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Princess|Lab Grown|IGI

1.20ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG598394536

Shape and cutting style on the report: Princess cut

Certificate IGI LG598394536

Diamond specifications and retailer prices

From $483 AUD
$339 USD
As of October 30, 2026
Save $40 AUD (8%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,591 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598394536 or 598394536. Listed at 5 retailers as of October 30, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.1°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394536
Dimensions5.83 × 5.79 × 4.04 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.83 mm5.79 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG598394536
Side View
Table 68.0%Crown 41.1°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 69.8%

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: Oct 30
Current: $1,591 AUD|Low: $467 AUD|High: $1,602 AUD|Avg: $891 AUD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 4$483 AUD
Retailer 2$522 AUD
Retailer 6$682 AUD
Retailer 3$710 AUD
Retailer 5$1,514 AUD
MOH London$1,591 AUD

37 data points across 6 retailers

5 retailers$483 AUD to $522 AUD

B+
Cheapest Retailer
-
$483 AUD
$339 USD
A
Retailer 2
-
$522 AUD
$367 USD
View
Retailer 3
-
$710 AUD
£393 GBP
View
Price last confirmed 8 days ago
Retailer 4
-
$1,514 AUD
$1,063 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG598394536 · Oct 21
$1,591 AUD
£880 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from $483 AUDSave up to $40 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
1.20ct Princess
$483 AUD