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اشترك عبر RSSNaturals Dropped 5% This Week. Lab-Grown Gained.
Natural diamonds dropped 5.3% this week while lab-grown gained 2.8%, pushing the gap wider across every shape. I clarity naturals collapsed across rounds, pears, and cushions, while lab-grown round supply surged 847%. Cross-retailer savings on lab-grown rounds hit 65.8%, making comparison shopping essential.
How We Match Diamonds When Certificate Numbers Are Missing
Certificate numbers make diamond matching trivial. But when retailers strip them, mistype them, or sell uncertified stones, we fall back on a thirteen field gemological fingerprint that identifies the same physical diamond across sites. More than half the stones in our 9.8 million diamond index appear at multiple retailers.
Natural Diamonds Just Had Their Worst Week in Months
Natural diamond prices dropped 5.8% in seven days while lab-grown climbed 2.6%. The biggest natural price drops, widest retailer spreads, and a handful of lab-grown blue pears priced 40% below median make this one of the more interesting weeks for diamond buyers in 2026.
Why Lab-Grown Pear Prices Make No Sense Right Now
Lab-grown pear shapes carry the widest cross-retailer price spread of any diamond category at 113.8%. With volatile subcategories spiking 72% in a week and stones listed below $200, pears reward comparison shopping more than any other shape.
Natural Diamonds Slid Again and Nobody Seemed to Notice
Natural diamond prices fell 5.6% this week across 8.4 million listings while lab-grown climbed 5%. Lab-grown round supply surged up to 826% and cross-retailer spreads on rounds exceeded 240%. Two markets moving in opposite directions, with the gap between them wider than ever.
1.6 Million Matched Diamonds and the Cross-Retailer Price Gap
More than half of all certified diamonds online are listed by multiple retailers at different prices. We matched over five million stones across 110+ retailers and measured the gaps. The spreads are bigger than most buyers expect, especially on lab-grown.
Natural Diamonds Fell 6% While Nobody Was Looking
Natural diamonds fell 5.7% in seven days, with some categories plunging more than 80%. Lab-grown prices bounced 9% but cross-retailer spreads now exceed 100% in key shapes. These opportunities are specific and won't last.
Why Your James Allen Diamond Is Probably Also at Three Other Stores
More than half the certified diamonds in our index appear at two or more retailers simultaneously. We used James Allen as a worked example to show what shared inventory means for the most searched online diamond store and how cross-retailer matching can surface the same stone at a lower price.
Same Diamond, Different Prices
More than half the certified diamonds sold online appear at two or more retailers simultaneously. We fingerprint 9.3 million unique stones across 110+ stores to show you the real price spread on the exact diamond you're considering.
Natural Diamonds Dropped 9% and Lab-Grown Didn't Follow
Natural diamond prices fell 9% this week while lab-grown edged up 1.3%. Lab-grown round supply surged 753%, natural pear prices above 2ct dropped nearly 50%, and cross-retailer spreads on lab-grown pears topped 100%.
Fancy Cut Pricing Reality for Pear, Marquise, Heart, Cushion, and Radiant
Radiant lab-grown diamonds trade at an 85.9% discount to natural. Hearts sit at just 75.8%. Five fancy shapes, five entirely different pricing stories for buyers willing to look past the round brilliant.
Lab-Grown Ovals Just Doubled in Price and Most Buyers Haven't Noticed
Lab-grown oval diamonds in the 1.00 to 1.24 carat range at J to K colour and I clarity have more than doubled in price over thirty days, hitting a median of $2,922. Supply surged 127.8% in the same period. That tension can't last, and buyers who chase this spike are going to regret it.