CaratHunter
Plans
Asscher|Lab Grown|IGI

1.23ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG784623339

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG784623339

Diamond specifications and retailer prices

From HK$3,559 HKD
CA$630 CAD
As of October 30, 2026
Save HK$1,149 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$4,707 HKD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 1.23ct lab-grown asscher diamond

This 1.23ct 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 LG784623339 or 784623339. Listed at 2 retailers as of October 30, 2026, with prices from HK$3,559 to HK$4,707, a HK$1,149 spread on the same certified stone. The Diamond Guys lists it at HK$4,707. 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

1.23
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784623339
Dimensions5.87 × 5.78 × 4.00 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.87 mm5.78 mm1.23 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784623339
Side View
Table 64.0%Crown 38.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$3,559 HKD|Low: HK$816 HKD|High: HK$9,179 HKD|Avg: HK$3,265 HKD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
August 3, 2026
Retailer 5HK$2,133 HKD
Retailer 8HK$2,224 HKD
Retailer 4HK$2,934 HKD
Retailer 1HK$3,559 HKD
Retailer 3HK$3,609 HKD
Retailer 7HK$4,569 HKD
The Diamond GuysHK$4,707 HKD
Retailer 6HK$5,189 HKD
Retailer 2HK$9,179 HKD

40 data points across 9 retailers

2 retailersHK$3,559 HKD to HK$4,707 HKD

B+
Cheapest Retailer
-
HK$3,559 HKD
CA$630 CAD
Most Expensive
B
The Diamond Guys
1958044671 · Oct 30
HK$4,707 HKD
$600 USD
View
1 more retailer has this diamond
Prices start from HK$3,559 HKDSave up to HK$1,149 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.

B+
1.23ct Asscher
HK$3,559 HKD