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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754594706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594706

Diamond specifications and retailer prices

From €4,129 EUR
$4,613 USD
As of October 31, 2026
Save €13,843 EUR (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €17,973 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG754594706 or 754594706. Listed at 14 retailers as of October 31, 2026, with prices from €4,129 to €17,973, a €13,843 spread on the same certified stone. With Clarity lists it at €17,973. 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

3.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594706
Dimensions14.73 × 7.56 × 4.77 mm
L/W Ratio1.95
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
14.73 mm7.56 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594706
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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: €9,364 EUR|Low: €4,129 EUR|High: €21,135 EUR|Avg: €9,600 EUR|-14.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 1, 2026
Retailer 13€4,129 EUR
Retailer 11€4,230 EUR
Retailer 3€5,671 EUR
Retailer 6€5,861 EUR
Retailer 10€6,883 EUR
Retailer 2€6,959 EUR
Retailer 9€7,423 EUR
Retailer 7€8,199 EUR
Retailer 4€8,458 EUR
Retailer 1€9,364 EUR
Retailer 8€10,500 EUR
Retailer 12€12,170 EUR
Retailer 5€16,123 EUR
With Clarity€17,973 EUR

39 data points across 14 retailers

14 retailers€4,129 EUR to €17,973 EUR

A
Cheapest Retailer
-
€4,129 EUR
$4,613 USD
A
Retailer 2
-
€4,230 EUR
$4,726 USD
View
B+
Retailer 3
-
€5,671 EUR
HK$49,500 HKD
View
B+
Retailer 4
-
€5,861 EUR
£5,156 GBP
View
B+
Retailer 5
-
€6,883 EUR
$7,690 USD
View
B+
Retailer 6
-
€6,959 EUR
$7,775 USD
View
B+
Retailer 7
-
€7,423 EUR
View
B+
Retailer 8
-
€8,199 EUR
$9,160 USD
View
B+
Retailer 9
-
€8,458 EUR
$9,449 USD
View
B+
Retailer 10
-
€9,364 EUR
£8,237 GBP
View
B+
Retailer 11
-
€10,500 EUR
ZAR 189,502 ZAR
View
Retailer 12
-
€12,170 EUR
$13,596 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
€16,123 EUR
$18,013 USD
View
Most Expensive
B
With Clarity
754594706 · Oct 31
€17,973 EUR
$20,079 USD
View
13 more retailers have this diamond
Prices start from €4,129 EURSave up to €13,843 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
3.09ct Marquise
€4,129 EUR