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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676818

Diamond specifications and retailer prices

From €274 EUR
As of November 4, 2026
Save €2,158 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,432 EUR at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676818 or 800676818. Listed at 15 retailers as of November 4, 2026, with prices from €274 to €2,432, a €2,158 spread on the same certified stone. Do Amore Diamonds lists it at €2,432. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676818
Dimensions11.36 × 5.67 × 3.58 mm
L/W Ratio2.00
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
11.36 mm5.67 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676818
Side View
Table 56.0%Crown 33°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €2,432 EUR|Low: €274 EUR|High: €3,056 EUR|Avg: €1,115 EUR|-11.9%
Do Amore Diamonds
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
November 5, 2026
Retailer 9€274 EUR
Retailer 14€318 EUR
Retailer 6€347 EUR
Retailer 10€483 EUR
Retailer 4€499 EUR
Retailer 12€554 EUR
Retailer 8€638 EUR
Retailer 5€643 EUR
Retailer 11€1,044 EUR
Retailer 13€1,205 EUR
Retailer 2€1,499 EUR
Retailer 7€2,031 EUR
Retailer 3€2,036 EUR
Do Amore Diamonds€2,432 EUR

29 data points across 14 retailers

15 retailers€274 EUR to €2,432 EUR

A+
Cheapest Retailer
-
€274 EUR
A
Retailer 2
-
€318 EUR
View
A
Retailer 3
-
€347 EUR
View
Final sale: no returns
A
Retailer 4
-
€483 EUR
View
A
Retailer 5
-
€499 EUR
View
A
Retailer 6
-
€554 EUR
View
Retailer 7
-
€638 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
€643 EUR
View
B+
Retailer 9
-
€1,044 EUR
View
B+
Retailer 10
-
€1,205 EUR
View
B+
Retailer 11
-
€1,499 EUR
View
Retailer 12
-
€2,009 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€2,031 EUR
View
Retailer 14
-
€2,036 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-AF37410EA · Nov 4
€2,432 EUR
$2,730 USD
View
14 more retailers have this diamond
Prices start from €274 EURSave up to €2,158 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
€274 EUR