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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768628562

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768628562

Diamond specifications and retailer prices

From €12,084 EUR
$13,500 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: €12,084 EUR at Brilliant Earth
View at Brilliant Earth

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 LG768628562 or 768628562. Listed at 3 retailers as of October 31, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628562
Dimensions14.80 × 7.57 × 4.79 mm
L/W Ratio1.96
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
14.80 mm7.57 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628562
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €12,084 EUR|Low: €3,617 EUR|High: €24,312 EUR|Avg: €10,212 EUR|-18.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 31, 2026
Retailer 11€3,617 EUR
Retailer 9€3,784 EUR
Retailer 5€4,364 EUR
Retailer 6€6,499 EUR
Retailer 8€6,683 EUR
Retailer 2€6,808 EUR
Retailer 12€6,863 EUR
Retailer 7€8,633 EUR
Retailer 10€10,252 EUR
Brilliant Earth€12,084 EUR
Retailer 4€17,837 EUR
Retailer 3€19,249 EUR

44 data points across 12 retailers

3 retailers

Retailer 1
-
€6,499 EUR
$7,260 USD
Price last confirmed 76 days ago
Retailer 2
-
€6,863 EUR
HK$59,900 HKD
View
Price last confirmed 61 days ago
Most Expensive
B
Brilliant Earth
19647619Y · Oct 31
€12,084 EUR
$13,500 USD
View
2 more retailers have this diamond

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.

B
3.09ct Marquise
€12,084 EUR