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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG828671781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828671781

Diamond specifications and retailer prices

From $311 AUD
$218 USD
As of November 2, 2026
Save $1,476 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,787 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 LG828671781 or 828671781. Listed at 18 retailers as of November 1, 2026, with prices from $311 to $1,787, a $1,476 spread on the same certified stone. Reve Diamonds lists it at $1,787. 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 angle30.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828671781
Dimensions10.73 × 5.90 × 3.60 mm
L/W Ratio1.82
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.73 mm5.90 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828671781
Side View
Table 55.0%Crown 30.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.0%

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: $712 AUD|Low: $300 AUD|High: $1,568 AUD|Avg: $760 AUD|+3.8%
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
November 2, 2026
Retailer 2$311 AUD
Retailer 7$348 AUD
Retailer 5$361 AUD
Retailer 3$387 AUD
Retailer 6$387 AUD
Retailer 11$521 AUD
Retailer 14$647 AUD
Retailer 8$667 AUD
Retailer 1$712 AUD
Retailer 13$944 AUD
Retailer 12$1,061 AUD
Retailer 9$1,084 AUD
Retailer 4$1,243 AUD
Retailer 15$1,247 AUD
Retailer 10$1,549 AUD

44 data points across 15 retailers

18 retailers$311 AUD to $1,787 AUD

A
Cheapest Retailer
-
$311 AUD
$218 USD
A
Retailer 2
-
$348 AUD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$361 AUD
$253 USD
View
Retailer 4
-
$387 AUD
$271 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$387 AUD
$271 USD
View
B+
Retailer 6
-
$521 AUD
$365 USD
View
A
Retailer 7
-
$647 AUD
€432 EUR
View
A
Retailer 8
-
$667 AUD
ZAR 7,555 ZAR
View
A
Retailer 9
-
$712 AUD
£393 GBP
View
A
Retailer 10
-
$726 AUD
$509 USD
View
B+
Retailer 11
-
$944 AUD
View
B+
Retailer 12
-
$1,061 AUD
View
B+
Retailer 13
-
$1,084 AUD
$760 USD
View
B
Retailer 14
-
$1,243 AUD
$871 USD
View
B
Retailer 15
-
$1,247 AUD
$874 USD
View
B
Retailer 16
-
$1,318 AUD
$924 USD
View
B
Retailer 17
-
$1,549 AUD
£855 GBP
View
Most Expensive
B
Reve Diamonds
94255A0C7 · Nov 1
$1,787 AUD
$1,252 USD
View
17 more retailers have this diamond
Prices start from $311 AUDSave up to $1,476 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
$311 AUD