arms. Waist: where you wear your trousers. Collar: around the base of the neck, with one finger of room.

Hers

EU	US	UK
35	5	2
35.5	5.5	2.5
36	6	3
36.5	6.5	3.5
37	7	4
37.5	7.5	4.5
38	8	5
38.5	8.5	5.5
39	9	6
39.5	9.5	6.5
40	10	7
40.5	10.5	7.5
41	11	8
42	12	9

His

EU	US	UK
39	6	5
40	7	6
41	8	7
42	9	8
43	10	9
44	11	10
45	12	11
46	13	12

Italian shoes often run half a size small. Check Size & Fit on the product.

Rings

US	EU / ISO	Circumference (mm)	Diameter (mm)
3	44	44.2	14.1
3.5	45.5	45.5	14.5
4	47	46.8	14.9
4.5	48	48.0	15.3
5	49	49.3	15.7
5.5	50.5	50.6	16.1
6	52	51.9	16.5
6.5	53	53.1	16.9
7	54	54.4	17.3
7.5	55.5	55.7	17.7
8	57	57.0	18.1
8.5	58	58.3	18.5
9	59.5	59.5	18.9
9.5	61	60.8	19.4
10	62	62.1	19.8
10.5	63.5	63.4	20.2
11	64.5	64.6	20.6
11.5	66	65.9	21.0
12	67	67.2	21.4

How to measure

Wrap a strip of paper around the base of the finger, mark where it meets and measure the length in millimetres. Match it to the circumference column. Measure at the end of the day, when fingers are slightly larger.

Between sizes? Our advisors are happy to help with fit before you order.

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GyanTanzanite Octagon, 18K White Gold + Tanzanite & Diamond Ring

Size Guide

Apparel

Denim

How to measure

Apparel

Shirts

Denim

How to measure

Hers

His

Rings

How to measure

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GyanTanzanite Octagon, 18K White Gold + Tanzanite & Diamond Ring

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