DESIGN YOUR
OWN ENGAGEMENT RING
Diamond Circle, Hong Kong's Largest Artificial Diamond Chain Store
Our cultivated diamond brand was established in 2020 with the aim of promoting eco-friendly and ethically sourced lab-grown diamonds. We have stores in both Hong Kong and Kowloon, making it convenient for the public to purchase their favorite cultivated diamonds and various styles of artificial diamond rings. All the artificial diamonds sold by our brand are certified by internationally renowned appraisal organizations such as GIA and IGI. The staff at our Hong Kong artificial diamond company possess extensive knowledge of cultivated diamonds and experience in diamond appreciation, providing professional and thoughtful guidance from basic to advanced levels, allowing you to gain a deeper understanding of artificial diamonds. In addition, we exclusively represent three Japanese and one Korean ring brands, whose designs are not only unique but are also meticulously handcrafted by local artisans. We are committed to sourcing only high-quality artificial diamonds, with each cultivated diamond carefully selected by experts to meet stringent 4C standards. Moreover, all lab-grown diamond rings sold by Diamond Circle come with a lifetime warranty, ensuring our customers in Hong Kong have full confidence in their purchase. Our pricing is transparent, and customers can always check prices on our official website's price list for cultivated diamonds or contact our Hong Kong lab-grown diamond staff for the relevant pricing information. Our excellent service and lab-grown diamond products earned the company the 2023 Annual Excellence in Innovation Award, making us the most outstanding premium cultivated diamond brand in Hong Kong for the year.
Colored Diamond Series
Colored Diamond Series
Lab-grown diamonds: sustainable and more ethical
Diamond Circle provides sustainable lab-grown diamonds for the future of jewelry, possessing the same physical, chemical, and optical properties as mined natural diamonds. Consulting firm Frost & Sullivan found that the waste produced from mining natural diamonds is 4,383 times greater than that produced in laboratory-created gemstones. Many synthetic diamond labs use clean, renewable energy. Lab-grown diamonds are not only more environmentally friendly but also produced faster and with higher ethical standards compared to natural diamonds. As the name suggests, lab-grown diamonds are artificial diamonds created in a laboratory. There are two methods to manufacture synthetic diamonds: High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD). Simply put, scientists replicate the natural growth environment of diamonds using high temperature and high pressure to form synthetic diamonds. Like traditional mined diamonds, each lab-created diamond is unique, and all synthetic diamonds meet the 4C standards of diamonds. Producing high-quality synthetic diamonds requires professional knowledge, scientific expertise, and calibrated, stable equipment. Additionally, the price of lab-grown diamonds is only 10% of natural diamonds, allowing you to purchase lab-grown diamond rings with higher clarity, larger carat, and perfect cut at a more reasonable price than natural diamonds.
Design Your Ring Engagement Rings Looking for the perfect wedding ring in your mind? Diamond Circle, the largest lab-grown diamond brand in Hong Kong, offers a wide range of lab-grown diamond engagement rings. Our professional advisory team can assist you in selecting the most suitable synthetic diamond ring according to your budget and preferences. The ring setting material and diamond setting style can be customized to your liking. Explore our lab-grown diamond engagement ring collection now!
Let Diamond Circle Add Sparkle to Your Life Cultured Gems A wide variety of uniquely styled lab-grown gemstone jewelry, our colored gem series can be customized according to your personal preferences. Choose your personalized gemstone jewelry now!
Explore Diamond Circle's Unique Designs to Grace Your One-of-a-Kind Love Story Wedding Rings Looking for the perfect wedding ring in your mind? Diamond Circle, the largest lab-grown diamond brand in Hong Kong, offers a wide range of lab-grown diamond engagement rings. Our professional advisory team can assist you in selecting the most suitable synthetic diamond ring according to your budget and preferences. The ring setting material and diamond setting style can be customized to your liking. Explore our lab-grown diamond engagement ring collection now!
Free Shipping
For orders of $1,000 or more
Lifetime Warranty
Free engraving, free resizing, free refurbishing, etc.
Lifetime Diamond Upgrade
For details, please visit our store or contact customer service
About Lab-Grown Diamond Rings and Jewelry - Frequently Asked Questions
1. Why choose lab-grown diamonds?
First of all, lab-grown diamonds have the same physical, chemical, and optical properties as natural diamonds, and even experts cannot distinguish them with the naked eye, so lab diamond rings have the same sparkling beauty. Secondly, many laboratories that cultivate artificial diamonds use clean, renewable energy, making the manufacturing process relatively environmentally friendly. Moreover, lab diamonds can be produced faster and more ethically than natural diamonds, aligning better with the concept of sustainable development, which is why they are also called 'green diamonds.' Additionally, lab-grown diamonds are more affordable compared to natural diamonds. With a lower budget, you can purchase a lab diamond ring that is larger in carat, higher in clarity, and perfectly cut, which can save a considerable amount of money. Therefore, more and more people are choosing lab-grown diamond rings.
