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 $339 USD
As of October 28, 2026
Save $724 USD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,118 USD 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 23, 2026, with a 214% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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 28
Current: $1,118 USD|Low: $328 USD|High: $1,125 USD|Avg: $624 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 4$339 USD
Retailer 2$367 USD
Retailer 6$479 USD
Retailer 3$499 USD
Retailer 5$1,063 USD
MOH London$1,118 USD

38 data points across 6 retailers

5 retailers$339 USD to $1,063 USD

B+
Cheapest Retailer
-
$339 USD
A
Retailer 2
-
$367 USD
View
A
Retailer 3
-
$499 USD
£393 GBP
View
B
Retailer 4
-
$1,063 USD
View
Most Expensive
B
MOH London
LG598394536 · Oct 21
$1,118 USD
£880 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $339 USDSave up to $724 USD

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
$339 USD