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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG754561853

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

Certificate IGI LG754561853

Diamond specifications and retailer prices

From $342 AUD
As of November 6, 2026
Save $837 AUD (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,179 AUD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.53ct lab-grown radiant diamond

This 1.53ct 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 LG754561853 or 754561853. Listed at 4 retailers as of November 6, 2026, with prices from $342 to $1,179, a $837 spread on the same certified stone. Taylor and Hart lists it at $1,179. 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

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754561853
Dimensions7.91 × 5.74 × 4.00 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm5.74 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754561853
Side View
Table 61.0%Crown 38.8°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $616 AUD|Low: $338 AUD|High: $1,219 AUD|Avg: $686 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 6, 2026
Retailer 2$342 AUD
Retailer 3$601 AUD
Retailer 1$616 AUD
Taylor and Hart$1,179 AUD

40 data points across 4 retailers

4 retailers$342 AUD to $1,179 AUD

A
Cheapest Retailer
-
$342 AUD
B+
Retailer 2
-
$601 AUD
View
A
Retailer 3
-
$616 AUD
View
Most Expensive
B
Taylor and Hart
ILYLPZL · Nov 6
$1,179 AUD
$810 USD
View
3 more retailers have this diamond
Prices start from $342 AUDSave up to $837 AUD

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
1.53ct Radiant
$342 AUD