Our Professional ExpertiseExpertise at Vieth & Qabil


At Vieth & Qabil, we pride ourselves on a dedicated team of gemstone specialists. Every week, our experts convene to analyze the latest market trends and deliver precise, up-to-date assessments on investment diamonds. This ongoing, rigorous evaluation ensures that our clients always receive the highest level of professional expertise and secure guidance for their investments.


To ensure the utmost accuracy in our valuations, our expert team grounds every assessment in comprehensive market data. We meticulously analyze both current and historical official diamond price lists. By continuously tracking and evaluating these trusted industry sources over time, we provide our clients with transparent, highly reliable insights into the true, long-term value of their investments.

Timeless colors and cuts


Not all diamonds offer the same financial potential. Our expert team strategically curates our portfolio by selecting only those specific colors and diamond cuts that are proven to be value-stable or have a strong history of appreciation. By focusing on these enduring and highly sought-after characteristics, we ensure that your investment is built on assets designed for maximum resilience and long-term growth.