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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 $226 USD
As of November 2, 2026
Save $1,050 USD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,276 USD 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 $226 to $1,276, a $1,050 spread on the same certified stone. Reve Diamonds lists it at $1,276. 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
Color
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: $335 USD|Low: $217 USD|High: $1,276 USD|Avg: $590 USD|-1.3%
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$226 USD
Retailer 5$252 USD
Retailer 9$262 USD
Retailer 4$280 USD
Retailer 7$280 USD
Retailer 1$335 USD
Retailer 14$378 USD
Retailer 16$467 USD
Retailer 11$483 USD
Retailer 10$518 USD
Retailer 13$564 USD
Retailer 15$683 USD
Retailer 17$751 USD
Retailer 2$765 USD
Retailer 8$900 USD
Retailer 3$903 USD
Retailer 12$1,123 USD
Reve Diamonds$1,276 USD

37 data points across 18 retailers

21 retailers$226 USD to $1,276 USD

A
Cheapest Retailer
-
$226 USD
A
Retailer 2
-
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$262 USD
View
A
Retailer 4
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$280 USD
View
Retailer 5
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$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$335 USD
£264 GBP
View
B+
Retailer 7
-
$378 USD
View
A
Retailer 8
-
$467 USD
€445 EUR
View
A
Retailer 9
-
$483 USD
ZAR 7,810 ZAR
View
A
Retailer 10
-
$511 USD
View
A
Retailer 11
-
$518 USD
£408 GBP
View
B+
Retailer 12
-
$564 USD
A$868 AUD
View
B+
Retailer 13
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$600 USD
View
B+
Retailer 14
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$683 USD
A$1,051 AUD
View
B+
Retailer 15
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$751 USD
A$1,155 AUD
View
B+
Retailer 16
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$765 USD
View
B
Retailer 17
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$900 USD
View
B
Retailer 18
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$903 USD
View
B
Retailer 19
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$953 USD
View
B
Retailer 20
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$1,123 USD
£884 GBP
View
Most Expensive
B
Reve Diamonds
A8865663F · Nov 1
$1,276 USD
View
20 more retailers have this diamond
Prices start from $226 USDSave up to $1,050 USD

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
$226 USD