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Asscher|Lab Grown|IGI

4.21ct E VVS2 Asscher Lab Grown Diamond

ID • E/VVS2 • IGI LG640480751

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG640480751

Diamond specifications and retailer prices

From HK$18,995 HKD
£1,906 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: HK$18,995 HKD 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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG640480751 or 640480751. 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
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640480751
Dimensions8.95 × 8.78 × 5.53 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.95 mm8.78 mm4.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640480751
Side View
Table 65.0%Crown 36.7°Girdle: MediumPavilion 37.5°Culet: NoneDepth 63.0%

Caratlytics Score

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

Last verified: Oct 29
Current: HK$8,599 HKD|Low: HK$8,160 HKD|High: HK$79,006 HKD|Avg: HK$25,349 HKD|+0.8%
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March 25, 2026
Retailer 11HK$8,160 HKD
Retailer 3HK$8,584 HKD
Retailer 1HK$8,599 HKD
Retailer 12HK$9,239 HKD
Retailer 15HK$12,012 HKD
Retailer 9HK$14,954 HKD
Retailer 10HK$17,693 HKD
Retailer 2HK$21,772 HKD
Retailer 7HK$23,435 HKD
Retailer 5HK$26,597 HKD
Retailer 13HK$32,153 HKD
Retailer 8HK$32,183 HKD
Retailer 4HK$42,936 HKD
Retailer 6HK$55,391 HKD
Retailer 14HK$58,137 HKD

53 data points across 15 retailers

1 retailer

B+
Diamond Quarter
4.21VVS2ELG51E9C1N · Oct 29
HK$18,995 HKD
£1,906 GBP
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B+
4.21ct Asscher
HK$18,995 HKD