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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 $136 USD
As of November 6, 2026
Save $1,270 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,406 USD 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 $136 to $1,406, a $1,270 spread on the same certified stone. MOH London lists it at $1,406. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,406 USD|Low: $133 USD|High: $1,414 USD|Avg: $407 USD|+1.4%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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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$136 USD
Retailer 6$151 USD
Retailer 17$158 USD
Retailer 10$168 USD
Retailer 19$168 USD
Retailer 12$217 USD
Retailer 7$228 USD
Retailer 13$283 USD
Retailer 4$291 USD
Retailer 2$298 USD
Retailer 15$319 USD
Retailer 18$415 USD
Retailer 14$425 USD
Retailer 16$455 USD
Retailer 9$464 USD
Retailer 11$541 USD
Retailer 5$597 USD
Retailer 8$988 USD
MOH London$1,406 USD

32 data points across 19 retailers

22 retailers$136 USD to $1,406 USD

A
Cheapest Retailer
-
$136 USD
A
Retailer 2
-
$151 USD
View
Final sale: no returns
A
Retailer 3
-
$158 USD
View
Retailer 4
-
$168 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$168 USD
View
A
Retailer 6
-
$192 USD
View
A
Retailer 7
-
$217 USD
View
B+
Retailer 8
-
$228 USD
View
A
Retailer 9
-
$283 USD
View
A
Retailer 10
-
$291 USD
View
A
Retailer 11
-
$298 USD
View
A
Retailer 12
-
$319 USD
View
B+
Retailer 13
-
$415 USD
View
B+
Retailer 14
-
$425 USD
View
B+
Retailer 15
-
$455 USD
View
B+
Retailer 16
-
$464 USD
View
B+
Retailer 17
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$496 USD
View
B
Retailer 18
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$541 USD
View
B+
Retailer 19
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$570 USD
View
B
Retailer 20
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$597 USD
View
B
Retailer 21
-
$988 USD
View
Most Expensive
B
MOH London
LG660444356 · Nov 1
$1,406 USD
£1,107 GBP
View
21 more retailers have this diamond
Prices start from $136 USDSave up to $1,270 USD

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
$136 USD