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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676819

Diamond specifications and retailer prices

From €275 EUR
$308 USD
As of November 2, 2026
Save €2,159 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,434 EUR at Do Amore Diamonds · As of November 2, 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 LG800676819 or 800676819. Listed at 15 retailers as of November 2, 2026, with prices from €275 to €2,434, a €2,159 spread on the same certified stone. Do Amore Diamonds lists it at €2,434. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676819
Dimensions11.53 × 5.65 × 3.51 mm
L/W Ratio2.04
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
11.53 mm5.65 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676819
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

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 2
Current: €2,434 EUR|Low: €275 EUR|High: €3,058 EUR|Avg: €1,083 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
Retailer 15
November 1, 2026
Retailer 10€275 EUR
Retailer 15€318 EUR
Retailer 7€348 EUR
Retailer 11€483 EUR
Retailer 5€499 EUR
Retailer 13€555 EUR
Retailer 8€636 EUR
Retailer 6€644 EUR
Retailer 3€723 EUR
Retailer 12€1,045 EUR
Retailer 14€1,206 EUR
Retailer 2€1,504 EUR
Retailer 4€2,011 EUR
Retailer 9€2,033 EUR
Do Amore Diamonds€2,434 EUR

30 data points across 15 retailers

15 retailers€275 EUR to €2,434 EUR

A+
Cheapest Retailer
-
€275 EUR
$308 USD
A
Retailer 2
-
€318 EUR
$357 USD
View
A
Retailer 3
-
€348 EUR
$390 USD
View
Final sale: no returns
A
Retailer 4
-
€483 EUR
$542 USD
View
A
Retailer 5
-
€499 EUR
$560 USD
View
A
Retailer 6
-
€555 EUR
$622 USD
View
A
Retailer 7
-
€636 EUR
View
A
Retailer 8
-
€644 EUR
$722 USD
View
A
Retailer 9
-
€723 EUR
A$1,248 AUD
View
B+
Retailer 10
-
€1,045 EUR
$1,172 USD
View
B+
Retailer 11
-
€1,206 EUR
$1,353 USD
View
B+
Retailer 12
-
€1,504 EUR
£1,328 GBP
View
B
Retailer 13
-
€2,011 EUR
$2,255 USD
View
B+
Retailer 14
-
€2,033 EUR
$2,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-9FE0E3BBE · Nov 2
€2,434 EUR
$2,730 USD
View
14 more retailers have this diamond
Prices start from €275 EURSave up to €2,159 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
€275 EUR