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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG842609053

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842609053

Diamond specifications and retailer prices

From €362 EUR
$404 USD
As of October 27, 2026
Save €2,780 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,142 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842609053 or 842609053. Listed at 22 retailers as of October 26, 2026, with prices from €362 to €3,142, a €2,780 spread on the same certified stone. Brilliant Earth lists it at €3,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842609053
Dimensions11.20 × 5.78 × 3.60 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.20 mm5.78 mm1.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842609053
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €684 EUR|Low: €362 EUR|High: €2,269 EUR|Avg: €1,032 EUR|-0.1%
Retailer 1
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Retailer 23
October 27, 2026
Retailer 7€362 EUR
Retailer 19€405 EUR
Retailer 3€448 EUR
Retailer 22€448 EUR
Retailer 10€455 EUR
Retailer 4€464 EUR
Retailer 6€582 EUR
Retailer 15€636 EUR
Retailer 1€684 EUR
Retailer 11€712 EUR
Retailer 16€714 EUR
Retailer 12€732 EUR
Retailer 18€758 EUR
Retailer 2€839 EUR
Retailer 5€980 EUR
Retailer 8€1,440 EUR
Retailer 13€1,472 EUR
Retailer 20€1,482 EUR
Retailer 14€1,644 EUR
Retailer 23€1,650 EUR
Retailer 17€1,753 EUR
Retailer 21€2,056 EUR
Retailer 9€2,269 EUR

16 data points across 23 retailers

22 retailers€362 EUR to €3,142 EUR

A
Cheapest Retailer
-
€362 EUR
$404 USD
Retailer 2
-
€405 EUR
$452 USD
View
Price last confirmed 8 days ago
Retailer 3
-
€448 EUR
$501 USD
View
Price last confirmed 7 days ago
Retailer 4
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€448 EUR
$501 USD
View
Price last confirmed 8 days ago
Retailer 5
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€582 EUR
$650 USD
View
Price last confirmed 5 days ago
Retailer 6
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€636 EUR
$711 USD
View
Price last confirmed 7 days ago
A
Retailer 7
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€684 EUR
View
Retailer 8
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€712 EUR
$796 USD
View
Price last confirmed 7 days ago
Retailer 9
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€714 EUR
$798 USD
View
Price last confirmed 7 days ago
A
Retailer 10
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€732 EUR
£644 GBP
View
Retailer 11
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€758 EUR
ZAR 13,679 ZAR
View
Price last confirmed 9 days ago
A
Retailer 12
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€839 EUR
$937 USD
View
Retailer 13
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€980 EUR
$1,095 USD
View
Price last confirmed 9 days ago
Retailer 14
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€1,440 EUR
$1,609 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
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€1,472 EUR
$1,645 USD
View
B+
Retailer 16
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€1,482 EUR
CA$2,300 CAD
View
B+
Retailer 17
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€1,644 EUR
$1,837 USD
View
Retailer 18
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€1,650 EUR
$1,844 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
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€1,753 EUR
£1,542 GBP
View
B
Retailer 20
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€2,056 EUR
$2,297 USD
View
Retailer 21
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€2,269 EUR
$2,535 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22269299A · Oct 26
€3,142 EUR
$3,510 USD
View
21 more retailers have this diamond
Prices start from €362 EURSave up to €2,780 EUR

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
€362 EUR