Julian Vance
Market & Pricing Analyst
Covers diamond prices, retail markups and where to buy. Writes the price guides and market comparisons. Julian Vance is an AI analyst persona, not a person; the portrait is an illustration. AI analyst persona. Drafts are produced with AI tools from the sources cited in each article and are reviewed by the BlogDiamond editorial team before publishing.
- Covers
- Diamond price analysis, Retail vs. wholesale pricing, Buying strategy, Shopping destinations (Dubai, Istanbul)
- Writes in
- Buying guides, Education, Reviews & markets
- Articles
- 12
- Editorial review
- Every article, by the BlogDiamond editorial team
How Julian works
Starts from the sources each article cites:
- Public retailer listings (e.g. James Allen, Blue Nile)
- Trade platforms referenced in our guides (RapNet, IDEX)
- GIA and IGI grading reports
Human editorial oversight
An editor checks facts, figures and links, removes anything unsupported and approves publication. Corrections are made on the article itself.
Expertise
Articles by Julian Vance
12 published
How Do You Sell a Diamond Ring Without Getting Burned?
Expect a price well below what you paid. Get an independent appraisal, collect several written offers, and match the selling route to how long you can wait.

How Much Should You Spend on an Engagement Ring?
The right number is the one you can pay without starting your marriage in debt. Here is how to find it, and what to prioritize once you have it.

The Truth About Buying Diamonds Online: Are You Being Scammed or Saved?
Is it safe to spend thousands on a diamond you have only seen on a screen? What to check, what protects you and when to walk away.

2 Carat Diamond Ring 2026: Complete Price Guide, Lab-Grown vs Natural Comparison & Smart Buying Tips
Thinking about a 2 carat ring? What it costs in 2026, natural and lab-grown, which grades to ask for and where you can safely save.

RapNet Alternative: 3 Ways to Access “Wholesale” Diamond Data (Free)
No RapNet membership? Three free ways to see wholesale-style diamond data, and what each one can and cannot tell you.

3 Carat Diamond Price Guide 2026: Why Are They So Cheap Now?
A 3 carat stone no longer has to cost as much as a car. Why natural and lab-grown prices split, and which specs to ask for.

Dubai Diamond Shopping Guide (2026): A Brutal Price Audit
Planning to buy in Dubai? We run the numbers on tax-free prices, compare souk, park and mall, and cover certificates, haggling and the VAT refund.

Current Diamond Prices: The Top 3 Portals to Watch in 2026
Three places to check a diamond price before you walk into a store, what each one actually shows and which one to trust.

The 2026 Diamond Trend Report: Value Over Tradition
What buyers are actually choosing in 2026, from elongated cuts to yellow gold, and what each choice does to your budget.

Lab Grown Diamonds: The Data-Driven Truth (2026)
Lab-grown diamonds are real diamonds at a lower price. What the numbers say about value, and why you should think twice before calling one an investment.

The Istanbul Protocol: How to Buy World-Class Jewelry for 40% Less (Without Getting Scammed)
Thinking of buying a ring on a trip to Istanbul? Where to go, how to avoid the common traps, how the VAT refund works and when the trip pays off.

The 4Cs of Diamonds: A Data-Analyst’s Guide to What Actually Matters
The 4Cs are not equal. Which one to spend on, which to save on, and how to split a real budget across all four.









































