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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG662486441

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

Certificate IGI LG662486441

Diamond specifications and retailer prices

From $134 USD
As of October 28, 2026
Save $1,067 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,201 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG662486441 or 662486441. Listed at 12 retailers as of October 28, 2026, with prices from $134 to $1,201, a $1,067 spread on the same certified stone. MOH London lists it at $1,201. 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

1.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662486441
Dimensions7.35 × 4.98 × 3.24 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm4.98 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662486441
Side View
Table 67.0%Crown 44°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 65.1%

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: Oct 28
Current: $1,201 USD|Low: $134 USD|High: $1,201 USD|Avg: $399 USD
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
October 29, 2026
Retailer 3$134 USD
Retailer 8$152 USD
Retailer 15$166 USD
Retailer 9$187 USD
Retailer 4$254 USD
Retailer 14$272 USD
Retailer 13$279 USD
Retailer 2$291 USD
Retailer 12$298 USD
Retailer 10$393 USD
Retailer 11$460 USD
Retailer 6$516 USD
Retailer 5$634 USD
Retailer 7$1,030 USD
MOH London$1,201 USD

2 data points across 15 retailers

12 retailers$134 USD to $1,201 USD

A
Cheapest Retailer
-
$134 USD
A
Retailer 2
-
$152 USD
View
A
Retailer 3
-
$166 USD
HK$1,300 HKD
View
A
Retailer 4
-
$187 USD
£147 GBP
View
A
Retailer 5
-
$272 USD
£214 GBP
View
B+
Retailer 6
-
$279 USD
View
A
Retailer 7
-
$291 USD
£229 GBP
View
A
Retailer 8
-
$298 USD
View
B+
Retailer 9
-
$393 USD
View
B+
Retailer 10
-
$460 USD
View
B+
Retailer 11
-
$568 USD
£448 GBP
View
Most Expensive
B
MOH London
LG662486441 · Oct 29
$1,201 USD
£946 GBP
View
11 more retailers have this diamond
Prices start from $134 USDSave up to $1,067 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
1.05ct Radiant
$134 USD