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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG644499133

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG644499133

Diamond specifications and retailer prices

From HK$1,499 HKD
$191 USD
As of October 25, 2026
Save HK$5,506 HKD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$7,005 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant 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 LG644499133 or 644499133. Listed at 8 retailers as of October 25, 2026, with prices from HK$1,499 to HK$7,005, a HK$5,506 spread on the same certified stone. MOH London lists it at HK$7,005. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644499133
Dimensions5.73 × 5.72 × 3.88 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.73 mm5.72 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644499133
Side View
Table 64.0%Crown 41.8°Girdle: MediumPavilion 39.1°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
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 25
Current: HK$7,005 HKD|Low: HK$1,499 HKD|High: HK$11,010 HKD|Avg: HK$3,951 HKD|-35.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 3HK$1,499 HKD
Retailer 5HK$1,951 HKD
Retailer 4HK$2,546 HKD
Retailer 7HK$2,730 HKD
Retailer 2HK$2,842 HKD
Retailer 9HK$3,754 HKD
Retailer 6HK$4,009 HKD
Retailer 8HK$4,629 HKD
MOH LondonHK$7,005 HKD

23 data points across 9 retailers

8 retailersHK$1,499 HKD to HK$7,005 HKD

A
Cheapest Retailer
-
HK$1,499 HKD
$191 USD
Retailer 2
-
HK$1,951 HKD
£196 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$2,546 HKD
€309 EUR
View
B+
Retailer 4
-
HK$2,730 HKD
$348 USD
View
A
Retailer 5
-
HK$2,842 HKD
£285 GBP
View
B+
Retailer 6
-
HK$4,009 HKD
$511 USD
View
B
Retailer 7
-
HK$5,451 HKD
£547 GBP
View
Most Expensive
B
MOH London
LG644499133 · Oct 25
HK$7,005 HKD
£703 GBP
View
7 more retailers have this diamond
Prices start from HK$1,499 HKDSave up to HK$5,506 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
1.05ct Radiant
HK$1,499 HKD