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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807645112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807645112

Diamond specifications and retailer prices

From $459 CAD
$328 USD
As of October 29, 2026
Save $4,524 CAD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,983 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807645112 or 807645112. Listed at 20 retailers as of October 29, 2026, with prices from $459 to $4,983, a $4,524 spread on the same certified stone. Brilliant Earth lists it at $4,983. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807645112
Dimensions7.40 × 7.37 × 4.56 mm
L/W Ratio1.00
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
7.40 mm7.37 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807645112
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,983 CAD|Low: $459 CAD|High: $5,752 CAD|Avg: $1,235 CAD|-13.4%
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
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 12$459 CAD
Retailer 18$514 CAD
Retailer 8$532 CAD
Retailer 7$568 CAD
Retailer 9$572 CAD
Retailer 10$627 CAD
Retailer 14$732 CAD
Retailer 3$763 CAD
Retailer 5$784 CAD
Retailer 15$910 CAD
Retailer 16$931 CAD
Retailer 19$977 CAD
Retailer 2$1,011 CAD
Retailer 17$1,325 CAD
Retailer 11$1,678 CAD
Retailer 4$1,815 CAD
Retailer 6$1,826 CAD
Retailer 13$2,289 CAD
Brilliant Earth$4,983 CAD

16 data points across 19 retailers

20 retailers$459 CAD to $4,983 CAD

A+
Cheapest Retailer
-
$459 CAD
$328 USD
A
Retailer 2
-
$514 CAD
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$532 CAD
$380 USD
View
A
Retailer 4
-
$568 CAD
$406 USD
View
A
Retailer 5
-
$572 CAD
$409 USD
View
A
Retailer 6
-
$627 CAD
HK$3,500 HKD
View
A
Retailer 7
-
$732 CAD
£412 GBP
View
A
Retailer 8
-
$763 CAD
$545 USD
View
A
Retailer 9
-
$784 CAD
$560 USD
View
A
Retailer 10
-
$910 CAD
€619 EUR
View
A
Retailer 11
-
$931 CAD
$665 USD
View
A
Retailer 12
-
$977 CAD
ZAR 11,273 ZAR
View
A
Retailer 13
-
$1,011 CAD
£569 GBP
View
A
Retailer 14
-
$1,325 CAD
A$1,456 AUD
View
B+
Retailer 15
-
$1,678 CAD
$1,199 USD
View
B+
Retailer 16
-
$1,815 CAD
SGD 1,752 SGD
View
B+
Retailer 17
-
$1,826 CAD
$1,305 USD
View
B+
Retailer 18
-
$2,102 CAD
$1,502 USD
View
B+
Retailer 19
-
$2,289 CAD
£1,288 GBP
View
Most Expensive
B
Brilliant Earth
20090410A · Oct 29
$4,983 CAD
$3,560 USD
View
19 more retailers have this diamond
Prices start from $459 CADSave up to $4,524 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
$459 CAD