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Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG696550358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG696550358

Diamond specifications and retailer prices

From $531 AUD
As of November 6, 2026
Save $502 AUD (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,859 AUD at MOH London · As of October 29, 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 LG696550358 or 696550358. Listed at 5 retailers as of November 4, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696550358
Dimensions7.41 × 7.37 × 4.57 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
7.41 mm7.37 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696550358
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: $1,859 AUD|Low: $531 AUD|High: $5,826 AUD|Avg: $1,615 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$531 AUD
Retailer 4$707 AUD
Retailer 6$848 AUD
Retailer 2$894 AUD
Retailer 7$1,009 AUD
Retailer 3$1,033 AUD
MOH London$1,859 AUD
Retailer 8$5,826 AUD

21 data points across 8 retailers

5 retailers$531 AUD to $1,033 AUD

A
Cheapest Retailer
-
$531 AUD
A
Retailer 2
-
$707 AUD
View
B+
Retailer 3
-
$894 AUD
View
B+
Retailer 4
-
$1,033 AUD
View
Most Expensive
MOH London
LG696550358 · Oct 29
$1,859 AUD
£1,006 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $531 AUDSave up to $502 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
$531 AUD