Asscher|Lab Grown|IGI

4.21ct H VS2 Asscher Lab Grown Diamond

EX • H/VS2 • IGI LG575366991

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG575366991

Diamond specifications and retailer prices

From $3,120 USD
£2,457 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,120 USD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 4.21ct lab-grown asscher diamond

This 4.21ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG575366991 or 575366991. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.21
Carat
H
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575366991
Dimensions8.76 × 8.73 × 5.89 mm
L/W Ratio1.00
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
8.76 mm8.73 mm4.21 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575366991
Side View
Table 64.0%Crown 35.4°Girdle: MediumPavilion 42°CuletDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $3,120 USD|Low: $3,120 USD|High: $3,120 USD|Avg: $3,120 USD
September 26, 2026
Diamond Quarter$3,120 USD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
4.21VS2HLG912087N · Oct 29
$3,120 USD
£2,457 GBP
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B+
4.21ct Asscher
$3,120 USD