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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608344

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608344

Diamond specifications and retailer prices

From €2,951 EUR
$3,310 USD
As of November 2, 2026
Save €17,350 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €20,301 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839608344 or 839608344. Listed at 19 retailers as of November 2, 2026, with prices from €2,951 to €20,301, a €17,350 spread on the same certified stone. Do Amore Diamonds lists it at €20,301. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608344
Dimensions14.67 × 7.52 × 4.73 mm
L/W Ratio1.95
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
14.67 mm7.52 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608344
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.9%

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: Nov 2
Current: €20,301 EUR|Low: €2,951 EUR|High: €38,553 EUR|Avg: €7,423 EUR|-2.5%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 2, 2026
Retailer 3€2,951 EUR
Retailer 4€3,046 EUR
Retailer 13€3,211 EUR
Retailer 20€3,242 EUR
Retailer 5€3,562 EUR
Retailer 2€4,496 EUR
Retailer 18€4,722 EUR
Retailer 19€4,722 EUR
Retailer 10€5,229 EUR
Retailer 15€5,313 EUR
Retailer 8€6,261 EUR
Retailer 9€6,901 EUR
Retailer 12€7,734 EUR
Retailer 6€8,057 EUR
Retailer 14€8,094 EUR
Retailer 16€8,624 EUR
Retailer 7€9,374 EUR
Retailer 17€14,433 EUR
Retailer 11€16,112 EUR
Do Amore Diamonds€20,301 EUR

31 data points across 20 retailers

19 retailers€2,951 EUR to €20,301 EUR

A
Cheapest Retailer
-
€2,951 EUR
$3,310 USD
A
Retailer 2
-
€3,046 EUR
$3,416 USD
View
A
Retailer 3
-
€3,211 EUR
$3,601 USD
View
A
Retailer 4
-
€3,242 EUR
$3,636 USD
View
A
Retailer 5
-
€3,562 EUR
$3,995 USD
View
A
Retailer 6
-
€4,496 EUR
£3,971 GBP
View
A
Retailer 7
-
€4,722 EUR
$5,296 USD
View
A
Retailer 8
-
€4,722 EUR
$5,296 USD
View
A
Retailer 9
-
€5,229 EUR
$5,865 USD
View
A
Retailer 10
-
€5,313 EUR
$5,959 USD
View
B+
Retailer 11
-
€6,261 EUR
View
B+
Retailer 12
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€6,901 EUR
$7,740 USD
View
Retailer 13
-
€7,734 EUR
$8,674 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
€8,057 EUR
$9,037 USD
View
B+
Retailer 15
-
€8,094 EUR
£7,148 GBP
View
B+
Retailer 16
-
€8,624 EUR
A$14,881 AUD
View
B+
Retailer 17
-
€9,374 EUR
$10,514 USD
View
B
Retailer 18
-
€14,433 EUR
A$24,904 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8D06CDB17 · Nov 2
€20,301 EUR
$22,770 USD
View
18 more retailers have this diamond
Prices start from €2,951 EURSave up to €17,350 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
€2,951 EUR