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 $3,250 USD
As of October 31, 2026
Save $19,981 USD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $31,457 USD 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 31
Current: $31,457 USD|Low: $3,250 USD|High: $31,708 USD|Avg: $20,876 USD|+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$3,250 USD
Retailer 8$18,667 USD
Retailer 6$19,680 USD
Retailer 9$19,690 USD
Retailer 5$20,156 USD
Retailer 4$20,383 USD
Retailer 10$21,882 USD
Retailer 3$23,231 USD
Retailer 7$29,200 USD
MOH London$31,457 USD

37 data points across 10 retailers

8 retailers$3,250 USD to $23,231 USD

A
Cheapest Retailer
-
$3,250 USD
B
Retailer 2
-
$18,667 USD
View
B
Retailer 3
-
$19,680 USD
View
Final sale: no returns
B
Retailer 4
-
$20,156 USD
View
Retailer 5
-
$20,383 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
$23,231 USD
£18,292 GBP
View
Retailer 7
-
$29,200 USD
£22,992 GBP
View
Price under review
Most Expensive
MOH London
LG499115822 · Oct 29
$31,457 USD
£24,769 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $3,250 USDSave up to $19,981 USD

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
$3,250 USD