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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG804659668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804659668

Diamond specifications and retailer prices

From €4,142 EUR
$4,627 USD
As of October 31, 2026
Save €13,889 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €18,031 EUR at With Clarity · As of November 2, 2026
View at With Clarity

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 LG804659668 or 804659668. Listed at 10 retailers as of October 31, 2026, with prices from €4,142 to €18,031, a €13,889 spread on the same certified stone. With Clarity lists it at €18,031. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659668
Dimensions15.94 × 7.55 × 4.57 mm
L/W Ratio2.11
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
15.94 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659668
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
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: Oct 31
Current: €5,880 EUR|Low: €4,142 EUR|High: €21,204 EUR|Avg: €10,063 EUR|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 2, 2026
Retailer 7€4,142 EUR
Retailer 9€5,683 EUR
Retailer 1€5,880 EUR
Retailer 8€6,982 EUR
Retailer 5€7,447 EUR
Retailer 4€8,235 EUR
Retailer 2€9,238 EUR
Retailer 3€9,393 EUR
Retailer 6€12,209 EUR
Retailer 10€16,175 EUR
With Clarity€18,031 EUR

37 data points across 11 retailers

10 retailers€4,142 EUR to €18,031 EUR

A
Cheapest Retailer
-
€4,142 EUR
$4,627 USD
B+
Retailer 2
-
€5,683 EUR
HK$49,600 HKD
View
B+
Retailer 3
-
€5,880 EUR
£5,173 GBP
View
B+
Retailer 4
-
€6,982 EUR
$7,800 USD
View
B+
Retailer 5
-
€7,447 EUR
View
B+
Retailer 6
-
€8,235 EUR
$9,200 USD
View
B+
Retailer 7
-
€9,393 EUR
£8,263 GBP
View
Retailer 8
-
€12,209 EUR
$13,640 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
€16,175 EUR
$18,071 USD
View
Most Expensive
B
With Clarity
804659668 · Nov 2
€18,031 EUR
$20,144 USD
View
9 more retailers have this diamond
Prices start from €4,142 EURSave up to €13,889 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
€4,142 EUR