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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG817690044

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817690044

Diamond specifications and retailer prices

From $322 AUD
$226 USD
As of November 2, 2026
Save $1,498 AUD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,821 AUD at Reve Diamonds · As of November 1, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817690044 or 817690044. Listed at 21 retailers as of November 1, 2026, with prices from $322 to $1,821, a $1,498 spread on the same certified stone. Reve Diamonds lists it at $1,821. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817690044
Dimensions12.77 × 5.35 × 3.28 mm
L/W Ratio2.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm5.35 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817690044
Side View
Table 60.0%Crown 33.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.3%

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: $977 AUD|Low: $310 AUD|High: $1,821 AUD|Avg: $842 AUD|-0.7%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 6$322 AUD
Retailer 5$360 AUD
Retailer 9$374 AUD
Retailer 4$400 AUD
Retailer 7$400 AUD
Retailer 10$478 AUD
Retailer 15$539 AUD
Retailer 16$667 AUD
Retailer 12$690 AUD
Retailer 11$739 AUD
Retailer 14$805 AUD
Retailer 1$977 AUD
Retailer 17$1,071 AUD
Retailer 2$1,092 AUD
Retailer 8$1,284 AUD
Retailer 3$1,288 AUD
Retailer 13$1,602 AUD
Reve Diamonds$1,821 AUD

37 data points across 18 retailers

21 retailers$322 AUD to $1,821 AUD

A
Cheapest Retailer
-
$322 AUD
$226 USD
A
Retailer 2
-
$360 AUD
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$374 AUD
$262 USD
View
A
Retailer 4
-
$400 AUD
$280 USD
View
Retailer 5
-
$400 AUD
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$478 AUD
£264 GBP
View
B+
Retailer 7
-
$539 AUD
$378 USD
View
A
Retailer 8
-
$667 AUD
€445 EUR
View
A
Retailer 9
-
$690 AUD
ZAR 7,810 ZAR
View
A
Retailer 10
-
$729 AUD
$511 USD
View
A
Retailer 11
-
$739 AUD
£408 GBP
View
B+
Retailer 12
-
$805 AUD
View
B+
Retailer 13
-
$856 AUD
$600 USD
View
B+
Retailer 14
-
$977 AUD
View
B+
Retailer 15
-
$1,071 AUD
View
B+
Retailer 16
-
$1,092 AUD
$765 USD
View
B
Retailer 17
-
$1,284 AUD
$900 USD
View
B
Retailer 18
-
$1,288 AUD
$903 USD
View
B
Retailer 19
-
$1,359 AUD
$953 USD
View
B
Retailer 20
-
$1,602 AUD
£884 GBP
View
Most Expensive
B
Reve Diamonds
A8865663F · Nov 1
$1,821 AUD
$1,276 USD
View
20 more retailers have this diamond
Prices start from $322 AUDSave up to $1,498 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
$322 AUD