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Radiant|Lab Grown|IGI

1.61ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG729525400

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

Certificate IGI LG729525400

Diamond specifications and retailer prices

From $3,010 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,010 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729525400 or 729525400. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729525400
Dimensions8.09 × 5.76 × 3.89 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.76 mm1.61 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729525400
Side View
Table 64.0%Crown 43.7°Girdle: MediumPavilion 35°Culet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $3,010 USD|Low: $492 USD|High: $3,990 USD|Avg: $1,355 USD|-24.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 4, 2026
Retailer 3$510 USD
Retailer 4$770 USD
Retailer 2$1,248 USD
Retailer 5$1,508 USD
Retailer 6$1,615 USD
Brilliant Earth$3,010 USD

20 data points across 6 retailers

1 retailer

B
Brilliant Earth
20379339B · Oct 29
$3,010 USD
View

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B
1.61ct Radiant
$3,010 USD