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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645690

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645690

Diamond specifications and retailer prices

From €3,165 EUR
$3,536 USD
As of October 30, 2026
Save €18,613 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €21,778 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645690 or 784645690. Listed at 14 retailers as of October 30, 2026, with prices from €3,165 to €21,778, a €18,613 spread on the same certified stone. Do Amore Diamonds lists it at €21,778. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645690
Dimensions14.40 × 7.55 × 4.85 mm
L/W Ratio1.91
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
14.40 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645690
Side View
Table 57.0%Crown 36.2°Girdle: STK-VTKPavilion 39.4°Culet: NoneDepth 64.2%

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: €21,778 EUR|Low: €3,165 EUR|High: €25,071 EUR|Avg: €7,163 EUR|-13.1%
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 1, 2026
Retailer 10€3,165 EUR
Retailer 11€3,318 EUR
Retailer 8€3,461 EUR
Retailer 5€3,476 EUR
Retailer 13€3,809 EUR
Retailer 6€4,282 EUR
Retailer 7€4,964 EUR
Retailer 14€5,064 EUR
Retailer 2€5,695 EUR
Retailer 3€6,565 EUR
Retailer 12€6,941 EUR
Retailer 9€7,644 EUR
Retailer 4€8,774 EUR
Do Amore Diamonds€21,778 EUR

34 data points across 14 retailers

14 retailers€3,165 EUR to €21,778 EUR

A
Cheapest Retailer
-
€3,165 EUR
$3,536 USD
A
Retailer 2
-
€3,318 EUR
$3,707 USD
View
A
Retailer 3
-
€3,461 EUR
$3,867 USD
View
A
Retailer 4
-
€3,476 EUR
$3,883 USD
View
A
Retailer 5
-
€3,809 EUR
$4,255 USD
View
A
Retailer 6
-
€4,282 EUR
$4,784 USD
View
Final sale: no returns
A
Retailer 7
-
€4,964 EUR
$5,546 USD
View
A
Retailer 8
-
€5,064 EUR
$5,657 USD
View
B+
Retailer 9
-
€5,695 EUR
$6,362 USD
View
B+
Retailer 10
-
€6,565 EUR
$7,335 USD
View
B+
Retailer 11
-
€6,941 EUR
View
B+
Retailer 12
-
€7,644 EUR
$8,540 USD
View
B+
Retailer 13
-
€8,774 EUR
£7,718 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DE41D9F6F · Oct 31
€21,778 EUR
$24,330 USD
View
13 more retailers have this diamond
Prices start from €3,165 EURSave up to €18,613 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
3.10ct Marquise
€3,165 EUR