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Radiant|Lab Grown|IGI

1.54ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG794602965

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

Certificate IGI LG794602965

Diamond specifications and retailer prices

From $1,455 AUD
$1,000 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $1,455 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794602965 or 794602965. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602965
Dimensions8.05 × 5.69 × 3.86 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm5.69 mm1.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794602965
Side View
Table 64.0%Crown 22.8°Girdle: MediumPavilion 35.8°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,455 AUD|Low: $189 AUD|High: $1,553 AUD|Avg: $851 AUD|-2.9%
Brilliant Earth
Retailer 2
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October 4, 2026
Retailer 8$189 AUD
Retailer 6$348 AUD
Retailer 2$467 AUD
Retailer 9$493 AUD
Retailer 7$617 AUD
Retailer 11$856 AUD
Retailer 3$930 AUD
Retailer 12$984 AUD
Retailer 5$1,150 AUD
Retailer 10$1,153 AUD
Brilliant Earth$1,455 AUD
Retailer 4$1,553 AUD

2 data points across 12 retailers

1 retailer

B
Brilliant Earth
19077065AB · Nov 6
$1,455 AUD
$1,000 USD
View

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.

B
1.54ct Radiant
$1,455 AUD