Online Inventory

Register on our website to view our inventory strictly for wholesale purpose to Jewellery professional only.

Most of our diamond have 360 Degree Video. You can also submit your order online.

Blumoon Diamond

Your Local Diamond Wholesaler Based In MELBOURNE. We provide BEST QUALITY DIAMONDS AT BEST PRICE.

Our Products

GIA Certified Natural Diamond

Blumoon Diamond offers a wide range of GIA certified natural diamond inventory to choose from.

IGI Certified Labgrown Diamond

We carry only Certified Labgrown Diamond 0.50ct - 5.00ct in All Shape

Calibrated Size Natural Diamond

Our calibrated size diamonds are accurate in quality and hand measured.size chart from 1.00mm+

Natural Fancy Color Diamond

All our Fancy colour diamonds are 100% Natural and Non treated. Size starts from 0.05ct- 2.00ct in All Shape.

About us

Blumoon Diamond is a 3rd Generation Family-owned company. From importing rough diamonds to getting that diamond manufactured in perfect shapes and sizes for our customers. Our family has done it all. With our company in Hongkong & India, we have extensive access to the largest inventory in the world to help our customers to get the best possible diamond at a very competitive price.

Round Diamond Sizes

Round MM Size Round Carat Weight
0.8 mm.0.0025 ct.
1 mm.0.005 ct.
1.1 mm.0.0067 ct.
1.2 mm.0.009 ct.
1.25 mm.0.01 ct.
1.3 mm.0.01 ct.
1.5 mm.0.015 ct.
1.75 mm.0.02 ct.
1.8 mm.0.025 ct.
2 mm.0.03 ct.
2.2 mm.0.04 ct.
2.5 mm.0.06 ct.
2.75 mm.0.08 ct.
3 mm.0.10 ct.
3.25 mm.0.14 ct.
3.5 mm.0.17 ct.
3.75 mm.0.21 ct.
4 mm.0.25 ct.
4.25 mm.0.28 ct.
4.5 mm.0.36 ct.
4.75 mm.0.44 ct.
5.0 mm.0.50 ct.
5.25 mm.0.56 ct.
5.5 mm.0.66 ct.
5.75 mm.0.75 ct.
6 mm.0.84 ct.
6.25 mm.0.93 ct.
6.5 mm.1.00 ct.
6.8 mm.1.25 ct.
Round MM Size Round Carat Weight
7 mm. 1.30 ct.
7.3 mm. 1.50 ct.
7.5 mm. 1.67 ct.
7.75 mm. 1.75 ct.
8 mm. 2.00 ct.
8.25 mm. 2.11 ct.
8.5 mm. 2.43 ct.
8.7 mm. 2.50 ct.
9 mm. 2.75 ct.
9.1 mm. 3.00 ct.
9.5 mm. 3.35 ct.
9.75 mm. 3.61 ct.
10 mm. 3.87 ct.
10.25 mm. 4.16 ct.
10.5 mm. 4.41 ct.
10.75 mm. 4.57 ct.
11 mm. 4.91 ct.
11.25 mm. 5.49 ct.
11.5 mm. 5.85 ct.
12 mm. 6.84 ct.
12.25 mm. 7.26 ct.
12.5 mm. 7.36 ct.
12.75 mm. 7.52 ct.
13 mm. 8.51 ct.
13.5 mm. 9.53 ct.
14 mm. 10.49 ct.
15 mm. 12.89 ct.
16 mm. 16.06 ct.

Why Choose Us

Blumoon Diamond has specialized in the diamond industry with the presence worldwide and rich history serving the industry. Blumoon Diamond just does not believe in selling products. Blumoon Diamond shares a path with the client to serve lifelong relationships. Choose blumoon with confidence.

Online Inventory

With our state-of-the-art website. You can search & select Diamond from our inventory. Most of our diamonds also have 360-degree videos.

Local Australian

Blumoon Diamond is a Local Melbourne-based company. Meaning you can visit our office and view our stock in hand from the local office as well.

On Appro Good

All our stock from the Melbourne office is good to go on Appro to jewelry professionals to show their client without committing to buy.

Free Shipping

Free overnight shipping for purchases above $500 AUD to all local orders in Australia

Best Price Guarantee

Blumoon Diamond guarantee the best price in Australia

Browse from our quality diamonds right from your palm.

Blumoon application is available to download.

Available in ios and android.

Get in Touch


227 Collins St, Melbourne VIC 3000, Australia


+61 422 544 693

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