Princess|Lab Grown|IGI

1.91ct F VS2 Princess Lab Grown Diamond

ID • F/VS2 • IGI LG508138491

Shape and cutting style on the report: Princess cut

Certificate IGI LG508138491

Diamond specifications and retailer prices

From $2,390 USD
As of October 29, 2026
Save $745 USD (24%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,635 USD at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508138491 or 508138491. Listed at 15 retailers as of October 29, 2026, with a 31% 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

1.91
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138491
Dimensions7.07 × 6.88 × 4.73 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.07 mm6.88 mm1.91 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138491
Side View
Table 71.0%Crown 43.4°Girdle: MediumPavilion 38.1°Culet: NoneDepth 68.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,635 USD|Low: $2,050 USD|High: $8,072 USD|Avg: $4,470 USD|+0.5%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 10$2,390 USD
Retailer 9$2,565 USD
Retailer 14$2,790 USD
Retailer 3$2,871 USD
Retailer 11$2,975 USD
Retailer 5$3,135 USD
Retailer 2$4,018 USD
Retailer 13$4,089 USD
Retailer 8$4,366 USD
Loose Grown Diamond$4,635 USD
Retailer 4$5,639 USD
Retailer 6$7,872 USD
Retailer 12$7,943 USD
Retailer 7$8,009 USD

44 data points across 14 retailers

15 retailers$2,390 USD to $3,135 USD

B
Cheapest Retailer
-
$2,390 USD
B
Retailer 2
-
$2,565 USD
View
B
Retailer 3
-
$2,790 USD
View
B
Retailer 4
-
$2,871 USD
View
Final sale: no returns
Retailer 5
-
$2,975 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,975 USD
View
B
Retailer 7
-
$3,135 USD
View
Retailer 8
-
$4,018 USD
£3,164 GBP
View
Price under review
Retailer 9
-
$4,089 USD
View
Price under review
Retailer 10
-
$4,366 USD
View
Price under review
Most Expensive
Loose Grown Diamond
508138491 · Oct 26
$4,635 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,390 USDSave up to $745 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.

B
1.91ct Princess
$2,390 USD