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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645166

Diamond specifications and retailer prices

From €276 EUR
$308 USD
As of November 2, 2026
Save €2,168 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,444 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 LG784645166 or 784645166. Listed at 15 retailers as of November 2, 2026, with prices from €276 to €2,444, a €2,168 spread on the same certified stone. Do Amore Diamonds lists it at €2,444. 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 angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645166
Dimensions11.09 × 5.73 × 3.59 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
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
11.09 mm5.73 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645166
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.7%

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: €2,444 EUR|Low: €276 EUR|High: €3,070 EUR|Avg: €1,089 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 11€276 EUR
Retailer 3€320 EUR
Retailer 7€349 EUR
Retailer 12€485 EUR
Retailer 5€501 EUR
Retailer 14€557 EUR
Retailer 9€641 EUR
Retailer 6€646 EUR
Retailer 10€726 EUR
Retailer 13€1,049 EUR
Retailer 15€1,211 EUR
Retailer 2€1,510 EUR
Retailer 4€2,018 EUR
Retailer 8€2,041 EUR
Do Amore Diamonds€2,444 EUR

29 data points across 15 retailers

15 retailers€276 EUR to €2,444 EUR

A+
Cheapest Retailer
-
€276 EUR
$308 USD
A
Retailer 2
-
€320 EUR
$357 USD
View
A
Retailer 3
-
€349 EUR
$390 USD
View
Final sale: no returns
A
Retailer 4
-
€485 EUR
$542 USD
View
A
Retailer 5
-
€501 EUR
$560 USD
View
A
Retailer 6
-
€557 EUR
$622 USD
View
A
Retailer 7
-
€641 EUR
View
A
Retailer 8
-
€646 EUR
$722 USD
View
A
Retailer 9
-
€726 EUR
A$1,248 AUD
View
B+
Retailer 10
-
€1,049 EUR
$1,172 USD
View
B+
Retailer 11
-
€1,211 EUR
$1,353 USD
View
B+
Retailer 12
-
€1,510 EUR
£1,328 GBP
View
B
Retailer 13
-
€2,018 EUR
$2,255 USD
View
B+
Retailer 14
-
€2,041 EUR
$2,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-03DF28AEE · Nov 2
€2,444 EUR
$2,730 USD
View
14 more retailers have this diamond
Prices start from €276 EURSave up to €2,168 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
€276 EUR