Premium Diamond Guide & Solutions for Global Businesses
Trusted Sourcing • Expert Consultation • Ethical Assurance
The Diamond Guide helps jewelry brands, manufacturers, and trade partners source high-quality diamonds with confidence. With transparent processes and ethical sourcing, we provide reliable grading, custom sourcing, and professional consultation. Selecting, grading, and sourcing diamonds has never been easier.
Lab Grown Diamond Wholesale Prices in 2026
Explore the key factors shaping lab grown diamond wholesale prices in 2026, from changing market conditions to buying strategies that can help businesses make smarter and more informed sourcing decisions.
Why Colored Lab Grown Diamonds Are the Big 2026 Trend
Discover why fancy color lab grown diamonds are gaining attention in 2026 and how their growing appeal is creating new opportunities for retailers, manufacturers, and buyers beyond traditional white diamonds.
Sourcing Melee Diamonds the Easy Way: Assorted Stock, Sample-First Ordering
Learn how assorted stock and sample-first ordering can make melee diamond sourcing simpler, more flexible, and less risky for manufacturers and retailers testing new jewelry designs or managing lean inventory.
How to Vet a Lab Grown Diamond Supplier Before You Order
Before placing an international diamond order, discover the key factors buyers should check to evaluate a supplier’s credibility, reduce sourcing risks, and build greater confidence in the transaction.
Old European vs Old Mine Cut: What's the Real Difference?
Understand the key differences between Old European and Old Mine cut diamonds, including their shapes, faceting styles, brilliance, and distinctive antique character that continues to attract vintage-inspired jewelry buyers.
What Is a Portuguese Cut Diamond? The 161-Facet Difference
Take a closer look at the Portuguese cut diamond and its remarkable 161-plus facets, exploring how its unusual complexity creates a distinctive appearance compared with more traditional diamond cuts.
Escrow vs Letter of Credit: Choosing Payment Terms for International Diamond Orders
Compare escrow and Letter of Credit payment methods for international diamond transactions and understand how each approach can help buyers and suppliers manage payment, delivery, and transaction risks.
CVD vs HPHT Diamonds: What B2B Buyers Need to Know
Understand the practical differences between CVD and HPHT lab grown diamonds and the factors B2B buyers should consider when evaluating growth method, sourcing requirements, quality, and product suitability.
Melee Diamonds 101: How Manufacturers Actually Calculate Stone Count and Cost
Learn how manufacturers calculate melee diamond quantities, carat weight, stone count, and sourcing costs, giving buyers a clearer understanding of the numbers behind small-diamond requirements for jewelry production.
Why We Certify Exclusively Through IGI
Discover why IGI certification is used for our lab grown diamonds and how certification helps provide buyers with greater transparency, consistent grading information, and confidence when evaluating diamond quality.
Why Surat Is the World's Lab Grown Diamond Manufacturing Hub
Discover how Surat developed into a major global center for lab grown diamond manufacturing and why its manufacturing ecosystem can matter to businesses looking for reliable international diamond sourcing.
How to Price Lab-Grown Diamond Jewelry for Retail
Learn how to price lab grown diamond jewelry for retail by understanding diamond costs, manufacturing expenses, margins, and market factors that can help businesses set competitive and profitable retail prices.