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Round|Lab Grown|IGI

1.55ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG812620629

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812620629

Diamond specifications and retailer prices

From $476 CAD
$340 USD
As of October 28, 2026
Save $3,499 CAD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,975 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812620629 or 812620629. Listed at 20 retailers as of October 28, 2026, with prices from $476 to $3,975, a $3,499 spread on the same certified stone. Brilliant Earth lists it at $3,975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620629
Dimensions7.47 × 7.42 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.47 mm7.42 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620629
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.2%

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 28
Current: $3,975 CAD|Low: $343 CAD|High: $3,975 CAD|Avg: $1,477 CAD
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 29, 2026
Retailer 6$476 CAD
Retailer 4$745 CAD
Retailer 13$749 CAD
Retailer 9$863 CAD
Retailer 12$908 CAD
Retailer 2$936 CAD
Retailer 8$1,187 CAD
Retailer 11$1,232 CAD
Retailer 3$1,281 CAD
Retailer 16$1,624 CAD
Retailer 7$1,764 CAD
Retailer 14$1,860 CAD
Retailer 10$2,129 CAD
Retailer 5$2,137 CAD
Retailer 15$2,967 CAD
Brilliant Earth$3,975 CAD

36 data points across 16 retailers

20 retailers$476 CAD to $3,975 CAD

A
Retailer 1
-
$425 CAD
$304 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$476 CAD
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$529 CAD
$378 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$529 CAD
$378 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$745 CAD
$532 USD
View
A
Retailer 6
-
$749 CAD
$535 USD
View
A
Retailer 7
-
$863 CAD
€587 EUR
View
A
Retailer 8
-
$908 CAD
ZAR 10,479 ZAR
View
A
Retailer 9
-
$936 CAD
£527 GBP
View
A
Retailer 10
-
$1,187 CAD
$848 USD
View
A
Retailer 11
-
$1,232 CAD
A$1,354 AUD
View
A
Retailer 12
-
$1,281 CAD
$915 USD
View
B+
Retailer 13
-
$1,624 CAD
$1,160 USD
View
B+
Retailer 14
-
$1,699 CAD
$1,214 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$1,764 CAD
$1,261 USD
View
B+
Retailer 16
-
$1,860 CAD
$1,329 USD
View
B+
Retailer 17
-
$2,129 CAD
£1,198 GBP
View
B+
Retailer 18
-
$2,137 CAD
$1,527 USD
View
B
Retailer 19
-
$2,967 CAD
$2,120 USD
View
Most Expensive
B
Brilliant Earth
20893284A · Oct 29
$3,975 CAD
$2,840 USD
View
19 more retailers have this diamond
Prices start from $476 CADSave up to $3,499 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
1.55ct Round
$476 CAD