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Radiant|Lab Grown|IGI

0.74ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG617440323

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

Certificate IGI LG617440323

Diamond specifications and retailer prices

From HK$1,554 HKD
$198 USD
As of October 25, 2026
Save HK$2,523 HKD (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$9,626 HKD at MOH London · As of October 8, 2026
View at MOH London

About this 0.74ct lab-grown radiant diamond

This 0.74ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617440323 or 617440323. Listed at 6 retailers as of October 25, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.74
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617440323
Dimensions6.58 × 4.43 × 2.97 mm
L/W Ratio1.49
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
6.58 mm4.43 mm0.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617440323
Side View
Table 72.0%Crown 44.6°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Oct 25
Current: HK$9,626 HKD|Low: HK$1,554 HKD|High: HK$9,626 HKD|Avg: HK$3,821 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 9, 2026
Retailer 6HK$1,554 HKD
Retailer 5HK$2,221 HKD
Retailer 7HK$2,566 HKD
Retailer 4HK$2,569 HKD
Retailer 3HK$3,005 HKD
Retailer 9HK$3,458 HKD
Retailer 2HK$3,688 HKD
Retailer 8HK$4,813 HKD
MOH LondonHK$9,626 HKD

2 data points across 9 retailers

6 retailersHK$1,554 HKD to HK$4,077 HKD

B+
Cheapest Retailer
-
HK$1,554 HKD
$198 USD
Retailer 2
-
HK$2,569 HKD
£258 GBP
View
Price last confirmed 21 days ago
B+
Retailer 3
-
HK$3,458 HKD
£347 GBP
View
Retailer 4
-
HK$3,688 HKD
$470 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
HK$4,077 HKD
£409 GBP
View
Most Expensive
MOH London
LG617440323 · Oct 8
HK$9,626 HKD
£966 GBP
View
Price last confirmed 21 days ago
5 more retailers have this diamond
Prices start from HK$1,554 HKDSave up to HK$2,523 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+
0.74ct Radiant
HK$1,554 HKD