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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG744513922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744513922

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)
17 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 LG744513922 or 744513922. Listed at 17 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513922
Dimensions14.37 × 7.59 × 4.86 mm
L/W Ratio1.89
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
14.37 mm7.59 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513922
Side View
Table 57.0%Crown 35.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.0%

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: €21,545 EUR|Avg: €6,928 EUR|-5.4%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 11€2,963 EUR
Retailer 12€3,058 EUR
Retailer 10€3,255 EUR
Retailer 4€3,335 EUR
Retailer 9€3,507 EUR
Retailer 14€3,576 EUR
Retailer 2€4,740 EUR
Retailer 17€4,740 EUR
Retailer 6€5,250 EUR
Retailer 3€5,517 EUR
Retailer 13€6,273 EUR
Retailer 8€6,928 EUR
Retailer 15€8,170 EUR
Retailer 5€9,173 EUR
Retailer 16€9,411 EUR
Retailer 7€14,733 EUR
Do Amore Diamonds€20,381 EUR

35 data points across 17 retailers

17 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
-
€3,255 EUR
$3,636 USD
View
A
Retailer 4
-
€3,335 EUR
$3,726 USD
View
A
Retailer 5
-
€3,507 EUR
$3,918 USD
View
Final sale: no returns
A
Retailer 6
-
€3,576 EUR
$3,995 USD
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
B+
Retailer 10
-
€5,517 EUR
$6,164 USD
View
B+
Retailer 11
-
€6,273 EUR
View
B+
Retailer 12
-
€6,928 EUR
$7,740 USD
View
B+
Retailer 13
-
€8,170 EUR
£7,187 GBP
View
Retailer 14
-
€9,173 EUR
A$15,767 AUD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€9,411 EUR
$10,514 USD
View
Retailer 16
-
€14,733 EUR
A$25,322 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-8228B12D5 · Oct 31
€20,381 EUR
$22,770 USD
View
16 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