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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG660444356

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

Certificate IGI LG660444356

Diamond specifications and retailer prices

From $245 NZD
As of November 6, 2026
Save $2,291 NZD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,536 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG660444356 or 660444356. Listed at 22 retailers as of November 1, 2026, with prices from $245 to $2,536, a $2,291 spread on the same certified stone. MOH London lists it at $2,536. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660444356
Dimensions7.34 × 4.66 × 3.36 mm
L/W Ratio1.58
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm4.66 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660444356
Side View
Table 66.0%Crown 44.7°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 72.1%

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: Nov 6
Current: $2,536 NZD|Low: $240 NZD|High: $2,550 NZD|Avg: $735 NZD|+1.4%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3$245 NZD
Retailer 6$272 NZD
Retailer 17$285 NZD
Retailer 10$303 NZD
Retailer 19$303 NZD
Retailer 12$391 NZD
Retailer 7$411 NZD
Retailer 13$511 NZD
Retailer 4$525 NZD
Retailer 2$538 NZD
Retailer 15$575 NZD
Retailer 18$749 NZD
Retailer 14$767 NZD
Retailer 16$821 NZD
Retailer 9$837 NZD
Retailer 11$976 NZD
Retailer 5$1,077 NZD
Retailer 8$1,782 NZD
MOH London$2,536 NZD

32 data points across 19 retailers

22 retailers$245 NZD to $2,536 NZD

A
Cheapest Retailer
-
$245 NZD
A
Retailer 2
-
$272 NZD
View
Final sale: no returns
A
Retailer 3
-
$285 NZD
View
Retailer 4
-
$303 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$303 NZD
View
A
Retailer 6
-
$346 NZD
View
A
Retailer 7
-
$391 NZD
View
B+
Retailer 8
-
$411 NZD
View
A
Retailer 9
-
$511 NZD
View
A
Retailer 10
-
$525 NZD
View
A
Retailer 11
-
$538 NZD
View
A
Retailer 12
-
$575 NZD
View
B+
Retailer 13
-
$749 NZD
View
B+
Retailer 14
-
$767 NZD
View
B+
Retailer 15
-
$821 NZD
View
B+
Retailer 16
-
$837 NZD
View
B+
Retailer 17
-
$895 NZD
View
B
Retailer 18
-
$976 NZD
View
B+
Retailer 19
-
$1,028 NZD
View
B
Retailer 20
-
$1,077 NZD
View
B
Retailer 21
-
$1,782 NZD
View
Most Expensive
B
MOH London
LG660444356 · Nov 1
$2,536 NZD
£1,107 GBP
View
21 more retailers have this diamond
Prices start from $245 NZDSave up to $2,291 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
1.02ct Radiant
$245 NZD