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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 €2,963 EUR
$3,310 USD
As of October 30, 2026
Save €17,418 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €20,381 EUR at Do Amore Diamonds · As of October 31, 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 October 30, 2026, with prices from €2,963 to €20,381, a €17,418 spread on the same certified stone. Do Amore Diamonds lists it at €20,381. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €20,381 EUR|Low: €2,963 EUR|High: €38,705 EUR|Avg: €7,457 EUR|-2.5%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20€2,963 EUR
Retailer 3€3,058 EUR
Retailer 8€3,242 EUR
Retailer 19€3,255 EUR
Retailer 4€3,576 EUR
Retailer 15€4,514 EUR
Retailer 17€4,740 EUR
Retailer 18€4,740 EUR
Retailer 10€5,250 EUR
Retailer 13€5,334 EUR
Retailer 7€6,286 EUR
Retailer 9€6,928 EUR
Retailer 12€7,764 EUR
Retailer 5€8,089 EUR
Retailer 2€8,126 EUR
Retailer 14€8,658 EUR
Retailer 6€9,411 EUR
Retailer 16€14,489 EUR
Retailer 11€16,175 EUR
Do Amore Diamonds€20,381 EUR

30 data points across 20 retailers

19 retailers€2,963 EUR to €20,381 EUR

A
Cheapest Retailer
-
€2,963 EUR
$3,310 USD
A
Retailer 2
-
€3,058 EUR
$3,416 USD
View
A
Retailer 3
-
€3,242 EUR
$3,622 USD
View
A
Retailer 4
-
€3,255 EUR
$3,636 USD
View
A
Retailer 5
-
€3,576 EUR
$3,995 USD
View
A
Retailer 6
-
€4,514 EUR
£3,971 GBP
View
A
Retailer 7
-
€4,740 EUR
$5,296 USD
View
A
Retailer 8
-
€4,740 EUR
$5,296 USD
View
A
Retailer 9
-
€5,250 EUR
$5,865 USD
View
A
Retailer 10
-
€5,334 EUR
$5,959 USD
View
B+
Retailer 11
-
€6,286 EUR
View
B+
Retailer 12
-
€6,928 EUR
$7,740 USD
View
Retailer 13
-
€7,764 EUR
$8,674 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
€8,089 EUR
$9,037 USD
View
B+
Retailer 15
-
€8,126 EUR
£7,148 GBP
View
B+
Retailer 16
-
€8,658 EUR
A$14,881 AUD
View
B+
Retailer 17
-
€9,411 EUR
$10,514 USD
View
B
Retailer 18
-
€14,489 EUR
A$24,904 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8D06CDB17 · Oct 31
€20,381 EUR
$22,770 USD
View
18 more retailers have this diamond
Prices start from €2,963 EURSave up to €17,418 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
€2,963 EUR