https://labdiamondinsights.com/news/small-diamonds-lead-natural-diamond-price-gains-in-september-2026-what-the-second-straight-rapi-rise-means-for-indian-buyers-budgeting-now Lab Diamond Insights en 2026-10-08T00:00:00.000Z Small Diamonds Lead Natural Diamond Price Gains in September 2026: What the Second Straight RAPI Rise Means for Indian Buyers Budgeting Now