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Asscher|Lab Grown|IGI

3.09ct E SI2 Asscher Lab Grown Diamond

ID • E/SI2 • IGI LG666440319

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG666440319

Diamond specifications and retailer prices

From HK$8,695 HKD
£873 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: HK$8,695 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 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666440319 or 666440319. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.09
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666440319
Dimensions8.20 × 8.08 × 5.15 mm
L/W Ratio1.01
Top View
8.20 mm8.08 mm3.09 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666440319
Side View
Table 68.0%Crown 34.7°Girdle: MediumPavilion 39°Culet: NoneDepth 63.7%

Caratlytics Score

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

Last verified: Oct 31
Current: HK$4,975 HKD|Low: HK$2,784 HKD|High: HK$31,697 HKD|Avg: HK$14,285 HKD|-18.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
March 24, 2026
Retailer 2HK$2,793 HKD
Retailer 4HK$4,182 HKD
Retailer 1HK$4,975 HKD
Retailer 3HK$31,147 HKD

32 data points across 4 retailers

1 retailer

B+
Diamond Quarter
3.09SI2ELG19D7C8N · Oct 31
HK$8,695 HKD
£873 GBP
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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.

B+
3.09ct Asscher
HK$8,695 HKD