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About Kindness First

Crafted with Precision, Designed with MeaningAt Lianyungang Kindnessfirst Jewelry Co., Ltd,we create fine jewelry that balances brilliance, craftsmanship, and modern design.

Based in Lianyungang, a key center for lab-grown gemstones,we specialize in moissanite and lab-grown diamond jewelry, crafted to meet global standards.

💎Our Craft

Every piece begins with carefully selected stones and precise cutting.
We focus on maximizing fire and clarity through advanced techniques, including:

✅Classic cuts such as Round Brilliant, Oval, Emerald
✅Vintage-inspired styles like Old European Cut (OEC)
✅Modern finishes including Radiant and Ice Crushed


Our jewelry is crafted in 10K / 14K / 18K gold and sterling silver,
with attention to setting, polishing, and durability in every detail.

✏️Made for You

Jewelry is personal — and so is our process.

We offer flexible customization, from CAD design to final production,
supporting both single-piece orders and bulk production.

Each piece is made with precision, ensuring consistency, comfort, and lasting shine.

🤝Our Promise

Guided by “Kindness First”, we are committed to:

✅Reliable quality
✅Efficient production
✅Clear communication

We believe great jewelry is not only about appearance,
but also about trust, detail, and long-term value.

Kindness First Jewelry Factory Co., Ltd. ,about us

Company Advantage

Customized On Demand:You provide the design, and we generally will give you a solution in 1 working day.
Great support:The staff you interface with are experienced and certified in their English language skills. 24/7 One-on-one service.
* Quality Guaranteed:All lab diamonds with IGI certificate, and all our products get more than 5 times quality tested before shipping to customer’s hand.
* Lifetime warranty:We provide a Lifetime Warranty that applies to your purchase of fine jewelry and diamonds.
Fast and safe shipping:1-2working days for stock. Shipping by express for 3-7days! We will follow the shipping information, then will remind the customers to receive the package.
* 99% 5-Stars Feedback From Alibaba end customers! Excellent Customer Comment in Reddit and Wedding bee/Price Scope!
KF-Jewelry-TeamPhoto

Diamond Factory Pictures

They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets. They are now widely exporting to 30 countries. All our stones are handmade cut and polished by workers with more than 5 years of experience, and each stone is fine crafted in a dozen steps to make it transparent, brilliant and sparkling.

With over 20 years of experience
We are able to respond to acute market trend by conducting feasible industry anaysis. When new...
We have a professional team
Our team consists of three department, namely Design Department, R&D Department, and Production...
ABOUT JEWELRY FACTORY

We aim to not just be your supplier, but your long-term partner.

Located in the bustling city of Guangzhou, China, Tianyu Jewelry is a one-stop shop for all your custom jewelry needs. From conception to completion, their experienced team of craftsmen and designers handle every step of the production process. All design and production is completed in-house, thus your designs will be strictly protected & kept confidential. We tailor custom jewelry designs to the client’s needs on an order by order basis.

 We take great pride in offering our customers a wide range of stunning and unique jewelry options, all created with the highest level of care and attention to detail. Whether you are looking for a timeless engagement ring or a modern statement piece, our commitment to quality and customer satisfaction is evident in everything we do.

What our clients say​​​​​​​

We have served over 50,000 customers from all over the world, with over 99% positive feedbacks

Leave A Message

The first thing Tianyu Gems lab grown diamond manufacturers do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.