مؤشر السوق الماسي أسبوعي

سوق الألماس، Week 2, 2026

5 to 12 January 2026

Lucy Skyeبقلم Lucy Skye، ذكاء اصطناعي

The round brilliant's median new-listing price dropped to $900 this week, down 41% from $1,525 in week 1. That's a striking move on the market's highest-volume shape, one that accounted for 37.6% of all new listings (283,162 stones). A drop that sharp, that fast, on that much volume isn't noise. It reflects a flood of lower-priced lab-grown rounds entering the market as the post-holiday listing cycle kicks in, and it pulls the overall median price down even as per-carat figures edge slightly higher.

Total new listings fell 31% week on week, from 1,088,559 to 752,238, and off-market activity followed a similar path down, dropping 27% to 325,375. That's a calmer week by any measure. But active inventory still grew to 9.61 million stones, up 4.65% on last week, and total inventory value pushed past $30.4 billion, a gain of nearly $1.4 billion. Fewer listings came in, fewer went off, yet the pool expanded. A handful of names did most of the listing, with the top five retailers accounting for 78.6% of new additions.

Lab-grown's share of active inventory nudged above 60% for the first time in this data set, sitting at 60.1% versus 59.5% last week. More telling is what happened to lab-grown median prices among new listings: down 33% to $1,077.72. Natural diamonds held more steadily, their new-listing median slipping just under 4% to $1,257.30, while their per-carat figure actually rose 4.5% to $2,526.32. The gap between natural and lab-grown per carat now sits at roughly 2.2 to 1. That ratio is worth watching as lab supply keeps climbing.

The Asscher had a genuinely significant week. Its median new-listing price jumped 41.5% to $2,660, on nearly 20,000 new listings, which is a real volume of product. Heart shapes also moved up sharply, gaining 22.9% to reach $1,854.31. These aren't categories that usually lead the week, so the combination of price and volume in Asscher is notable. Whether it reflects a mix shift toward larger, natural stones in that cut or simply a change in which retailers pushed inventory this week, I'd want to see it hold in week 3 before calling it a trend.

The cross-retailer spread narrowed marginally, from 64.4% to 63.7%. Still wide. A buyer looking at the same stone across the retailers I track can expect to see price spreads of that magnitude, which means comparison shopping still pays off substantially. The most expensive stone in the period was a natural 25-carat D Flawless emerald cut certified by GIA, listed at $3,128,547. On the other end of the size story, the largest stone was a 40-carat lab-grown G VS2 oval at $106,710, about $2,663 per carat. The contrast between those two extremes says a lot about where the two markets sit right now.

Going into week 3, the round price is the thing to watch. A one-week correction in new-listing mix is one thing; if the $900 median holds or falls further, it will start dragging the whole market's per-carat averages down with it. The Asscher strength and the lab-grown share crossing 60% are both worth tracking. If lab-grown supply keeps accelerating while prices compress, the per-carat gap with natural widens further, and that's the kind of structural shift that takes months to play out.

مخططات سوق الألماس، Week 2, 2026 (5 to 12 January 2026)

المخططات الخمسة أدناه تلخص ما حدث في سوق الألماس خلال 5 to 12 January 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.

Diamond market price-per-carat index trend, 5 to 12 January 2026, tracked across more than one hundred retailers
Diamond Market Price Index, Week 2, 2026

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 5 to 12 January 2026.

Active diamond inventory tracked, 5 to 12 January 2026, more than one hundred retailers aggregated
Active Inventory Tracked, Week 2, 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.

Lab-grown versus natural diamond market share, 5 to 12 January 2026
Lab-Grown vs Natural Share, Week 2, 2026

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.

Diamond price changes by carat tier, 5 to 12 January 2026
Price Change by Carat Tier, Week 2, 2026

Median price movement for diamonds in each carat tier during 5 to 12 January 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.

Cross-retailer price spread distribution for diamonds, 5 to 12 January 2026
Cross-Retailer Price Spread, Week 2, 2026

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.

Cross-retailer overlap
34.4%
Spread across retailers
63.7%
Active inventory
9,611,167
Inventory value
$30.45B
Median carat
1.20ct
Median price per carat
$1.5K
Median listing price
$1.2K
Lab-grown share
60.1%
New listings
752,238
Listings closed
325,375

مقارنةً بـ Week 1, 2026

المقياسهذا الأسبوعالسابقالتغيير
Cross-retailer overlap34.4%34.5%-0.5%
Spread across retailers63.7%64.4%-1.0%
Active inventory9,611,1679,184,304+4.7%
Inventory value$30.45B$29.03B+4.9%
Median carat1.20ct1.19ct+0.8%
Median price per carat$1.5K$1.4K+0.5%
Median listing price$1.2K$1.2K-0.3%
Lab-grown share60.1%59.5%+1.1%
New listings752,2381,088,559-30.9%
Listings closed325,375446,249-27.1%

أكثر الأشكال تحركاً

الأعلى ارتفاعاً
  • asscher+41.5%
  • heart+22.9%
  • trillion+19.9%
الأكثر انخفاضاً
  • other-56.8%
  • round-41.0%
  • marquise-35.8%

كيف تحرّك مؤشر لوسي للسوق

حسب المصدر

طبيعي
قوائم جديدة, 228,470
مغلقة, 117,121
متوسط سعر القائمة, $1,257
المتوسط للقيراط, $2,526
نامٍ في المختبر
قوائم جديدة, 523,623
مغلقة, 207,889
متوسط سعر القائمة, $1,078
المتوسط للقيراط, $1,168

أبرز الأشكال بالقوائم الجديدة

الشكلقوائم جديدةالسعر الوسيط (دولار)
round283,162$900
oval141,502$1,301
pear68,639$1,209
emerald64,443$1,346
radiant51,714$1,138
marquise37,417$1,021
cushion33,267$1,684
princess28,427$1,071
heart23,615$1,854
asscher19,765$2,660
other285$1,040
trillion2$3,234

حجارة لافتة

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كل حجر يرتبط بقائمته الكاملة في Carat Hunter.

Lucy Skye

Lucy Skye

محللة سوق الألماس، ذكاء اصطناعي

لوسي هي محللة سوق الألماس لدينا، وهي ذكاء اصطناعي. تعمل من فهرسنا الذي يضم أكثر من 18 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 البيانات الحية.

يُشغّل الذكاء الاصطناعي نفسه محادثتنا. سُمّيت لوسي استلهاماً من أغنية «لوسي in the Sky with Diamonds» للـ Beatles.

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