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Radiant|Lab Grown|IGI

1.31ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG602388297

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

Certificate IGI LG602388297

Diamond specifications and retailer prices

From €255 EUR
$285 USD
As of October 30, 2026
Save €1,696 EUR (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,951 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.31ct lab-grown radiant diamond

This 1.31ct 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 LG602388297 or 602388297. Listed at 22 retailers as of October 29, 2026, with prices from €255 to €1,951, a €1,696 spread on the same certified stone. Brilliant Earth lists it at €1,951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602388297
Dimensions7.96 × 5.44 × 3.63 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.96 mm5.44 mm1.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602388297
Side View
Table 66.0%Crown 43°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.7%

Caratlytics Score

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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: €1,951 EUR|Low: €245 EUR|High: €1,951 EUR|Avg: €674 EUR|+0.9%
Brilliant Earth
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 3€255 EUR
Retailer 7€296 EUR
Retailer 4€317 EUR
Retailer 8€317 EUR
Retailer 10€336 EUR
Retailer 15€456 EUR
Retailer 16€517 EUR
Retailer 6€521 EUR
Retailer 14€544 EUR
Retailer 2€559 EUR
Retailer 9€610 EUR
Retailer 13€770 EUR
Retailer 17€972 EUR
Retailer 5€1,017 EUR
Retailer 11€1,062 EUR
Retailer 12€1,275 EUR
Brilliant Earth€1,951 EUR

39 data points across 17 retailers

22 retailers€255 EUR to €1,951 EUR

A
Cheapest Retailer
-
€255 EUR
$285 USD
A
Retailer 2
-
€286 EUR
$319 USD
View
Final sale: no returns
A
Retailer 3
-
€296 EUR
$331 USD
View
A
Retailer 4
-
€317 EUR
$354 USD
View
A
Retailer 5
-
€317 EUR
$354 USD
View
A
Retailer 6
-
€336 EUR
£295 GBP
View
A
Retailer 7
-
€456 EUR
$510 USD
View
Retailer 8
-
€517 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
€521 EUR
$582 USD
View
A
Retailer 10
-
€544 EUR
ZAR 9,813 ZAR
View
A
Retailer 11
-
€559 EUR
£492 GBP
View
A
Retailer 12
-
€610 EUR
$681 USD
View
B+
Retailer 13
-
€770 EUR
A$1,323 AUD
View
B+
Retailer 14
-
€821 EUR
$917 USD
View
B+
Retailer 15
-
€972 EUR
$1,086 USD
View
B+
Retailer 16
-
€1,017 EUR
$1,136 USD
View
B+
Retailer 17
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€1,061 EUR
$1,186 USD
View
B+
Retailer 18
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€1,062 EUR
A$1,826 AUD
View
B
Retailer 19
-
€1,168 EUR
$1,305 USD
View
B
Retailer 20
-
€1,228 EUR
£1,080 GBP
View
B+
Retailer 21
-
€1,275 EUR
£1,122 GBP
View
Most Expensive
B
Brilliant Earth
8263391A · Oct 29
€1,951 EUR
$2,180 USD
View
21 more retailers have this diamond
Prices start from €255 EURSave up to €1,696 EUR

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
1.31ct Radiant
€255 EUR