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Round|Lab Grown|IGI

1.60ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG425065245

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065245

Diamond specifications and retailer prices

From $1,281 AUD
$900 USD
As of October 30, 2026
Save $4,649 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,930 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065245 or 425065245. Listed at 10 retailers as of October 25, 2026, with prices from $1,281 to $5,930, a $4,649 spread on the same certified stone. MOH London lists it at $5,930. 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

1.60
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065245
Dimensions7.60 × 7.58 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.60 mm7.58 mm1.60 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065245
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 40.6°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: $5,930 AUD|Low: $1,268 AUD|High: $6,001 AUD|Avg: $2,821 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,281 AUD
Retailer 3$1,589 AUD
Retailer 6$1,778 AUD
Retailer 4$1,844 AUD
Retailer 7$1,844 AUD
Retailer 9$2,641 AUD
Retailer 5$2,931 AUD
Retailer 8$3,738 AUD
Retailer 10$4,122 AUD
MOH London$5,930 AUD

15 data points across 10 retailers

10 retailers$1,281 AUD to $5,930 AUD

A
Cheapest Retailer
-
$1,281 AUD
$900 USD
B+
Retailer 2
-
$1,589 AUD
$1,116 USD
View
B+
Retailer 3
-
$1,728 AUD
$1,214 USD
View
B+
Retailer 4
-
$1,778 AUD
$1,249 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,844 AUD
$1,295 USD
View
Retailer 6
-
$1,844 AUD
$1,295 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,931 AUD
$2,059 USD
View
B
Retailer 8
-
$3,455 AUD
$2,427 USD
View
B
Retailer 9
-
$3,738 AUD
$2,626 USD
View
Most Expensive
B
MOH London
LG425065245 · Oct 25
$5,930 AUD
£3,280 GBP
View
9 more retailers have this diamond
Prices start from $1,281 AUDSave up to $4,649 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
1.60ct Round
$1,281 AUD