Marquise|Lab Grown|IGI

1.31ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG841659049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841659049

Diamond specifications and retailer prices

From €218 EUR
$244 USD
As of October 30, 2026
Save €1,869 EUR (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,086 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841659049 or 841659049. Listed at 18 retailers as of October 30, 2026, with prices from €218 to €2,086, a €1,869 spread on the same certified stone. Do Amore Diamonds lists it at €2,086. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841659049
Dimensions11.47 × 5.81 × 3.57 mm
L/W Ratio1.97
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
11.47 mm5.81 mm1.31 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841659049
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: Oct 30
Current: €2,086 EUR|Low: €218 EUR|High: €2,086 EUR|Avg: €723 EUR
Do Amore Diamonds
Retailer 2
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Retailer 18
October 31, 2026
Retailer 4€218 EUR
Retailer 5€243 EUR
Retailer 3€252 EUR
Retailer 16€270 EUR
Retailer 12€316 EUR
Retailer 6€453 EUR
Retailer 14€512 EUR
Retailer 9€553 EUR
Retailer 2€572 EUR
Retailer 8€649 EUR
Retailer 15€725 EUR
Retailer 11€747 EUR
Retailer 17€958 EUR
Retailer 10€1,107 EUR
Retailer 7€1,141 EUR
Retailer 18€1,196 EUR
Retailer 13€1,489 EUR
Do Amore Diamonds€2,086 EUR

11 data points across 18 retailers

18 retailers€218 EUR to €2,086 EUR

A
Cheapest Retailer
-
€218 EUR
$244 USD
A
Retailer 2
-
€243 EUR
$273 USD
View
Final sale: no returns
A
Retailer 3
-
€252 EUR
$283 USD
View
A
Retailer 4
-
€270 EUR
$303 USD
View
A
Retailer 5
-
€316 EUR
£279 GBP
View
A
Retailer 6
-
€453 EUR
$508 USD
View
A
Retailer 7
-
€512 EUR
ZAR 9,275 ZAR
View
A
Retailer 8
-
€553 EUR
$620 USD
View
A
Retailer 9
-
€572 EUR
£505 GBP
View
B+
Retailer 10
-
€649 EUR
$728 USD
View
B+
Retailer 11
-
€725 EUR
A$1,251 AUD
View
B+
Retailer 12
-
€747 EUR
$838 USD
View
B+
Retailer 13
-
€958 EUR
$1,074 USD
View
B
Retailer 14
-
€1,107 EUR
$1,242 USD
View
B
Retailer 15
-
€1,141 EUR
SGD 1,729 SGD
View
B
Retailer 16
-
€1,196 EUR
£1,056 GBP
View
B
Retailer 17
-
€1,489 EUR
$1,670 USD
View
Most Expensive
B
Do Amore Diamonds
27-A5B4FFDDE · Oct 31
€2,086 EUR
$2,340 USD
View
17 more retailers have this diamond
Prices start from €218 EURSave up to €1,869 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
€218 EUR