2. What is the difference between lab-grown diamonds and natural diamonds?
Lab-grown diamonds have the same physical, chemical, and optical properties as natural diamonds, and they look almost identical. However, the place where diamonds are formed is different. Natural diamonds are formed deep within the Earth over hundreds of millions of years through high-temperature and high-pressure geological processes, whereas lab-grown diamonds are created in a controlled laboratory environment by simulating the natural high-temperature and high-pressure conditions. This manufacturing process allows lab-grown diamonds to have a shorter production cycle and more controllable quality. The difference between lab-grown diamonds and natural diamonds is like that between cultured pearls and natural pearls; they have the same composition, but are formed in different places.
3. Where do synthetic diamonds come from?
Lab-grown diamonds are created through chemical or physical processes in a controlled environment. One common method is Chemical Vapor Deposition (CVD). In the CVD production process, carbon-containing gas is used as the raw material, and through chemical reactions at high temperatures, carbon atoms are deposited onto diamond seeds, gradually growing into complete diamond crystals, forming synthetic diamonds.
4. Are lab-grown diamonds real diamonds?
Lab-grown diamonds are 100% real diamonds, with the same crystalline structure and chemical composition. Synthetic diamonds are identical to natural diamonds in physical and chemical properties, and cannot be distinguished with the naked eye. Therefore, lab-grown diamonds are recognized as genuine diamonds and are considered a viable alternative to natural diamonds in the jewelry market. The FTC (Federal Trade Commission) states: 'Synthetic diamonds have the same optical, physical, and chemical characteristics as mined diamonds.' As a result, lab-grown diamonds are regarded as 'real diamonds' in both Hong Kong and internationally.
5. What is the difference between synthetic diamonds and imitation diamonds?
Cultivated diamonds and diamond simulants (such as moissanite and cobaltite) can be distinguished with the naked eye. Man-made diamonds have the same crystal structure and chemical composition as natural diamonds, whereas simulants are made from other materials and do not possess the characteristics of diamonds. On the other hand, man-made diamonds are similar to natural diamonds in hardness, refractive index, and optical properties, while simulants cannot have these features. The relationship between natural diamonds, lab-grown diamonds, and simulants is similar to that between natural pearls, cultured pearls, and plastic pearls.
6. Do laboratory diamonds come with internationally recognized certificates?
Yes, lab-grown diamonds also come with internationally recognized GIA/IGI certificates. They provide specialized laboratory diamond certificates to verify the quality and authenticity of synthetic diamonds. These certificates include the 4Cs grading of the diamond: carat, color, clarity, and cut. Each lab-grown diamond has a report number engraved on the girdle using a laser. All certified synthetic diamonds can be verified on the GIA/IGI website using the report number. These certificates offer consumers credibility regarding the quality of lab-grown diamonds, boosting confidence in purchasing lab-grown diamond rings and jewelry.
7. How to distinguish between lab-grown diamonds and natural diamonds?
The primary method to distinguish synthetic diamonds is through professional gemological institutions that conduct evaluations and issue certificates. These institutions use advanced technologies and instruments to examine the physical and chemical properties of diamonds to determine the origin and authenticity of lab-grown diamonds. In addition, laboratory diamonds are often inscribed with identification marks on the girdle to differentiate them from natural diamonds. Because synthetic diamonds have chemical and optical properties virtually identical to natural diamonds, traditional gemological identification methods, such as diamond testers, cannot detect the differences. Certification must be carried out in highly specialized gemological laboratories using very precise equipment.
8. Are laboratory-grown diamonds highly recognized in Hong Kong and internationally?
Lab-grown diamonds are highly recognized, with multiple international organizations acknowledging their quality. Many well-known international jewelers also use lab-grown diamonds to create high-end jewelry and have added sub-brands focused on synthetic diamonds. In Western countries, lab-grown diamonds have been popular for quite some time because brands featuring synthetic diamonds are supported and praised for their sustainability. Lab-grown diamonds are also becoming increasingly popular in Hong Kong, and the market for lab-grown diamonds in Hong Kong is steadily growing. Nowadays, many younger people choose lab-grown diamond rings for engagements.
9. Are all lab-grown diamonds the same?
Every lab-grown diamond is unique because it depends on its manufacturing process and the skill of the maker. Customers can choose a lab-grown diamond that suits their preferences and budget, and then pair it with a lab-grown diamond ring design to create the perfect lab-grown diamond ring.
