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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 $3,402 AUD
$2,390 USD
As of October 31, 2026
Save $1,061 AUD (24%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,598 AUD at Loose Grown Diamond · As of November 1, 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 31, 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,598 AUD|Low: $3,402 AUD|High: $11,491 AUD|Avg: $6,374 AUD|+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
November 1, 2026
Retailer 10$3,402 AUD
Retailer 9$3,652 AUD
Retailer 14$3,972 AUD
Retailer 3$4,087 AUD
Retailer 11$4,235 AUD
Retailer 5$4,463 AUD
Retailer 7$5,720 AUD
Retailer 13$5,821 AUD
Retailer 8$6,215 AUD
Loose Grown Diamond$6,598 AUD
Retailer 4$8,027 AUD
Retailer 6$11,207 AUD
Retailer 12$11,308 AUD
Retailer 2$11,340 AUD

43 data points across 14 retailers

15 retailers$3,402 AUD to $4,463 AUD

B
Cheapest Retailer
-
$3,402 AUD
$2,390 USD
B
Retailer 2
-
$3,652 AUD
$2,565 USD
View
B
Retailer 3
-
$3,972 AUD
$2,790 USD
View
B
Retailer 4
-
$4,087 AUD
$2,871 USD
View
Final sale: no returns
Retailer 5
-
$4,235 AUD
$2,975 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$4,235 AUD
$2,975 USD
View
B
Retailer 7
-
$4,463 AUD
$3,135 USD
View
Retailer 8
-
$5,720 AUD
£3,164 GBP
View
Price under review
Retailer 9
-
$5,821 AUD
$4,089 USD
View
Price under review
Retailer 10
-
$6,215 AUD
$4,366 USD
View
Price under review
Most Expensive
Loose Grown Diamond
508138491 · Nov 1
$6,598 AUD
$4,635 USD
View
Price under review
10 more retailers have this diamond
Prices start from $3,402 AUDSave up to $1,061 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.

B
1.91ct Princess
$3,402 AUD