Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG837604455

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

Certificate IGI LG837604455

Diamond specifications and retailer prices

From $242 USD
As of October 30, 2026
Save $963 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,205 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837604455 or 837604455. Listed at 11 retailers as of October 26, 2026, with prices from $242 to $1,205, a $963 spread on the same certified stone. MOH London lists it at $1,205. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837604455
Dimensions7.84 × 5.33 × 3.53 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.33 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837604455
Side View
Table 65.0%Crown 43.2°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.2%

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: Oct 30
Current: $1,205 USD|Low: $233 USD|High: $1,218 USD|Avg: $718 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7$242 USD
Retailer 6$281 USD
Retailer 2$319 USD
Retailer 4$498 USD
Retailer 10$617 USD
Retailer 3$733 USD
Retailer 8$966 USD
Retailer 5$969 USD
Retailer 9$1,069 USD
MOH London$1,205 USD

31 data points across 10 retailers

11 retailers$242 USD to $1,205 USD

A
Cheapest Retailer
-
$242 USD
A
Retailer 2
-
$281 USD
View
A
Retailer 3
-
$319 USD
£251 GBP
View
A
Retailer 4
-
$498 USD
€474 EUR
View
A
Retailer 5
-
$617 USD
View
A
Retailer 6
-
$733 USD
A$1,127 AUD
View
B+
Retailer 7
-
$966 USD
View
B+
Retailer 8
-
$969 USD
View
B+
Retailer 9
-
$1,091 USD
View
B+
Retailer 10
-
$1,160 USD
View
Most Expensive
B+
MOH London
LG837604455 · Oct 26
$1,205 USD
£949 GBP
View
10 more retailers have this diamond
Prices start from $242 USDSave up to $963 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
1.29ct Radiant
$242 USD