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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG782691142

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG782691142

Diamond specifications and retailer prices

From $294 AUD
$206 USD
As of November 2, 2026
Save $1,409 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,703 AUD at MOH London · As of November 1, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782691142 or 782691142. Listed at 19 retailers as of November 1, 2026, with prices from $294 to $1,703, a $1,409 spread on the same certified stone. MOH London lists it at $1,703. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782691142
Dimensions11.47 × 5.74 × 3.46 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm5.74 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782691142
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.3%

Caratlytics Score

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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 2
Current: $1,703 AUD|Low: $283 AUD|High: $1,725 AUD|Avg: $829 AUD
MOH London
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 2, 2026
Retailer 12$294 AUD
Retailer 4$341 AUD
Retailer 5$364 AUD
Retailer 14$364 AUD
Retailer 13$514 AUD
Retailer 9$604 AUD
Retailer 7$629 AUD
Retailer 2$666 AUD
Retailer 10$891 AUD
Retailer 11$945 AUD
Retailer 3$1,171 AUD
Retailer 8$1,256 AUD
Retailer 6$1,435 AUD
MOH London$1,703 AUD

44 data points across 14 retailers

19 retailers$294 AUD to $1,703 AUD

A
Cheapest Retailer
-
$294 AUD
$206 USD
A
Retailer 2
-
$341 AUD
$239 USD
View
A
Retailer 3
-
$364 AUD
$255 USD
View
Retailer 4
-
$364 AUD
$255 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$514 AUD
$360 USD
View
A
Retailer 6
-
$604 AUD
€403 EUR
View
A
Retailer 7
-
$629 AUD
ZAR 7,124 ZAR
View
A
Retailer 8
-
$666 AUD
£367 GBP
View
A
Retailer 9
-
$719 AUD
$504 USD
View
B+
Retailer 10
-
$891 AUD
View
B+
Retailer 11
-
$945 AUD
$662 USD
View
B+
Retailer 12
-
$950 AUD
$666 USD
View
Retailer 13
-
$1,030 AUD
View
Price last confirmed 139 days ago
B+
Retailer 14
-
$1,171 AUD
$821 USD
View
B
Retailer 15
-
$1,186 AUD
SGD 1,123 SGD
View
B
Retailer 16
-
$1,248 AUD
$874 USD
View
B+
Retailer 17
-
$1,256 AUD
$880 USD
View
B
Retailer 18
-
$1,435 AUD
£792 GBP
View
Most Expensive
B
MOH London
LG782691142 · Nov 1
$1,703 AUD
£940 GBP
View
18 more retailers have this diamond
Prices start from $294 AUDSave up to $1,409 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.

A
1.31ct Marquise
$294 AUD