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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 $353 CAD
$253 USD
As of October 30, 2026
Save $2,818 CAD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,171 CAD 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 $353 to $3,171, a $2,818 spread on the same certified stone. Brilliant Earth lists it at $3,171. 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

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 30
Current: $3,171 CAD|Low: $395 CAD|High: $3,269 CAD|Avg: $1,254 CAD|-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$395 CAD
Retailer 6$589 CAD
Retailer 9$664 CAD
Retailer 7$754 CAD
Retailer 11$786 CAD
Retailer 2$836 CAD
Retailer 8$1,068 CAD
Retailer 13$1,071 CAD
Retailer 4$1,247 CAD
Retailer 5$1,482 CAD
Retailer 10$1,762 CAD
Retailer 12$2,549 CAD
Brilliant Earth$3,171 CAD

41 data points across 13 retailers

21 retailers$353 CAD to $3,171 CAD

A
Cheapest Retailer
-
$353 CAD
$253 USD
A
Retailer 2
-
$395 CAD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$411 CAD
$294 USD
View
A
Retailer 4
-
$439 CAD
$314 USD
View
A
Retailer 5
-
$439 CAD
$314 USD
View
A
Retailer 6
-
$589 CAD
$422 USD
View
A
Retailer 7
-
$664 CAD
$475 USD
View
A
Retailer 8
-
$754 CAD
ZAR 8,719 ZAR
View
Retailer 9
-
$786 CAD
€536 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$836 CAD
£471 GBP
View
A
Retailer 11
-
$1,068 CAD
A$1,176 AUD
View
B+
Retailer 12
-
$1,071 CAD
$767 USD
View
B+
Retailer 13
-
$1,247 CAD
$893 USD
View
B+
Retailer 14
-
$1,411 CAD
$1,010 USD
View
B+
Retailer 15
-
$1,482 CAD
$1,061 USD
View
B+
Retailer 16
-
$1,762 CAD
£993 GBP
View
B
Retailer 17
-
$1,905 CAD
$1,364 USD
View
Retailer 18
-
$2,549 CAD
$1,825 USD
View
Price last confirmed 11 days ago
Retailer 19
-
$2,721 CAD
$1,948 USD
View
Price last confirmed 81 days ago
Retailer 20
-
$2,920 CAD
$2,090 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21312643A · Oct 29
$3,171 CAD
$2,270 USD
View
20 more retailers have this diamond
Prices start from $353 CADSave up to $2,818 CAD

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
$353 CAD