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Radiant|Lab Grown|IGI

1.54ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG492125287

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

Certificate IGI LG492125287

Diamond specifications and retailer prices

From $250 CAD
$179 USD
As of October 27, 2026
Save $3,128 CAD (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,378 CAD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492125287 or 492125287. Listed at 13 retailers as of October 27, 2026, with prices from $250 to $3,378, a $3,128 spread on the same certified stone. B2C Jewels lists it at $3,378. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle28.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492125287
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492125287
Side View
Table 61.5%Crown 38°Girdle: Slightly ThickPavilion 28.5°Culet: NoneDepth 65.4%

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: Oct 27
Current: $3,378 CAD|Low: $240 CAD|High: $3,378 CAD|Avg: $1,195 CAD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$250 CAD
Retailer 11$281 CAD
Retailer 10$291 CAD
Retailer 2$441 CAD
Retailer 8$549 CAD
Retailer 5$1,053 CAD
Retailer 9$1,100 CAD
Retailer 7$1,509 CAD
Retailer 4$1,604 CAD
Retailer 3$2,403 CAD
B2C Jewels$3,378 CAD

36 data points across 11 retailers

13 retailers$250 CAD to $3,378 CAD

A
Cheapest Retailer
-
$250 CAD
$179 USD
A
Retailer 2
-
$281 CAD
$201 USD
View
Final sale: no returns
A
Retailer 3
-
$291 CAD
$208 USD
View
A
Retailer 4
-
$441 CAD
£249 GBP
View
B+
Retailer 5
-
$549 CAD
$393 USD
View
B
Retailer 6
-
$1,053 CAD
$754 USD
View
B+
Retailer 7
-
$1,100 CAD
$787 USD
View
B+
Retailer 8
-
$1,101 CAD
$788 USD
View
B
Retailer 9
-
$1,509 CAD
$1,080 USD
View
B
Retailer 10
-
$1,604 CAD
£904 GBP
View
B
Retailer 11
-
$2,387 CAD
£1,345 GBP
View
B
Retailer 12
-
$2,403 CAD
$1,720 USD
View
Most Expensive
B
B2C Jewels
20034071 · Oct 29
$3,378 CAD
$2,418 USD
View
12 more retailers have this diamond
Prices start from $250 CADSave up to $3,128 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
1.54ct Radiant
$250 CAD