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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 $364 SGD
$285 USD
As of October 30, 2026
Save $2,423 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,787 SGD 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 $364 to $2,787, a $2,423 spread on the same certified stone. Brilliant Earth lists it at $2,787. 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
Colour
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: $2,787 SGD|Low: $350 SGD|High: $2,787 SGD|Avg: $962 SGD|+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$364 SGD
Retailer 7$423 SGD
Retailer 4$453 SGD
Retailer 8$453 SGD
Retailer 10$479 SGD
Retailer 15$652 SGD
Retailer 16$738 SGD
Retailer 6$744 SGD
Retailer 14$777 SGD
Retailer 2$798 SGD
Retailer 9$871 SGD
Retailer 13$1,099 SGD
Retailer 17$1,388 SGD
Retailer 5$1,452 SGD
Retailer 11$1,517 SGD
Retailer 12$1,822 SGD
Brilliant Earth$2,787 SGD

39 data points across 17 retailers

22 retailers$364 SGD to $2,787 SGD

A
Cheapest Retailer
-
$364 SGD
$285 USD
A
Retailer 2
-
$408 SGD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$423 SGD
$331 USD
View
A
Retailer 4
-
$453 SGD
$354 USD
View
A
Retailer 5
-
$453 SGD
$354 USD
View
A
Retailer 6
-
$479 SGD
£295 GBP
View
A
Retailer 7
-
$652 SGD
$510 USD
View
Retailer 8
-
$738 SGD
€550 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$744 SGD
$582 USD
View
A
Retailer 10
-
$777 SGD
ZAR 9,813 ZAR
View
A
Retailer 11
-
$798 SGD
£492 GBP
View
A
Retailer 12
-
$871 SGD
$681 USD
View
B+
Retailer 13
-
$1,099 SGD
A$1,323 AUD
View
B+
Retailer 14
-
$1,172 SGD
$917 USD
View
B+
Retailer 15
-
$1,388 SGD
$1,086 USD
View
B+
Retailer 16
-
$1,452 SGD
$1,136 USD
View
B+
Retailer 17
-
$1,516 SGD
$1,186 USD
View
B+
Retailer 18
-
$1,517 SGD
A$1,826 AUD
View
B
Retailer 19
-
$1,668 SGD
$1,305 USD
View
B
Retailer 20
-
$1,753 SGD
£1,080 GBP
View
B+
Retailer 21
-
$1,822 SGD
£1,122 GBP
View
Most Expensive
B
Brilliant Earth
8263391A · Oct 29
$2,787 SGD
$2,180 USD
View
21 more retailers have this diamond
Prices start from $364 SGDSave up to $2,423 SGD

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
$364 SGD