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Round|Lab Grown|IGI

1.62ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG451055667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055667

Diamond specifications and retailer prices

From $1,295 AUD
$910 USD
As of October 30, 2026
Save $4,707 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,002 AUD at MOH London · As of October 27, 2026
View at MOH London

About this 1.62ct lab-grown round diamond

This 1.62ct 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 LG451055667 or 451055667. Listed at 10 retailers as of October 27, 2026, with prices from $1,295 to $6,002, a $4,707 spread on the same certified stone. MOH London lists it at $6,002. 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

1.62
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055667
Dimensions7.45 × 7.42 × 4.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.45 mm7.42 mm1.62 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055667
Side View
Table 56.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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: $6,002 AUD|Low: $1,295 AUD|High: $6,066 AUD|Avg: $2,820 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,295 AUD
Retailer 4$1,609 AUD
Retailer 7$1,750 AUD
Retailer 9$1,799 AUD
Retailer 5$1,865 AUD
Retailer 11$2,669 AUD
Retailer 6$2,967 AUD
Retailer 8$3,496 AUD
Retailer 10$3,676 AUD
Retailer 3$4,172 AUD
MOH London$6,002 AUD

12 data points across 11 retailers

10 retailers$1,295 AUD to $6,002 AUD

A
Cheapest Retailer
-
$1,295 AUD
$910 USD
B+
Retailer 2
-
$1,609 AUD
$1,130 USD
View
B+
Retailer 3
-
$1,750 AUD
$1,229 USD
View
B+
Retailer 4
-
$1,799 AUD
$1,264 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,865 AUD
$1,310 USD
View
Retailer 6
-
$1,866 AUD
$1,311 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,967 AUD
$2,084 USD
View
B
Retailer 8
-
$3,496 AUD
$2,456 USD
View
B
Retailer 9
-
$3,676 AUD
$2,582 USD
View
Most Expensive
C
MOH London
LG451055667 · Oct 27
$6,002 AUD
£3,320 GBP
View
9 more retailers have this diamond
Prices start from $1,295 AUDSave up to $4,707 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
1.62ct Round
$1,295 AUD