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 $430 NZD
$242 USD
As of October 30, 2026
Save $1,710 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,140 NZD at MOH London · As of November 1, 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 30, 2026, with prices from $430 to $2,140, a $1,710 spread on the same certified stone. MOH London lists it at $2,140. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,140 NZD|Low: $414 NZD|High: $2,165 NZD|Avg: $1,273 NZD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$430 NZD
Retailer 6$499 NZD
Retailer 2$565 NZD
Retailer 3$886 NZD
Retailer 10$1,097 NZD
Retailer 4$1,302 NZD
Retailer 8$1,717 NZD
Retailer 5$1,722 NZD
Retailer 9$1,900 NZD
MOH London$2,140 NZD

33 data points across 10 retailers

11 retailers$430 NZD to $2,140 NZD

A
Cheapest Retailer
-
$430 NZD
$242 USD
A
Retailer 2
-
$499 NZD
$281 USD
View
A
Retailer 3
-
$565 NZD
£250 GBP
View
A
Retailer 4
-
$886 NZD
€475 EUR
View
A
Retailer 5
-
$1,097 NZD
$617 USD
View
A
Retailer 6
-
$1,302 NZD
A$1,127 AUD
View
B+
Retailer 7
-
$1,717 NZD
$966 USD
View
B+
Retailer 8
-
$1,722 NZD
$969 USD
View
B+
Retailer 9
-
$1,939 NZD
$1,091 USD
View
B+
Retailer 10
-
$2,062 NZD
$1,160 USD
View
Most Expensive
B+
MOH London
LG837604455 · Nov 1
$2,140 NZD
£948 GBP
View
10 more retailers have this diamond
Prices start from $430 NZDSave up to $1,710 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
1.29ct Radiant
$430 NZD