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Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG787612679

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

Certificate IGI LG787612679

Diamond specifications and retailer prices

From $323 SGD
$253 USD
As of October 30, 2026
Save $2,579 SGD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,902 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 LG787612679 or 787612679. Listed at 21 retailers as of October 29, 2026, with prices from $323 to $2,902, a $2,579 spread on the same certified stone. Brilliant Earth lists it at $2,902. 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 angle40.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787612679
Dimensions7.75 × 5.38 × 3.70 mm
L/W Ratio1.44
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
7.75 mm5.38 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787612679
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 68.8%

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: $2,902 SGD|Low: $311 SGD|High: $2,940 SGD|Avg: $909 SGD|+8.6%
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
October 31, 2026
Retailer 3$323 SGD
Retailer 8$362 SGD
Retailer 6$376 SGD
Retailer 4$401 SGD
Retailer 7$401 SGD
Retailer 9$539 SGD
Retailer 12$607 SGD
Retailer 10$690 SGD
Retailer 14$719 SGD
Retailer 2$765 SGD
Retailer 11$977 SGD
Retailer 16$981 SGD
Retailer 5$1,291 SGD
Retailer 13$1,612 SGD
Retailer 15$2,333 SGD
Brilliant Earth$2,902 SGD

44 data points across 16 retailers

21 retailers$323 SGD to $2,902 SGD

A
Cheapest Retailer
-
$323 SGD
$253 USD
A
Retailer 2
-
$362 SGD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$376 SGD
$294 USD
View
A
Retailer 4
-
$401 SGD
$314 USD
View
A
Retailer 5
-
$401 SGD
$314 USD
View
A
Retailer 6
-
$539 SGD
$422 USD
View
A
Retailer 7
-
$607 SGD
$475 USD
View
A
Retailer 8
-
$690 SGD
ZAR 8,719 ZAR
View
Retailer 9
-
$719 SGD
€536 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$765 SGD
£471 GBP
View
A
Retailer 11
-
$977 SGD
A$1,176 AUD
View
B+
Retailer 12
-
$981 SGD
$767 USD
View
B+
Retailer 13
-
$1,142 SGD
$893 USD
View
B+
Retailer 14
-
$1,291 SGD
$1,010 USD
View
B+
Retailer 15
-
$1,357 SGD
$1,061 USD
View
B+
Retailer 16
-
$1,612 SGD
£993 GBP
View
B
Retailer 17
-
$1,743 SGD
$1,364 USD
View
Retailer 18
-
$2,333 SGD
$1,825 USD
View
Price last confirmed 12 days ago
Retailer 19
-
$2,490 SGD
$1,948 USD
View
Price last confirmed 82 days ago
Retailer 20
-
$2,672 SGD
$2,090 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21312643A · Oct 29
$2,902 SGD
$2,270 USD
View
20 more retailers have this diamond
Prices start from $323 SGDSave up to $2,579 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
$323 SGD