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1.23ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG488153826

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488153826

Diamond specifications and retailer prices

From HK$1,859 HKD
$237 USD
As of October 30, 2026
Save HK$7,068 HKD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$8,928 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488153826 or 488153826. Listed at 8 retailers as of October 29, 2026, with prices from HK$1,859 to HK$8,928, a HK$7,068 spread on the same certified stone. MOH London lists it at HK$8,928. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488153826
Dimensions6.87 × 6.84 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm6.84 mm1.23 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488153826
Side View
Table 59.5%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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$8,928 HKD|Low: HK$1,349 HKD|High: HK$8,928 HKD|Avg: HK$3,954 HKD|+8.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8HK$1,859 HKD
Retailer 6HK$1,899 HKD
Retailer 7HK$3,311 HKD
Retailer 2HK$3,458 HKD
Retailer 3HK$3,766 HKD
Retailer 4HK$3,766 HKD
Retailer 5HK$4,417 HKD
MOH LondonHK$8,928 HKD

39 data points across 8 retailers

8 retailersHK$1,859 HKD to HK$8,928 HKD

A
Cheapest Retailer
-
HK$1,859 HKD
$237 USD
Final sale: no returns
Retailer 2
-
HK$1,899 HKD
$242 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
HK$3,311 HKD
$422 USD
View
B+
Retailer 4
-
HK$3,458 HKD
£347 GBP
View
B+
Retailer 5
-
HK$3,766 HKD
$480 USD
View
Retailer 6
-
HK$3,766 HKD
$480 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$4,417 HKD
$563 USD
View
Most Expensive
B
MOH London
LG488153826 · Oct 29
HK$8,928 HKD
£896 GBP
View
7 more retailers have this diamond
Prices start from HK$1,859 HKDSave up to HK$7,068 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
1.23ct Round
HK$1,859 HKD