CaratHunter
Plans
Round|Lab Grown|IGI

1.54ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136600

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136600

Diamond specifications and retailer prices

From $1,227 AUD
$860 USD
As of November 2, 2026
Save $5,108 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,335 AUD at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136600 or 485136600. Listed at 11 retailers as of November 1, 2026, with prices from $1,227 to $6,335, a $5,108 spread on the same certified stone. MOH London lists it at $6,335. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136600
Dimensions7.34 × 7.29 × 4.62 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
7.34 mm7.29 mm1.54 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136600
Side View
Table 55.5%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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: Nov 2
Current: $6,335 AUD|Low: $1,227 AUD|High: $6,420 AUD|Avg: $2,933 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$1,227 AUD
Retailer 3$1,699 AUD
Retailer 6$1,903 AUD
Retailer 4$1,972 AUD
Retailer 7$2,219 AUD
Retailer 9$2,795 AUD
Retailer 5$3,129 AUD
Retailer 8$3,777 AUD
MOH London$6,335 AUD

16 data points across 9 retailers

11 retailers$1,227 AUD to $6,335 AUD

A
Cheapest Retailer
-
$1,227 AUD
$860 USD
B+
Retailer 2
-
$1,699 AUD
$1,191 USD
View
B+
Retailer 3
-
$1,849 AUD
$1,296 USD
View
B+
Retailer 4
-
$1,903 AUD
$1,334 USD
View
Final sale: no returns
Retailer 5
-
$1,972 AUD
$1,382 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$1,972 AUD
$1,382 USD
View
B+
Retailer 7
-
$2,219 AUD
$1,555 USD
View
B
Retailer 8
-
$3,129 AUD
$2,193 USD
View
B
Retailer 9
-
$3,696 AUD
$2,590 USD
View
B
Retailer 10
-
$3,777 AUD
$2,647 USD
View
Most Expensive
B
MOH London
LG485136600 · Nov 1
$6,335 AUD
£3,496 GBP
View
10 more retailers have this diamond
Prices start from $1,227 AUDSave up to $5,108 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
$1,227 AUD