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Marquise|Lab Grown|IGI

1.31ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG508156280

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508156280

Diamond specifications and retailer prices

From $1,427 AUD
$1,000 USD
As of November 2, 2026
Save $1,308 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,584 AUD at Friendly Diamonds · As of November 2, 2026
View at Friendly Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508156280 or 508156280. Listed at 14 retailers as of November 1, 2026, with a 92% 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

1.31
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156280
Dimensions11.11 × 5.79 × 3.51 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
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
11.11 mm5.79 mm1.31 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG508156280
Side View
Table 64.0%Crown 31.7°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,474 AUD|Low: $1,420 AUD|High: $5,888 AUD|Avg: $2,665 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$1,427 AUD
Retailer 6$1,478 AUD
Retailer 10$1,610 AUD
Retailer 11$1,657 AUD
Retailer 7$1,715 AUD
Retailer 3$1,962 AUD
Retailer 1$2,474 AUD
Retailer 8$2,735 AUD
Retailer 9$3,215 AUD
Retailer 2$4,741 AUD
Retailer 4$5,826 AUD

42 data points across 11 retailers

14 retailers$1,427 AUD to $2,735 AUD

B+
Cheapest Retailer
-
$1,427 AUD
$1,000 USD
B
Retailer 2
-
$1,478 AUD
$1,036 USD
View
B
Retailer 3
-
$1,610 AUD
$1,128 USD
View
B
Retailer 4
-
$1,657 AUD
$1,161 USD
View
Final sale: no returns
Retailer 5
-
$1,715 AUD
$1,202 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,715 AUD
$1,202 USD
View
B
Retailer 7
-
$1,962 AUD
$1,375 USD
View
B
Retailer 8
-
$2,474 AUD
£1,365 GBP
View
B
Retailer 9
-
$2,735 AUD
$1,917 USD
View
Retailer 10
-
$3,215 AUD
$2,253 USD
View
Price under review
Most Expensive
Friendly Diamonds
2231555 · Nov 2
$3,584 AUD
$2,512 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,427 AUDSave up to $1,308 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+
1.31ct Marquise
$1,427 AUD