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25.95$
12.98$
Quantity:
1
Availability:
Color
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Easy return
Reliable Shipping

Logistics and service upgrades
1. For US customers more than $1000 orders, we support free upgrade to DHL or FEDEX express.
2. For orders from South African customers, we support shipping through Bufflo express, and the delivery date only needs about 15-20 days
3. For orders from customers in Nigeria and other countries, we support delivery to warehouse in China, usually Guangzhou city.
4. For orders from customers in Morocco and Colombia, we support DDP shipment.
5.For orders from customers in Hong Kong, we support shipping through SF express, about 3-5 days.
6.For customer Inquiry and ask for a price, we will answer your questions concisely and directly, to save your time.
7.For wholesale customer orders, we will check one by one, sort the packaging, to save your time.
8. We have a experienced packaging and shipping team, please rest assured, we will sort the products neatly to save space and make the parcel smaller and stronger.
The 4C

A diamond, a certificate, a waist size, every diamond is unique
Each diamond is certified, and information about each diamond can be found on the website


Product Show






Small size lab grown diamond:0.8mm~3mm








Excellent Cut : 8 Hearts 8 Arrows


About COSFIX Jewelry Company
COSFIX was established in 2010, from 4 people at the beginning to more than 30 people now.
We used to produce handmade jewelry, copper alloy jewelry and cubic zirconia jewelry, now we focus on moissanite and S925 silver jewelry, but also undertake solid K gold customization business.


Custom Made Jewelry



Certificates and Patents

Sufficient stock


Advanced equipment


Workshop environment



Customer Reviews
80 ratings
fast delivery (4)
excellent communication (3)
high-quality (3)
stunning stone (3)
perfect (3)
beautiful (3)
Customer photos (9)
P***e
July 27, 2026
Variant: Color:HPHT-0.3CT-D-VS1
Beautiful stone. Passed two different diamond testers and has the number ingraved. The IGI number is valid. Perfect, thank you.
Buyer from Australia
June 26, 2026
Variant: Color:3.0mm-10pcs-no IGI
Lovely, thank you.
Buyer from Australia
June 26, 2026
Variant: Color:2.0mm-10pcs-no IGI
Lovely, thank you.
Buyer from Australia
June 7, 2026
Variant: Color:CVD-0.3CT-D-VS1
Absolutely beautiful, I have ordered more in various sizes. Thank you, Aldo.
Buyer from Australia
June 7, 2026
Variant: Color:0.9mm-10pcs-no IGI
Nice sparkle. Smaller that I thought they'd be but that's on me as they are genuinely 0.9mm which is what I ordered. The sparkle from 0.3ct that I ordered with it is absolutely stunning, so I'm very happy all round. Thank you, Aldo.
Buyer from Japan
May 26, 2026
Variant: Color:HPHT-0.53CT-D-VVS2
It arrived properly.
Translated by AliExpress ·
COSFIX 0.3-5ct Round Lab Grown Diamond HPHT IGI Certificate 3EX D/F Color VVS1 Clarity Diamond Gems
25.95$
12.98$
Quantity:
1
Availability:
Color







