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Radiant|Lab Grown|IGI

0.74ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG687598751

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

Certificate IGI LG687598751

Diamond specifications and retailer prices

From $192 AUD
$135 USD
As of October 28, 2026
Save $470 AUD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $662 AUD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 LG687598751 or 687598751. Listed at 7 retailers as of October 28, 2026, with prices from $192 to $662, a $470 spread on the same certified stone. NZ Jewellers lists it at $662. 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 angle44.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687598751
Dimensions6.42 × 4.39 × 2.96 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm4.39 mm0.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687598751
Side View
Table 64.0%Crown 44.7°Girdle: STK-THKPavilion 34.5°Culet: NoneDepth 67.4%

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 28
Current: $662 AUD|Low: $192 AUD|High: $868 AUD|Avg: $476 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9$192 AUD
Retailer 7$237 AUD
Retailer 10$309 AUD
Retailer 4$344 AUD
Retailer 5$401 AUD
Retailer 8$417 AUD
Retailer 6$448 AUD
Retailer 12$491 AUD
Retailer 2$544 AUD
NZ Jewellers$662 AUD
Retailer 11$819 AUD
Retailer 3$868 AUD

2 data points across 12 retailers

7 retailers$192 AUD to $662 AUD

A
Cheapest Retailer
-
$192 AUD
$135 USD
A
Retailer 2
-
$237 AUD
HK$1,300 HKD
View
A
Retailer 3
-
$401 AUD
$282 USD
View
A
Retailer 4
-
$417 AUD
£231 GBP
View
A
Retailer 5
-
$448 AUD
£248 GBP
View
B+
Retailer 6
-
$544 AUD
$382 USD
View
Most Expensive
B+
NZ Jewellers
4acffc81-e511-4ffa-a3a3-42defae7f344 · Oct 28
$662 AUD
$465 USD
View
6 more retailers have this diamond
Prices start from $192 AUDSave up to $470 AUD

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
0.74ct Radiant
$192 AUD