Radiant|Lab Grown|IGI

1.54ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • IGI LG733547048

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

Certificate IGI LG733547048

Diamond specifications and retailer prices

From $434 USD
€413 EUR
As of October 31, 2026
Save $619 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,053 USD at MOH London · As of October 26, 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 LG733547048 or 733547048. Listed at 6 retailers as of October 26, 2026, with prices from $434 to $1,053, a $619 spread on the same certified stone. MOH London lists it at $1,053. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733547048
Dimensions8.79 × 5.65 × 3.55 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm5.65 mm1.54 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733547048
Side View
Table 63.0%Crown 39.8°Girdle: MediumPavilion 31.4°Culet: NoneDepth 62.8%

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 31
Current: $1,053 USD|Low: $374 USD|High: $1,064 USD|Avg: $625 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$434 USD
Retailer 4$451 USD
Retailer 5$477 USD
Retailer 3$594 USD
Retailer 6$840 USD
MOH London$1,053 USD

14 data points across 6 retailers

6 retailers$434 USD to $1,053 USD

A
Cheapest Retailer
-
$434 USD
€413 EUR
B+
Retailer 2
-
$451 USD
View
A
Retailer 3
-
$477 USD
View
A
Retailer 4
-
$594 USD
View
Retailer 5
-
$840 USD
View
Price last confirmed 34 days ago
Most Expensive
A
MOH London
LG733547048 · Oct 26
$1,053 USD
£829 GBP
View
5 more retailers have this diamond
Prices start from $434 USDSave up to $619 USD

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
$434 USD