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1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG816613791

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613791

Diamond specifications and retailer prices

From $298 AUD
As of November 5, 2026
Save $1,424 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,723 AUD at MOH London · As of November 5, 2026
View at MOH London

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 LG816613791 or 816613791. Listed at 14 retailers as of November 5, 2026, with prices from $298 to $1,723, a $1,424 spread on the same certified stone. MOH London lists it at $1,723. 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 angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613791
Dimensions7.45 × 7.39 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.39 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613791
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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: Nov 5
Current: $1,723 AUD|Low: $298 AUD|High: $1,749 AUD|Avg: $936 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$298 AUD
Retailer 8$370 AUD
Retailer 2$623 AUD
Retailer 9$639 AUD
Retailer 3$671 AUD
Retailer 6$1,048 AUD
Retailer 4$1,192 AUD
Retailer 5$1,499 AUD
MOH London$1,723 AUD

44 data points across 9 retailers

14 retailers$298 AUD to $1,723 AUD

A
Cheapest Retailer
-
$298 AUD
A
Retailer 2
-
$345 AUD
View
Retailer 3
-
$370 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$370 AUD
View
A
Retailer 5
-
$623 AUD
View
B+
Retailer 6
-
$639 AUD
View
A
Retailer 7
-
$643 AUD
View
A
Retailer 8
-
$671 AUD
View
B+
Retailer 9
-
$1,048 AUD
View
B+
Retailer 10
-
$1,188 AUD
View
B
Retailer 11
-
$1,192 AUD
View
B
Retailer 12
-
$1,265 AUD
View
B
Retailer 13
-
$1,499 AUD
View
Most Expensive
B
MOH London
LG816613791 · Nov 5
$1,723 AUD
£932 GBP
View
13 more retailers have this diamond
Prices start from $298 AUDSave up to $1,424 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
$298 AUD