The Honest Diamond Company | Zcova

The Honest Diamond Company is Here

Founded by 2 brothers, ZCOVA aims to change the diamond industry by educating customers and bringing diamonds back to their commodity price. We advocate ethical business methods, transparency, and customer-first culture.


Responsibly Sourced

ZCOVA diamonds and gemstones are ethically-sourced through the largest suppliers in the world who adhere to the Kimberley Process.

Dual Certificates

LUMOS by ZCOVA Diamonds are guaranteed to have exceptional quality and superior brilliance, with dual certificates from GIA & GemEx.

GIA Graduate Gemologist

Get better diamond recommendations by speaking to our in-house gemologist. Diamond selection service is complimentary.

Bespoke Designs

Customised designs can be created by our in-house jewellery designers at no additional fee.

High-quality Jewellery

Each piece produced by ZCOVA is carefully handcrafted by an expert jeweller to maintain the highest quality.

10x Magnification 360° Video

View the diamond from every angle to accurately examine the cut, symmetry & inclusions before buying.

ZCOVA Engagement Rings

FREE Shipping to Australia

Price Match Guarantee

Secure Payment

Choose from our selection of handcrafted proposal rings or customise your own bespoke ring for free.

Southeast Asia’s first online diamond company with dual certificates

We found a way to guarantee brilliant diamonds! Each LUMOS by ZCOVA Diamond is personally handpicked by our GIA Graduate Gemologist and backed by dual certificates to ensure they meet our strict requirements.



Thousands of happy customers globally including from Australia, UK, Singapore, and Malaysia with a 4.9 star rating. Read their reviews below!

"They were so helpful in helping me to find the best fitted diamond to my budget. I don't doubt for a minute to place order from them and the diamond was so sparkly and has gotten a lot of compliments."

Wee Bon Tay

"Love the ring and the service, great value. Fast respond, excellence service from ZCOVA. Especially Mr Ziyin is a very patient guy, he will listen to all your requests and fullfill you. 5 stars experience!"

Shen Thuu Tay

"The trusted diamond company! Thank you for the wonderful job on my engagement ring. (See ZCOVA's wall for my ROM pic!)"

Cynthia Anne Chew

"I get to know the mechanics and knowledge of diamonds and jewelleries from these 2 brothers. The service was top notch n professional n all my queries was timely answered. Most importantly, the ring was perfect!!"

Chiew Jian How

"Very friendly and attentive staff with very affordable prices without the middlemen. Do give them a try! All diamonds are GIA certified and product qualities are better than your normal retailers."

Lai Yoong Hean

"Received excellent service from Zcova, Stephy. Able to deliver on time even the schedule is tight. Surely will recommend to others."

Rui Peng