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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 $208 NZD
$117 USD
As of October 30, 2026
Save $620 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $828 NZD 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 9 retailers as of October 28, 2026, with prices from $208 to $828, a $620 spread on the same certified stone. NZ Jewellers lists it at $828. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $828 NZD|Low: $208 NZD|High: $1,086 NZD|Avg: $570 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2$208 NZD
Retailer 13$240 NZD
Retailer 8$274 NZD
Retailer 12$296 NZD
Retailer 14$387 NZD
Retailer 6$430 NZD
Retailer 10$502 NZD
Retailer 7$525 NZD
Retailer 11$561 NZD
Retailer 4$614 NZD
Retailer 9$680 NZD
NZ Jewellers$828 NZD
Retailer 3$1,025 NZD
Retailer 5$1,086 NZD

3 data points across 14 retailers

9 retailers$208 NZD to $828 NZD

A
Cheapest Retailer
-
$208 NZD
$117 USD
A
Retailer 2
-
$240 NZD
$135 USD
View
A
Retailer 3
-
$274 NZD
$154 USD
View
A
Retailer 4
-
$296 NZD
HK$1,300 HKD
View
A
Retailer 5
-
$502 NZD
$282 USD
View
A
Retailer 6
-
$525 NZD
£232 GBP
View
A
Retailer 7
-
$561 NZD
£248 GBP
View
B+
Retailer 8
-
$680 NZD
$382 USD
View
Most Expensive
B+
NZ Jewellers
4acffc81-e511-4ffa-a3a3-42defae7f344 · Oct 28
$828 NZD
$465 USD
View
8 more retailers have this diamond
Prices start from $208 NZDSave up to $620 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.

A
0.74ct Radiant
$208 NZD