Ring Size Guide

Indian Size Inner Circumference (mm) Inner Diameter (mm) Approx. US Size
4 44 14.01 3
5 45 14.32 3.25
6 46 14.64 3.5
7 47 14.96 4
8 48 15.28 4.5
9 49 15.60 4.75
10 50 15.92 5
11 51 16.24 5.5
12 52 16.56 6
13 53 16.88 6.5
14 54 17.20 7
15 55 17.52 7.5
16 56 17.84 7.75
17 57 18.15 8
18 58 18.47 8.5
19 59 18.79 9
20 60 19.11 9.25
21 61 19.43 9.75
22 62 19.75 10
23 63 20.07 10.5
24 64 20.39 11
25 65 20.70 11.25

 

📏 METHOD 1 — Measure an Existing Ring (Most Accurate at Home)

This is the most reliable home method.

What You Need:

• A ring that fits the intended finger
• A ruler (with millimeter scale)

Steps:

  1. Place the ring on a flat surface.

  2. Measure the inner diameter straight across the center (from inner edge to inner edge).

  3. Note the measurement in millimeters (mm).

  4. Match the diameter with the table below.

⚠ Measure only the inside edge. Do not include metal thickness.

📐 METHOD 2 — Measure Finger Circumference (String Method)

Use this if you do not have a ring.

What You Need:

• A thin strip of paper or thread
• A ruler (mm scale)

Steps:

  1. Wrap the paper/thread around the base of your finger.

  2. Ensure it is snug but not tight.

  3. Mark the point where it overlaps.

  4. Lay it flat and measure the length in millimeters.

  5. This measurement is your inner circumference.

  6. Match it with the table below.

⚠ Measure at room temperature. Fingers expand in heat and shrink in cold.

🧠 Professional Recommendations

• Measure twice for accuracy.
• If between sizes, select the larger size.
• Wider bands may require half a size larger.
• For bespoke orders, sizing confirmation is recommended prior to production.

Custom sizes are available upon request. Each MK DIAM piece is crafted to order. Accurate sizing ensures enduring comfort and structural integrity.