Princess|Lab Grown|IGI

1.20ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG800681300

Shape and cutting style on the report: Princess cut

Certificate IGI LG800681300

Diamond specifications and retailer prices

From $408 USD
As of November 1, 2026
Save $679 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,087 USD at MOH London · As of November 2, 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 LG800681300 or 800681300. Listed at 7 retailers as of November 1, 2026, with prices from $408 to $1,087, a $679 spread on the same certified stone. MOH London lists it at $1,087. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800681300
Dimensions5.80 × 5.79 × 4.07 mm
L/W Ratio1.00
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
5.80 mm5.79 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG800681300
Side View
Table 70.0%Crown 45.1°Girdle: MediumPavilion 38.1°Culet: NoneDepth 70.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,087 USD|Low: $383 USD|High: $1,100 USD|Avg: $600 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$397 USD
Retailer 6$408 USD
Retailer 2$418 USD
Retailer 8$455 USD
Retailer 5$478 USD
Retailer 4$705 USD
Retailer 7$763 USD
Retailer 9$801 USD
MOH London$1,087 USD

18 data points across 9 retailers

7 retailers$408 USD to $1,087 USD

A
Cheapest Retailer
-
$408 USD
A
Retailer 2
-
$418 USD
£329 GBP
View
A
Retailer 3
-
$455 USD
View
Retailer 4
-
$705 USD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$779 USD
View
B
Retailer 6
-
$801 USD
View
Most Expensive
B
MOH London
LG800681300 · Nov 2
$1,087 USD
£856 GBP
View
6 more retailers have this diamond
Prices start from $408 USDSave up to $679 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
$408 USD