Measure a ring you own: inside diameter (mm)

Wrap a strip of paper around the base of your finger.
Mark where it overlaps and measure the length in millimetres (circumference).
Find the closest circumference below. Between sizes? Choose the larger size.

US ring sizes
US size	Diameter (mm)	Circumference (mm)
3	14.1	44.2
3.5	14.5	45.5
4	14.9	46.8
4.5	15.3	48.0
5	15.7	49.3
5.5	16.1	50.6
6	16.5	51.9
6.5	16.9	53.1
7	17.3	54.4
7.5	17.7	55.7
8	18.1	57.0
8.5	18.5	58.3
9	18.9	59.5
9.5	19.4	60.8
10	19.8	62.1
10.5	20.2	63.4
11	20.6	64.6
11.5	21.0	65.9
12	21.4	67.2
13	22.2	69.7

Prefer to be sized in person? Visit us in Aventura or book an appointment.

Black Onyx French Pin

Name: Black Onyx French Pin
SKU: 681
Availability: InStock

$6,000.00

As low as $500/mo for 12 months with Synchrony* Learn more

See it in store

Signature-required deliveryFlat $25 U.S. shipping
In-house master jewelerRepairs & resizing in Aventura
Financing with SynchronySubject to credit approval
Custom & made to orderFamily jewelers since the 1980s

SKU: 681 Category: HEADWEAR & ACCESSORIES

Description

Just twist, tuck to pin, and you’re ready for good hair days ahead! For up-do occasions to wear-your-hair-up days and everything in between, the hairpin makes it easy to create the best looks.
Diamond: 0.30ct. t.w.
Metal Color: 18K Yellow Gold & 925 Silver
Dimensions: 4″ Long

Black Onyx French Pin

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