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Radiant|Lab Grown|IGI

1.54ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG488131855

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

Certificate IGI LG488131855

Diamond specifications and retailer prices

From $1,369 CAD
$980 USD
As of October 30, 2026
Save $5,467 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,835 CAD at MOH London · As of October 29, 2026
View at MOH London

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488131855 or 488131855. Listed at 10 retailers as of October 29, 2026, with prices from $1,369 to $6,835, a $5,467 spread on the same certified stone. MOH London lists it at $6,835. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488131855
Dimensions7.84 × 5.74 × 3.88 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.84 mm5.74 mm1.54 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488131855
Side View
Table 65.5%Crown 44.5°Girdle: MediumPavilion 31.3°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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 30
Current: $6,835 CAD|Low: $1,369 CAD|High: $6,890 CAD|Avg: $3,406 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,369 CAD
Retailer 3$2,052 CAD
Retailer 4$2,380 CAD
Retailer 6$2,619 CAD
Retailer 9$2,706 CAD
Retailer 8$3,231 CAD
Retailer 5$3,752 CAD
Retailer 7$4,321 CAD
MOH London$6,835 CAD

13 data points across 9 retailers

10 retailers$1,369 CAD to $6,835 CAD

A
Cheapest Retailer
-
$1,369 CAD
$980 USD
B+
Retailer 2
-
$2,052 CAD
$1,469 USD
View
B+
Retailer 3
-
$2,232 CAD
$1,598 USD
View
Retailer 4
-
$2,380 CAD
$1,704 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$2,380 CAD
$1,704 USD
View
B+
Retailer 6
-
$2,619 CAD
$1,875 USD
View
B
Retailer 7
-
$3,752 CAD
$2,686 USD
View
B
Retailer 8
-
$4,321 CAD
$3,093 USD
View
B
Retailer 9
-
$4,462 CAD
$3,194 USD
View
Most Expensive
B
MOH London
LG488131855 · Oct 29
$6,835 CAD
£3,853 GBP
View
9 more retailers have this diamond
Prices start from $1,369 CADSave up to $5,467 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
$1,369 CAD