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Round|Lab Grown|IGI

1.55ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG786646560

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786646560

Diamond specifications and retailer prices

From $547 CAD
$391 USD
As of October 29, 2026
Save $4,505 CAD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,053 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 LG786646560 or 786646560. Listed at 25 retailers as of October 29, 2026, with prices from $547 to $5,053, a $4,505 spread on the same certified stone. Brilliant Earth lists it at $5,053. 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 angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786646560
Dimensions7.46 × 7.42 × 4.59 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
7.46 mm7.42 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786646560
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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 29
Current: $5,053 CAD|Low: $612 CAD|High: $5,360 CAD|Avg: $1,736 CAD|-5.7%
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
October 29, 2026
Retailer 9$612 CAD
Retailer 6$613 CAD
Retailer 12$889 CAD
Retailer 7$910 CAD
Retailer 5$1,022 CAD
Retailer 10$1,071 CAD
Retailer 2$1,105 CAD
Retailer 11$1,165 CAD
Retailer 8$1,574 CAD
Retailer 15$1,628 CAD
Retailer 4$2,156 CAD
Retailer 3$2,539 CAD
Retailer 13$2,652 CAD
Retailer 14$3,023 CAD
Brilliant Earth$5,053 CAD

41 data points across 15 retailers

25 retailers$547 CAD to $5,053 CAD

A
Cheapest Retailer
-
$547 CAD
$391 USD
A
Retailer 2
-
$612 CAD
$437 USD
View
Final sale: no returns
A
Retailer 3
-
$613 CAD
$438 USD
View
A
Retailer 4
-
$677 CAD
$484 USD
View
A
Retailer 5
-
$677 CAD
$484 USD
View
A
Retailer 6
-
$752 CAD
HK$4,200 HKD
View
A
Retailer 7
-
$889 CAD
$635 USD
View
A
Retailer 8
-
$910 CAD
$650 USD
View
A
Retailer 9
-
$1,022 CAD
$730 USD
View
A
Retailer 10
-
$1,071 CAD
€729 EUR
View
A
Retailer 11
-
$1,105 CAD
£622 GBP
View
A
Retailer 12
-
$1,165 CAD
ZAR 13,449 ZAR
View
A
Retailer 13
-
$1,323 CAD
$945 USD
View
B+
Retailer 14
-
$1,574 CAD
A$1,730 AUD
View
B+
Retailer 15
-
$1,628 CAD
$1,163 USD
View
B+
Retailer 16
-
$2,156 CAD
SGD 2,082 SGD
View
B+
Retailer 17
-
$2,179 CAD
$1,557 USD
View
B+
Retailer 18
-
$2,186 CAD
$1,562 USD
View
B+
Retailer 19
-
$2,231 CAD
$1,594 USD
View
B
Retailer 20
-
$2,522 CAD
$1,802 USD
View
B
Retailer 21
-
$2,539 CAD
$1,814 USD
View
B+
Retailer 22
-
$2,652 CAD
£1,492 GBP
View
Retailer 23
-
$3,023 CAD
$2,160 USD
View
Price last confirmed 11 days ago
B
Retailer 24
-
$3,982 CAD
£2,240 GBP
View
Most Expensive
B
Brilliant Earth
21370015A · Oct 29
$5,053 CAD
$3,610 USD
View
24 more retailers have this diamond
Prices start from $547 CADSave up to $4,505 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
$547 CAD