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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 $353 NZD
$198 USD
As of October 25, 2026
Save $573 NZD (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,184 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $2,184 NZD|Low: $353 NZD|High: $2,184 NZD|Avg: $867 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 9, 2026
Retailer 6$353 NZD
Retailer 5$504 NZD
Retailer 7$582 NZD
Retailer 4$583 NZD
Retailer 3$682 NZD
Retailer 9$785 NZD
Retailer 2$837 NZD
Retailer 8$1,092 NZD
MOH London$2,184 NZD

2 data points across 9 retailers

6 retailers$353 NZD to $925 NZD

B+
Cheapest Retailer
-
$353 NZD
$198 USD
Retailer 2
-
$583 NZD
£258 GBP
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$785 NZD
£347 GBP
View
Retailer 4
-
$837 NZD
$470 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$925 NZD
£409 GBP
View
Most Expensive
MOH London
LG617440323 · Oct 8
$2,184 NZD
£966 GBP
View
Price last confirmed 22 days ago
5 more retailers have this diamond
Prices start from $353 NZDSave up to $573 NZD

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
$353 NZD