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Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG623421879

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

Certificate IGI LG623421879

Diamond specifications and retailer prices

From $337 SGD
$264 USD
As of October 30, 2026
Save $2,513 SGD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,851 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct 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 LG623421879 or 623421879. Listed at 24 retailers as of October 29, 2026, with prices from $337 to $2,851, a $2,513 spread on the same certified stone. Brilliant Earth lists it at $2,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.7°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421879
Dimensions7.43 × 5.47 × 3.60 mm
L/W Ratio1.36
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
7.43 mm5.47 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421879
Side View
Table 61.0%Crown 51.7°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 65.8%

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: $2,851 SGD|Low: $323 SGD|High: $2,851 SGD|Avg: $1,097 SGD|+0.5%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 20
October 31, 2026
Retailer 4$337 SGD
Retailer 5$418 SGD
Retailer 8$418 SGD
Retailer 13$443 SGD
Retailer 7$562 SGD
Retailer 18$620 SGD
Retailer 20$659 SGD
Retailer 17$718 SGD
Retailer 9$743 SGD
Retailer 2$800 SGD
Retailer 16$1,016 SGD
Retailer 3$1,064 SGD
Retailer 10$1,147 SGD
Retailer 6$1,342 SGD
Retailer 12$1,442 SGD
Retailer 14$1,462 SGD
Retailer 15$1,684 SGD
Retailer 11$1,785 SGD
Retailer 19$2,339 SGD
Brilliant Earth$2,851 SGD

37 data points across 20 retailers

24 retailers$337 SGD to $2,851 SGD

A
Cheapest Retailer
-
$337 SGD
$264 USD
A
Retailer 2
-
$376 SGD
$294 USD
View
Final sale: no returns
A
Retailer 3
-
$391 SGD
$306 USD
View
A
Retailer 4
-
$418 SGD
$327 USD
View
A
Retailer 5
-
$418 SGD
$327 USD
View
A
Retailer 6
-
$443 SGD
£273 GBP
View
A
Retailer 7
-
$562 SGD
$440 USD
View
A
Retailer 8
-
$620 SGD
$485 USD
View
Retailer 9
-
$659 SGD
€491 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$718 SGD
ZAR 9,070 ZAR
View
A
Retailer 11
-
$743 SGD
$581 USD
View
A
Retailer 12
-
$800 SGD
£493 GBP
View
A
Retailer 13
-
$1,016 SGD
A$1,223 AUD
View
B+
Retailer 14
-
$1,064 SGD
$832 USD
View
B+
Retailer 15
-
$1,147 SGD
$897 USD
View
Retailer 16
-
$1,172 SGD
$917 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$1,342 SGD
$1,050 USD
View
B+
Retailer 18
-
$1,408 SGD
$1,102 USD
View
B+
Retailer 19
-
$1,462 SGD
A$1,760 AUD
View
B+
Retailer 20
-
$1,471 SGD
$1,151 USD
View
B+
Retailer 21
-
$1,684 SGD
£1,037 GBP
View
B
Retailer 22
-
$1,785 SGD
$1,396 USD
View
Retailer 23
-
$2,339 SGD
$1,830 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9399402A · Oct 29
$2,851 SGD
$2,230 USD
View
23 more retailers have this diamond
Prices start from $337 SGDSave up to $2,513 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
1.30ct Radiant
$337 SGD