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Round|Lab Grown|IGI

1.54ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG483125649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483125649

Diamond specifications and retailer prices

From $1,210 AUD
$850 USD
As of October 30, 2026
Save $5,510 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,720 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483125649 or 483125649. Listed at 10 retailers as of October 29, 2026, with prices from $1,210 to $6,720, a $5,510 spread on the same certified stone. MOH London lists it at $6,720. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483125649
Dimensions7.54 × 7.49 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.54 mm7.49 mm1.54 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483125649
Side View
Table 61.5%Crown 32.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,720 AUD|Low: $1,210 AUD|High: $6,764 AUD|Avg: $3,049 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,210 AUD
Retailer 5$1,794 AUD
Retailer 9$1,952 AUD
Retailer 8$2,009 AUD
Retailer 6$2,080 AUD
Retailer 3$2,444 AUD
Retailer 12$2,881 AUD
Retailer 7$3,296 AUD
Retailer 11$3,878 AUD
Retailer 10$3,899 AUD
Retailer 4$4,657 AUD
MOH London$6,720 AUD

14 data points across 12 retailers

10 retailers$1,210 AUD to $6,720 AUD

A
Cheapest Retailer
-
$1,210 AUD
$850 USD
B+
Retailer 2
-
$1,794 AUD
$1,260 USD
View
B+
Retailer 3
-
$1,952 AUD
$1,371 USD
View
B+
Retailer 4
-
$2,009 AUD
$1,411 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,080 AUD
$1,461 USD
View
Retailer 6
-
$2,080 AUD
$1,461 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,296 AUD
$2,315 USD
View
B
Retailer 8
-
$3,878 AUD
$2,724 USD
View
B
Retailer 9
-
$3,899 AUD
$2,739 USD
View
Most Expensive
B
MOH London
LG483125649 · Oct 29
$6,720 AUD
£3,717 GBP
View
9 more retailers have this diamond
Prices start from $1,210 AUDSave up to $5,510 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
$1,210 AUD