# The Gyani Nose Screw

The BIS hallmark is a system that provides certification of gold that indicates the purity of the metal. It authenticates that a piece of gold jewelery purchased, conforms to the standards as laid by the Bureau of Indian Standards which is the national standards organization in India.

This hallmarking of gold jewelery was established in April 2000. It consists of a BIS logo, a 3 digit number that indicates the gold purity, the logo of the assaying center along with the logo or the code of the jeweler and the code that indicates the hallmarking date. This hallmarking has a high reputation among the jewelery industry in India.

## Details

- **Price:** 0.0 INR
- **Vendor:** Aggarwal jewels
- **Type:** Nose pins

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 0.0600 CT / GROSS WEIGHT = 0.44 GRAM / GROSS WEIGHT = 0.38 GRAM | 0.00 INR | In stock |
| 0.0600 CT / GROSS WEIGHT = 0.44 GRAM / NET WEIGHT = 0.36 GRAM | 0.00 INR | In stock |
| 0.0600 CT / NET WEIGHT = 0.43 GRAM / GROSS WEIGHT = 0.38 GRAM | 0.00 INR | In stock |
| 0.0600 CT / NET WEIGHT = 0.43 GRAM / NET WEIGHT = 0.36 GRAM | 0.00 INR | In stock |

## Images

- Gold nose screw with square halo diamond cluster and rounded prongs
- Gold nose screw with diamond cluster top and grooved screw post
- Gold nose screw stud with round diamond cluster face and visible bar post
- Gold square nose screw stud back with polished setting and open center
- Gold nose screw stud with diamond cluster and round bar post, side view
- Gold nose screw with square setting holding a large center round diamond

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> Source: [Aggarwal Jewels](https://aggarwaljewels.com/products/the-gyani-nose-screw)
> Updated: 2026-06-24