Princess|Lab Grown|IGI

1.21ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG706531166

Shape and cutting style on the report: Princess cut

Certificate IGI LG706531166

Diamond specifications and retailer prices

From $388 USD
As of November 1, 2026
Save $634 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,022 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706531166 or 706531166. Listed at 7 retailers as of November 1, 2026, with prices from $388 to $1,022, a $634 spread on the same certified stone. MOH London lists it at $1,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706531166
Dimensions5.77 × 5.67 × 4.02 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.77 mm5.67 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706531166
Side View
Table 69.0%Crown 44.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 70.9%

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: Nov 1
Current: $1,022 USD|Low: $386 USD|High: $1,109 USD|Avg: $582 USD|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 4$388 USD
Retailer 2$392 USD
Retailer 3$432 USD
Retailer 6$556 USD
Retailer 5$757 USD
MOH London$1,022 USD

41 data points across 6 retailers

7 retailers$388 USD to $1,022 USD

A
Cheapest Retailer
-
$388 USD
A
Retailer 2
-
$392 USD
£309 GBP
View
A
Retailer 3
-
$432 USD
View
B+
Retailer 4
-
$556 USD
View
B+
Retailer 5
-
$645 USD
View
B+
Retailer 6
-
$757 USD
View
Most Expensive
B
MOH London
LG706531166 · Nov 1
$1,022 USD
£805 GBP
View
6 more retailers have this diamond
Prices start from $388 USDSave up to $634 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
1.21ct Princess
$388 USD