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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG541251120

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

Certificate IGI LG541251120

Diamond specifications and retailer prices

From HK$1,701 HKD
As of November 6, 2026
Save HK$6,720 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,421 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct 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 LG541251120 or 541251120. Listed at 14 retailers as of November 5, 2026, with prices from HK$1,701 to HK$8,421, a HK$6,720 spread on the same certified stone. MOH London lists it at HK$8,421. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541251120
Dimensions6.92 × 5.07 × 3.16 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.92 mm5.07 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541251120
Side View
Table 66.0%Crown 41.1°Girdle: MED-STKPavilion 31.8°Culet: NoneDepth 62.3%

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: Nov 6
Current: HK$8,421 HKD|Low: HK$1,630 HKD|High: HK$8,550 HKD|Avg: HK$3,995 HKD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7HK$1,701 HKD
Retailer 12HK$1,975 HKD
Retailer 3HK$2,108 HKD
Retailer 9HK$2,108 HKD
Retailer 2HK$2,712 HKD
Retailer 11HK$3,621 HKD
Retailer 5HK$3,872 HKD
Retailer 4HK$3,942 HKD
Retailer 8HK$4,546 HKD
Retailer 10HK$6,779 HKD
Retailer 6HK$6,803 HKD
MOH LondonHK$8,421 HKD

45 data points across 12 retailers

14 retailersHK$1,701 HKD to HK$8,421 HKD

A
Cheapest Retailer
-
HK$1,701 HKD
A
Retailer 2
-
HK$1,897 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,975 HKD
View
Retailer 4
-
HK$2,108 HKD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$2,108 HKD
View
A
Retailer 6
-
HK$2,712 HKD
View
B+
Retailer 7
-
HK$3,621 HKD
View
B+
Retailer 8
-
HK$3,872 HKD
View
B+
Retailer 9
-
HK$3,942 HKD
View
B+
Retailer 10
-
HK$4,514 HKD
View
B+
Retailer 11
-
HK$4,546 HKD
View
B
Retailer 12
-
HK$6,779 HKD
View
B
Retailer 13
-
HK$6,803 HKD
View
Most Expensive
B
MOH London
LG541251120 · Nov 5
HK$8,421 HKD
£846 GBP
View
13 more retailers have this diamond
Prices start from HK$1,701 HKDSave up to HK$6,720 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
1.00ct Radiant
HK$1,701 HKD