Knowledge
COMMON MISTAKES TO AVOID WHEN BUYING DIAMONDS
Buying a diamond ring is not just a financial decision—it’s a symbol of love and eternal commitment. However, many people unknowingly make common mistakes that lead to choosing an unsatisfactory ring or overspending. Below are the frequent errors when purchasing a diamond ring and how to avoid them to ensure you own a perfect piece of jewelry.
NOT CHECKING GIA CERTIFICATION
The GIA (Gemological Institute of America) certification is the “passport” that guarantees the quality and origin of natural diamonds. A GIA-certified diamond provides assurance about its clarity, color, and cut, protecting you from the risk of buying substandard or overpriced stones. Yet, many overlook this crucial step, resulting in diamonds that don’t meet their expectations.
Tip: Always request to see the GIA certificate before purchasing. If a store doesn’t provide one, it’s a red flag to look for a more reputable option—like Leman Jewelry, where all diamonds are GIA-certified.
NOT UNDERSTANDING THE 4CS OF DIAMONDS
The 4Cs—Carat (weight), Cut (shape and quality), Color, and Clarity—are the “compass” for evaluating diamonds. Many buyers focus solely on carat weight while neglecting the other factors. In reality, a 1-carat diamond with a poor cut will sparkle far less than a perfectly cut 0.8-carat stone.
Tip: Research the 4Cs thoroughly before buying. Consider a balance between these elements to select the most beautiful diamond within your budget. At Leman Jewelry, the consulting team will guide you through each criterion to optimize your choice.

CHOOSING A RING STYLE THAT DOESN’T SUIT YOUR HAND
Not every diamond ring style complements every hand shape. This is one of the most overlooked mistakes when buying diamonds:
- Small, slender hands: Thin rings with oval or round diamonds create a balanced look.
- Large hands, short fingers: Rectangular (emerald) or teardrop-shaped diamonds elongate the fingers.
- Thin, bony hands: Wide bands or designs with accent diamonds add fullness and prominence.

FOLLOWING TRENDS OVER PERSONAL STYLE
Many people get swept up in “trendy” diamond ring designs, forgetting that they may not suit their long-term taste. A bold or intricate ring might look stunning now but may not remain appealing in 5 or 10 years.
Tip: Prioritize a ring that reflects your aesthetic and personality rather than just chasing trends. A classic, refined design with natural diamonds from Leman Jewelry will retain timeless value.

LEMAN JEWELRY – A TRUSTED DESTINATION FOR THE PERFECT DIAMOND RING
To avoid the mistakes above, choosing a reputable brand is key. Leman Jewelry, led by founder Ngọc Đoàn—a GIA (USA) graduate with over four years of experience at the institute—is an ideal destination for those seeking quality diamond rings. Since returning to Vietnam and establishing Leman in Ho Chi Minh City, Ngọc Đoàn has poured her passion into every design, committing to GIA-certified natural diamonds to ensure absolute confidence in quality and value.
At Leman Jewelry, you’ll not only find exquisite diamond rings but also receive dedicated guidance to steer clear of purchasing pitfalls. With a team of artisans boasting over 40 years of experience, Leman guarantees each diamond is flawlessly crafted, from its cut to its brilliance.
Buying a diamond ring is a meaningful journey, and avoiding common mistakes will help you own a piece that’s not only beautiful but also worth the investment. Arming yourself with knowledge about GIA certification, the 4Cs, suitable styles, and choosing a trusted name like Leman Jewelry is the best way to make this decision a fulfilling experience.
Contact Leman Jewelry now
- Address: 201 Ly Tu Trong St., Ben Thanh Ward, District 1, HCMC.
- Hotline: 0909 977 124