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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG826692423

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

Certificate IGI LG826692423

Diamond specifications and retailer prices

From $238 NZD
As of November 6, 2026
Save $2,225 NZD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,463 NZD 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 LG826692423 or 826692423. Listed at 9 retailers as of November 5, 2026, with prices from $238 to $2,463, a $2,225 spread on the same certified stone. MOH London lists it at $2,463. 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 angle41.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826692423
Dimensions7.08 × 4.98 × 3.28 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm4.98 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826692423
Side View
Table 65.0%Crown 41.4°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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: Nov 6
Current: $2,463 NZD|Low: $235 NZD|High: $2,557 NZD|Avg: $969 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$238 NZD
Retailer 6$276 NZD
Retailer 2$381 NZD
Retailer 7$534 NZD
Retailer 4$951 NZD
Retailer 8$992 NZD
Retailer 5$1,005 NZD
Retailer 9$1,021 NZD
MOH London$2,463 NZD

28 data points across 9 retailers

9 retailers$238 NZD to $2,463 NZD

A
Cheapest Retailer
-
$238 NZD
A
Retailer 2
-
$276 NZD
View
A
Retailer 3
-
$381 NZD
View
A
Retailer 4
-
$534 NZD
View
B+
Retailer 5
-
$951 NZD
View
B+
Retailer 6
-
$992 NZD
View
B+
Retailer 7
-
$1,005 NZD
View
Retailer 8
-
$1,021 NZD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG826692423 · Nov 5
$2,463 NZD
£1,075 GBP
View
8 more retailers have this diamond
Prices start from $238 NZDSave up to $2,225 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
1.00ct Radiant
$238 NZD