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 $253 USD
As of October 30, 2026
Save $2,017 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,270 USD 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 $253 to $2,270, a $2,017 spread on the same certified stone. Brilliant Earth lists it at $2,270. 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
Color
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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Price History

Last verified: Oct 30
Current: $2,270 USD|Low: $283 USD|High: $2,340 USD|Avg: $898 USD|-3.0%
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
October 30, 2026
Retailer 3$283 USD
Retailer 6$422 USD
Retailer 9$475 USD
Retailer 7$540 USD
Retailer 11$563 USD
Retailer 2$599 USD
Retailer 8$764 USD
Retailer 13$767 USD
Retailer 4$893 USD
Retailer 5$1,061 USD
Retailer 10$1,261 USD
Retailer 12$1,825 USD
Brilliant Earth$2,270 USD

41 data points across 13 retailers

21 retailers$253 USD to $2,270 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
A
Retailer 4
-
$314 USD
View
A
Retailer 5
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$314 USD
View
A
Retailer 6
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$422 USD
View
A
Retailer 7
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$475 USD
View
A
Retailer 8
-
$540 USD
ZAR 8,719 ZAR
View
Retailer 9
-
$563 USD
€536 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$599 USD
£471 GBP
View
A
Retailer 11
-
$764 USD
A$1,176 AUD
View
B+
Retailer 12
-
$767 USD
View
B+
Retailer 13
-
$893 USD
View
B+
Retailer 14
-
$1,010 USD
View
B+
Retailer 15
-
$1,061 USD
View
B+
Retailer 16
-
$1,261 USD
£993 GBP
View
B
Retailer 17
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$1,364 USD
View
Retailer 18
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$1,825 USD
View
Price last confirmed 11 days ago
Retailer 19
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$1,948 USD
View
Price last confirmed 81 days ago
Retailer 20
-
$2,090 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21312643A · Oct 29
$2,270 USD
View
20 more retailers have this diamond
Prices start from $253 USDSave up to $2,017 USD

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
$253 USD