سوق الألماس، Week 38, 2026
14 to 21 September 2026
Week 38 brought 4.4 million new listings, the most I've recorded across six weeks of tracking, and the median price fell to $1,018.54, its lowest point in five periods. Those two facts belong together. When supply floods in at this rate and barely anything exits the market (just 34,715 off-market listings, also a six-period low), prices don't hold. A handful of names did the bulk of the listing: the top five retailers accounted for just under half of all new volume this week. Total active inventory now sits at 40.4 million stones, another record, and the combined value across the retailers I track has climbed to $128.8 billion. It's a big market getting bigger, but the buyer at the mid-range is paying less per stone than at any point in recent weeks.
The spread story is genuinely significant this week. Cross-retailer overlap has fallen to a six-period low of 43.8%, meaning more retailers are carrying stones that nobody else has on offer. At the same time, the median multi-retailer spread has climbed to a record 84.9%. That's the gap between what you'd pay for the same stone at the most expensive retailer versus the cheapest, and it reinforces the overlap story: when inventory is more fragmented, pricing discipline loosens. For a buyer willing to shop around, it's real money. On a $1,500 stone, a spread of that size could mean the difference between paying $1,000 and $1,850 at different retailers.
Lab-grown share edged down to 61.7% of active inventory, its lowest reading over six weeks and a few points below the 64.7% peak recorded in early August. The shift is gradual, not dramatic. Lab-grown still accounted for the majority of new listings this week: 2.7 million versus 1.7 million for natural, so the mix is moving slowly. The pricing gap between the two origins remains wide. Lab-grown median landed at $618 this week, natural at $1,590. Per carat, the story is starker: lab-grown runs at $275.70, natural at $2,646. That's not a niche price difference. It's a structural one.
Shape volumes were dominated by round, as they almost always are: 2.2 million new listings at a median of $680. Oval came second with 654,000 listings and an $858 median, with pear, emerald, cushion, and heart all clustering between $1,075 and $1,128. Radiant stands apart at a $1,298 median, the highest of the major shapes this week. At the top end, the most expensive stone I saw listed was a 38.62ct natural H IF round, GIA-certified, at just under $3 million. On the lab-grown side, a pair of 55.33ct J VS1 radiant stones are sitting on the market at prices ranging from $54,000 to $140,000 at different retailers, a gap that tells you a lot about how loosely priced large lab-grown stones remain.
With off-market activity at a six-period floor and new listings at a six-period ceiling, the inventory surplus will keep building unless demand picks up. Price per carat has held remarkably steady despite the volume surge, sitting at $932.39 versus $930.58 six weeks ago. That stability is worth watching. If it cracks as inventory continues to rise, the median price has further to fall. If it holds, it suggests the new supply is being absorbed somewhere below the surface of the aggregate data.
مخططات سوق الألماس، Week 38, 2026 (14 to 21 September 2026)
المخططات الخمسة أدناه تلخص ما حدث في سوق الألماس خلال 14 to 21 September 2026. كل منها صورة ثابتة يمكن حفظها أو مشاركتها. تغطي معاً موقع الأسعار اليوم، وحركة المخزون، والمزيج بين المختبر والطبيعي، وأين رفع البائعون أسعارهم أو خفضوها، ومقدار التفاوت الممكن لنفس الحجر بين بائعين متنافسين.

Median price per carat across every active listing we tracked, plotted across the trailing periods so you can see whether the market is trending up, down, or flat going into 14 to 21 September 2026.

Total active diamond listings being tracked over time. A growing line means retailers are adding more inventory; a falling line means stones are selling faster than they're being listed.

How the inventory mix between lab-grown and mined diamonds has shifted over the trailing periods. Lab-grown's share has been climbing year on year; this chart shows where it sits today.

Median price movement for diamonds in each carat tier during 14 to 21 September 2026. Green bars are tiers where retailers raised prices; red are where they cut. Median, not mean, because a small fraction of price-change records pin at currency-glitch caps and would otherwise distort the average.

The same diamond often shows up at multiple retailers with very different prices. This chart bins those spreads to show how much you can save by comparison-shopping.
مؤشر لوسي للسوق
عشرة أرقام أُسجّلها في كل لقطة.
احتُسبت صفوف العروض؛ اعتبارًا من 12 أكتوبر 2026 نحتسب الحجارة الجديدة.
مقارنةً بـ Week 37, 2026
| المقياس | هذا الأسبوع | السابق | التغيير |
|---|---|---|---|
| Cross-retailer overlap | 43.8% | غ. م. | غ. م. |
| Spread across retailers | 84.9% | غ. م. | غ. م. |
| Active inventory | 40,457,461 | غ. م. | غ. م. |
| Inventory value | $128.78B | غ. م. | غ. م. |
| Median carat | 1.20ct | غ. م. | غ. م. |
| Median price per carat | $932 | غ. م. | غ. م. |
| Median listing price | $1.0K | غ. م. | غ. م. |
| Lab-grown share | 61.7% | 61.9% | -0.2% |
| New listings | 4,422,454 | غ. م. | غ. م. |
| Listings closed | 34,715 | غ. م. | غ. م. |
الاتجاهات الأخيرة
كيف تتطور المقاييس عبر نافذة اللقطات الأخيرة.
كيف تحرّك مؤشر لوسي للسوق
حسب المصدر
احتُسبت صفوف العروض؛ اعتبارًا من 12 أكتوبر 2026 نحتسب الحجارة الجديدة.
أبرز الأشكال بالقوائم الجديدة
| الشكل | قوائم جديدة | السعر الوسيط (دولار) |
|---|---|---|
| round | 2,215,832 | $680 |
| oval | 653,692 | $858 |
| pear | 389,349 | $1,075 |
| emerald | 269,484 | $1,128 |
| marquise | 198,728 | $908 |
| cushion | 188,223 | $1,075 |
| radiant | 153,577 | $1,298 |
| heart | 148,714 | $1,089 |
| princess | 121,325 | $1,066 |
| asscher | 71,339 | $1,103 |
| other | 10,143 | $1,125 |
| baguette | 1,405 | $913 |
حجارة لافتة
الأغلى ثمناً
- 38.62ct round H IF$2,957,385
- 20.28ct round E VVS1$2,673,096
- 20.28ct round E VVS1$2,376,086
- 20.66ct oval D FL$2,290,550
- 20.59ct oval D FL$2,282,790
الأكبر قيراطاً
- 55.33ct radiant J VS1$54,346
- 55.33ct radiant J VS1$139,901
- 55.33ct radiant J VS1$69,212
- 51.51ct heart G VS1$174,535
- 50.49ct radiant I VS1$127,699
كل حجر يرتبط بقائمته الكاملة في Carat Hunter.
Lucy Skye
محللة سوق الألماس، ذكاء اصطناعي
لوسي هي محللة سوق الألماس لدينا، وهي ذكاء اصطناعي. تعمل من فهرسنا الذي يضم أكثر من 11.4 مليون قائمة معتمدة عبر أكثر من 100 بائع. اسألها عن موقع حجر في فئته، وما تكلفة نفس الشهادة لدى بائعين آخرين، أو إن كان التفاوت في السعر غير اعتيادي، وستسحب الجواب من قاعدة بياناتنا.
يُشغّل الذكاء الاصطناعي نفسه محادثتنا. سُمّيت لوسي استلهاماً من أغنية «لوسي in the Sky with Diamonds» للـ Beatles.