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Radiant|Lab Grown|IGI

1.54ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG605363231

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

Certificate IGI LG605363231

Diamond specifications and retailer prices

From $525 SGD
$411 USD
As of November 1, 2026
Save $704 SGD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,230 SGD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605363231 or 605363231. Listed at 2 retailers as of October 31, 2026, with prices from $525 to $1,230, a $704 spread on the same certified stone. Frank Darling lists it at $1,230. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605363231
Dimensions8.07 × 5.81 × 3.81 mm
L/W Ratio1.39
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
8.07 mm5.81 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605363231
Side View
Table 64.0%Crown 37.6°Girdle: MediumPavilion 36.2°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,230 SGD|Low: $252 SGD|High: $2,953 SGD|Avg: $1,301 SGD|+3.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 26, 2026
Retailer 4$252 SGD
Retailer 2$525 SGD
Retailer 3$792 SGD
Retailer 6$901 SGD
Retailer 7$1,127 SGD
Frank Darling$1,230 SGD
Retailer 5$1,547 SGD
Retailer 8$2,902 SGD

76 data points across 8 retailers

2 retailers$525 SGD to $1,230 SGD

A
Cheapest Retailer
-
$525 SGD
$411 USD
Most Expensive
B
Frank Darling
LVA10-081BBA · Oct 31
$1,230 SGD
$962 USD
View
1 more retailer has this diamond
Prices start from $525 SGDSave up to $704 SGD

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
$525 SGD