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Round|Lab Grown|IGI

1.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG794614188

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794614188

Diamond specifications and retailer prices

From $280 AUD
$197 USD
As of October 29, 2026
Save $1,354 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,634 AUD at MOH London · As of October 25, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794614188 or 794614188. Listed at 19 retailers as of October 25, 2026, with prices from $280 to $1,634, a $1,354 spread on the same certified stone. MOH London lists it at $1,634. 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 angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794614188
Dimensions7.59 × 7.55 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm7.55 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794614188
Side View
Table 61.0%Crown 32.5°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.4%

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: Oct 29
Current: $1,634 AUD|Low: $273 AUD|High: $1,674 AUD|Avg: $801 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4$280 AUD
Retailer 15$313 AUD
Retailer 14$325 AUD
Retailer 2$347 AUD
Retailer 6$349 AUD
Retailer 16$604 AUD
Retailer 9$628 AUD
Retailer 12$668 AUD
Retailer 13$821 AUD
Retailer 11$900 AUD
Retailer 5$1,039 AUD
Retailer 10$1,116 AUD
Retailer 7$1,134 AUD
Retailer 3$1,192 AUD
Retailer 8$1,239 AUD
MOH London$1,634 AUD

35 data points across 16 retailers

19 retailers$280 AUD to $1,634 AUD

A
Cheapest Retailer
-
$280 AUD
$197 USD
Retailer 2
-
$280 AUD
$197 USD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$313 AUD
$220 USD
View
Final sale: no returns
A
Retailer 4
-
$325 AUD
$228 USD
View
Retailer 5
-
$340 AUD
$239 USD
View
Price last confirmed 42 days ago
A
Retailer 6
-
$347 AUD
$244 USD
View
A
Retailer 7
-
$349 AUD
$245 USD
View
B+
Retailer 8
-
$604 AUD
$424 USD
View
A
Retailer 9
-
$628 AUD
£347 GBP
View
A
Retailer 10
-
$668 AUD
$469 USD
View
B+
Retailer 11
-
$821 AUD
$577 USD
View
B+
Retailer 12
-
$900 AUD
$632 USD
View
B
Retailer 13
-
$1,039 AUD
$730 USD
View
Retailer 14
-
$1,109 AUD
$779 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
$1,116 AUD
$784 USD
View
B+
Retailer 16
-
$1,134 AUD
SGD 1,076 SGD
View
B+
Retailer 17
-
$1,192 AUD
$837 USD
View
B
Retailer 18
-
$1,239 AUD
$870 USD
View
Most Expensive
B
MOH London
LG794614188 · Oct 25
$1,634 AUD
£904 GBP
View
18 more retailers have this diamond
Prices start from $280 AUDSave up to $1,354 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
$280 AUD