# Men's Black Agate Cufflinks – 18mm Square Business French Cufflinks | Canada & USA

## Black Agate Cufflinks – Premium 18mm Square Business French Cufflinks for Men | EX-STOCK Canada

Elevate your formal wardrobe with these sophisticated **Black Agate Cufflinks**, crafted for the modern professional. Featuring genuine agate stone in a bold 18mm square setting, these French cufflinks deliver understated luxury for business meetings, weddings, tuxedo events, and formal banquets. Available with fast shipping to Canada and the USA from EX-STOCK Canada.

![Men's Black Agate Cufflinks – 18mm square agate French cufflinks for business and formal wear](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/14e85d4f-df00-47e1-939c-ba29e89249f2.jpg?v=1785019712)

### Key Features

-   **Material:** Genuine agate stone
-   **Size:** 18mm
-   **Color:** Black
-   **Shape:** Square
-   **Structure:** Has foot buttons (French cufflink style)
-   **Gender:** Men's (unisex formal)
-   **Scope of Application:** French shirts, tuxedos, formal wear, banquets, wedding photography, business activities, gifts and giveaways, weddings, private occasions
-   **Packing List:** 1 pair of cufflinks

![Black Agate Cufflinks close-up showing 18mm square agate stone and foot button detail](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/6b1a00e3-1c16-4d7e-afc4-0220b66b66e6.jpg?v=1785019712)

### Size Guide

These cufflinks feature an 18mm square agate face, a bold and refined size suited for standard French cuff (double cuff) dress shirts. French cuff shirts have buttonholes on both sides of the cuff and require cufflinks to fasten. One size fits all standard French cuff shirts.

_Note: Agate is a natural stone. Minor variations in pattern and tone are inherent to the material and add to the uniqueness of each pair._

![Black Agate Cufflinks size reference – 18mm square agate on French cuff dress shirt](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/9df1cd53-080b-42d4-95b4-e1f7816cac9e.jpg?v=1785019712)

### Who This Is For

-   Business professionals who want to add a polished finishing touch to their formal attire
-   Grooms and groomsmen seeking elegant, natural stone accessories for weddings
-   Gift-givers looking for a premium, memorable present for corporate events or anniversaries
-   Men who appreciate the timeless appeal of genuine gemstone accessories
-   Anyone attending formal banquets, galas, or black-tie events who wants to stand out with understated luxury

![Black Agate Cufflinks styled on a tuxedo shirt for a formal wedding or business event](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/976b123f-7117-477d-babd-7fd0b3fc6ac4.jpg?v=1785019712)

### Why Shop at EX-STOCK Canada

-   **Verified Suppliers:** Every product is sourced from trusted, quality-checked suppliers
-   **Fast Delivery:** Reliable shipping to Canada and the USA
-   **Transparent Service:** Clear product information and honest descriptions
-   **90-Day Return Policy:** Shop with confidence – returns accepted within 90 days
-   **Secure Checkout:** Safe, encrypted transactions every time

Explore more styles in our [Men's Business Collection](/collections/mens-business-collection) or browse the full [Men's Collection](/collections/mens-collection). Complete your formal look with our [Men's Poker Cufflinks & Tie Clip Set](/products/mens-poker-cufflinks-tie-clip-set-alloy-business-shirt-cufflinks-canada-usa) or the elegant [Men's Silver French Cufflinks](/products/mens-silver-french-cufflinks-copper-metal-business-wedding-suit-cufflinks-canada-usa).

![Black Agate Cufflinks product overview – premium square agate French cufflinks Canada USA](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/fac345d4-3e6c-41a8-b7c2-7e8b456eeb84.jpg?v=1785019712)

Also preserved from original listing:

![Business Black Agate Cufflinks supplier image 1](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/2c5c5113-2609-4550-b638-61bb0cde995e.jpg)![Business Black Agate Cufflinks supplier image 2](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/27a942ac-6340-4140-8472-a6891ff2d0cd.jpg)![Business Black Agate Cufflinks supplier image 3](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/be5d7559-0920-4dff-a72a-205a728ec358.jpg)![Business Black Agate Cufflinks supplier image 4](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/2f853daa-6011-4de6-af2e-547a803a7a59.jpg)![Business Black Agate Cufflinks supplier image 5](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/24b56258-669c-4db4-ba71-9675d516f7e8.jpg)![Business Black Agate Cufflinks supplier image 6](https://oss-cf.cjdropshipping.com/product/2025/05/10/14/e3e3df5b-22ab-4201-87ad-c4cf76c2a006.jpg)

### Frequently Asked Questions

**Do you ship Black Agate Cufflinks to Canada and the USA?**

Yes! EX-STOCK Canada ships to both Canada and the USA with fast, tracked delivery. Estimated delivery is 3–7 business days depending on your location.

**What material are these cufflinks made from?**

These cufflinks feature genuine agate stone. Agate is a natural semi-precious stone known for its deep, rich color and smooth finish. Each pair may have slight natural variations in pattern.

**What size are the agate cufflinks?**

The agate face measures 18mm in a square shape, making them a bold and refined choice for formal and business wear.

**Are these suitable as a wedding or corporate gift?**

Absolutely. These Black Agate Cufflinks are an excellent gift for weddings, business events, anniversaries, and corporate occasions. They come ready to gift.

**What is your return policy?**

EX-STOCK Canada offers a 90-day return policy. Contact us within 90 days of delivery for a hassle-free return or exchange.

## Details

- **Price:** 47.0 CAD
- **Vendor:** EX-STOCK
- **Type:** Cufflinks

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 18mm / Black / Square | 47.00 CAD | In stock |

## Images

- Men's Black Agate Cufflinks – 18mm Square Business French Cufflinks | Canada & USA
- Men's Black Agate Cufflinks – 18mm Square Business French Cufflinks | Canada & USA
- Black and silver square cufflinks on a black background
- Black and silver square cufflinks on a reflective black surface
- Men's Black Agate Cufflinks – 18mm Square Business French Cufflinks | Canada & USA

## Additional Information

- **Care guide:** Store agate cufflinks in a dry, cool place away from moisture and direct sunlight. Wipe gently with a soft dry cloth after use. Avoid contact with perfumes, lotions, and harsh chemicals to preserve the natural agate stone and metal finish.
- **Delivery :** Standard
- **return refund policy:** EX-STOCK Canada offers a 90-day return policy on this item. Items must be returned in original, unused condition with original packaging. Contact our support team within 90 days of delivery to initiate a return or exchange. Return shipping costs may apply.

---

> Source: [EX-STOCK Canada](https://www.ex-stock.com/products/business-black-agate-cufflinks)
> Updated: 2026-07-26
