Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG743593981

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG743593981

Diamond specifications and retailer prices

From $397 CAD
As of November 4, 2026
Save $3,282 CAD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,668 CAD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant 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 LG743593981 or 743593981. Listed at 31 retailers as of November 4, 2026, with a 826% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593981
Dimensions5.88 × 5.88 × 3.94 mm
L/W Ratio1.00
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
5.88 mm5.88 mm1.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593981
Side View
Table 61.0%Crown 37.9°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
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: Nov 4
Current: $4,668 CAD|Low: $397 CAD|High: $4,668 CAD|Avg: $1,639 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 5, 2026
Retailer 20$397 CAD
Retailer 16$496 CAD
Retailer 19$574 CAD
Retailer 13$711 CAD
Retailer 18$730 CAD
Retailer 22$766 CAD
Retailer 17$878 CAD
Retailer 5$886 CAD
Retailer 2$960 CAD
Retailer 9$977 CAD
Retailer 15$1,152 CAD
Retailer 7$1,225 CAD
Retailer 4$1,278 CAD
Retailer 23$1,515 CAD
Retailer 21$1,750 CAD
Retailer 6$1,895 CAD
Retailer 8$1,976 CAD
Retailer 24$2,037 CAD
Retailer 3$2,106 CAD
Retailer 10$2,271 CAD
Retailer 11$2,331 CAD
Retailer 12$3,421 CAD
Retailer 14$3,679 CAD
Brilliant Earth$4,668 CAD

34 data points across 24 retailers

31 retailers$397 CAD to $3,679 CAD

A
Cheapest Retailer
-
$397 CAD
Retailer 2
-
$414 CAD
View
Price last confirmed 28 days ago
Retailer 3
-
$440 CAD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$496 CAD
View
Final sale: no returns
Retailer 5
-
$511 CAD
View
Price last confirmed 39 days ago
Retailer 6
-
$514 CAD
View
Price last confirmed 33 days ago
Retailer 7
-
$539 CAD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$574 CAD
View
A
Retailer 9
-
$711 CAD
View
A
Retailer 10
-
$730 CAD
View
A
Retailer 11
-
$766 CAD
View
A
Retailer 12
-
$878 CAD
View
A
Retailer 13
-
$886 CAD
View
A
Retailer 14
-
$960 CAD
View
A
Retailer 15
-
$977 CAD
View
A
Retailer 16
-
$1,152 CAD
View
A
Retailer 17
-
$1,225 CAD
View
A
Retailer 18
-
$1,278 CAD
View
B+
Retailer 19
-
$1,515 CAD
View
B+
Retailer 20
-
$1,750 CAD
View
Retailer 21
-
$1,823 CAD
View
Price last confirmed 26 days ago
B+
Retailer 22
-
$1,895 CAD
View
Retailer 23
-
$1,938 CAD
View
Price last confirmed 36 days ago
B+
Retailer 24
-
$1,976 CAD
View
B+
Retailer 25
-
$2,037 CAD
View
B+
Retailer 26
-
$2,106 CAD
View
B+
Retailer 27
-
$2,271 CAD
View
B+
Retailer 28
-
$2,331 CAD
View
Retailer 29
-
$3,421 CAD
View
Price last confirmed 8 days ago
B
Retailer 30
-
$3,679 CAD
View
Most Expensive
Brilliant Earth
17457052Y · Oct 21
$4,668 CAD
$3,350 USD
View
Price last confirmed 14 days ago
30 more retailers have this diamond
Prices start from $397 CADSave up to $3,282 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 Radiant
$397 CAD