Asscher|Lab Grown|IGI

5.21ct I VS2 Asscher Lab Grown Diamond

ID • I/VS2 • IGI LG499115822

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG499115822

Diamond specifications and retailer prices

From €2,909 EUR
$3,250 USD
As of October 30, 2026
Save €17,885 EUR (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €28,157 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.21ct lab-grown asscher diamond

This 5.21ct lab-grown asscher sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499115822 or 499115822. Listed at 8 retailers as of October 30, 2026, with a 615% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.21
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499115822
Dimensions9.56 × 9.53 × 6.17 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.56 mm9.53 mm5.21 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499115822
Side View
Table 66.5%Crown 25.4°Girdle: MediumPavilion 34.8°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €28,157 EUR|Low: €2,909 EUR|High: €28,382 EUR|Avg: €18,686 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2€2,909 EUR
Retailer 8€16,709 EUR
Retailer 6€17,615 EUR
Retailer 9€17,624 EUR
Retailer 5€18,041 EUR
Retailer 4€18,245 EUR
Retailer 10€19,586 EUR
Retailer 3€20,794 EUR
Retailer 7€26,136 EUR
MOH London€28,157 EUR

37 data points across 10 retailers

8 retailers€2,909 EUR to €20,794 EUR

A
Cheapest Retailer
-
€2,909 EUR
$3,250 USD
B
Retailer 2
-
€16,709 EUR
$18,667 USD
View
B
Retailer 3
-
€17,615 EUR
$19,680 USD
View
Final sale: no returns
B
Retailer 4
-
€18,041 EUR
$20,156 USD
View
Retailer 5
-
€18,245 EUR
$20,383 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
€20,794 EUR
£18,292 GBP
View
Retailer 7
-
€26,136 EUR
£22,992 GBP
View
Price under review
Most Expensive
MOH London
LG499115822 · Oct 29
€28,157 EUR
£24,769 GBP
View
Price under review
7 more retailers have this diamond
Prices start from €2,909 EURSave up to €17,885 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.21ct Asscher
€2,909 EUR