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Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG847628835

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847628835

Diamond specifications and retailer prices

From $323 AUD
As of November 4, 2026
Save $1,351 AUD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,674 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG847628835 or 847628835. Listed at 4 retailers as of November 4, 2026, with prices from $323 to $1,674, a $1,351 spread on the same certified stone. Brilliant Earth lists it at $1,674. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847628835
Dimensions7.44 × 7.41 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.41 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847628835
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°CuletDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,674 AUD|Low: $323 AUD|High: $1,674 AUD|Avg: $946 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3$323 AUD
Retailer 2$573 AUD
Retailer 4$1,026 AUD
Brilliant Earth$1,674 AUD

2 data points across 4 retailers

4 retailers$323 AUD to $1,674 AUD

A
Cheapest Retailer
-
$323 AUD
A
Retailer 2
-
$573 AUD
View
B+
Retailer 3
-
$1,026 AUD
View
Most Expensive
B
Brilliant Earth
22495112A · Nov 5
$1,674 AUD
$1,150 USD
View
3 more retailers have this diamond
Prices start from $323 AUDSave up to $1,351 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
1.54ct Round
$323 AUD