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Radiant|Lab Grown|IGI

1.39ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG799639038

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

Certificate IGI LG799639038

Diamond specifications and retailer prices

From $419 SGD
$328 USD
As of October 31, 2026
Save $2,777 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,142 SGD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799639038 or 799639038. Listed at 22 retailers as of October 30, 2026, with a 662% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799639038
Dimensions7.80 × 5.36 × 3.71 mm
L/W Ratio1.46
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
7.80 mm5.36 mm1.39 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799639038
Side View
Table 66.0%Crown 45.9°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 69.2%

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 31
Current: $3,196 SGD|Low: $419 SGD|High: $4,142 SGD|Avg: $1,573 SGD|-22.8%
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 2$419 SGD
Retailer 8$637 SGD
Retailer 11$729 SGD
Retailer 16$761 SGD
Retailer 14$790 SGD
Retailer 12$798 SGD
Retailer 10$822 SGD
Retailer 4$859 SGD
Retailer 3$1,304 SGD
Retailer 15$1,427 SGD
Retailer 6$1,446 SGD
Retailer 17$1,555 SGD
Retailer 7$1,702 SGD
Retailer 9$1,851 SGD
Retailer 13$1,864 SGD
Brilliant Earth$3,196 SGD
Retailer 5$3,605 SGD

30 data points across 17 retailers

22 retailers$419 SGD to $3,196 SGD

A
Cheapest Retailer
-
$419 SGD
$328 USD
Final sale: no returns
Retailer 2
-
$492 SGD
$385 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$575 SGD
$450 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$637 SGD
$498 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$729 SGD
$570 USD
View
A
Retailer 6
-
$761 SGD
$595 USD
View
A
Retailer 7
-
$790 SGD
$618 USD
View
A
Retailer 8
-
$798 SGD
ZAR 10,084 ZAR
View
A
Retailer 9
-
$822 SGD
£507 GBP
View
Retailer 10
-
$859 SGD
€640 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$1,304 SGD
$1,020 USD
View
Retailer 12
-
$1,400 SGD
$1,095 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$1,427 SGD
$1,116 USD
View
B+
Retailer 14
-
$1,446 SGD
$1,131 USD
View
B+
Retailer 15
-
$1,555 SGD
$1,216 USD
View
B+
Retailer 16
-
$1,702 SGD
View
Retailer 17
-
$1,851 SGD
£1,140 GBP
View
Price last confirmed 27 days ago
B+
Retailer 18
-
$1,864 SGD
£1,148 GBP
View
Retailer 19
-
$2,045 SGD
$1,600 USD
View
Price last confirmed 31 days ago
B
Retailer 20
-
$3,196 SGD
$2,500 USD
View
Retailer 21
-
$3,605 SGD
$2,820 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
20485125A · Sep 28
$4,142 SGD
$3,240 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from $419 SGDSave up to $2,777 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
1.39ct Radiant
$419 SGD