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Asscher|Lab Grown|IGI

1.09ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG845650120

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG845650120

Diamond specifications and retailer prices

From HK$1,200 HKD
$153 USD
As of October 30, 2026
Save HK$3,585 HKD (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$4,786 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG845650120 or 845650120. Listed at 3 retailers as of October 26, 2026, with prices from HK$1,200 to HK$4,786, a HK$3,585 spread on the same certified stone. Brilliant Earth lists it at HK$4,786. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845650120
Dimensions5.70 × 5.69 × 3.68 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.70 mm5.69 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845650120
Side View
Table 63.0%Crown 35.4°Girdle: MediumPavilion 39.4°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: HK$4,786 HKD|Low: HK$1,200 HKD|High: HK$4,786 HKD|Avg: HK$3,173 HKD
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 2HK$1,200 HKD
Retailer 3HK$2,361 HKD
Brilliant EarthHK$4,786 HKD

11 data points across 3 retailers

3 retailersHK$1,200 HKD to HK$4,786 HKD

A
Cheapest Retailer
-
HK$1,200 HKD
$153 USD
Final sale: no returns
A
Retailer 2
-
HK$2,361 HKD
£237 GBP
View
Most Expensive
B
Brilliant Earth
22150109A · Oct 26
HK$4,786 HKD
$610 USD
View
2 more retailers have this diamond
Prices start from HK$1,200 HKDSave up to HK$3,585 HKD

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
1.09ct Asscher
HK$1,200 HKD