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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG826624385

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826624385

Diamond specifications and retailer prices

From €2,934 EUR
$3,278 USD
As of November 2, 2026
Save €8,984 EUR (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €15,078 EUR at Novita Diamonds · As of September 29, 2026
View at Novita 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 LG826624385 or 826624385. Listed at 24 retailers as of October 31, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826624385
Dimensions14.23 × 7.57 × 4.89 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.23 mm7.57 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826624385
Side View
Table 59.0%Crown 37.3°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.6%

Caratlytics Score

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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: Nov 2
Current: €4,531 EUR|Low: €2,930 EUR|High: €11,918 EUR|Avg: €5,626 EUR|-6.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 4€2,934 EUR
Retailer 11€3,286 EUR
Retailer 5€3,313 EUR
Retailer 6€3,403 EUR
Retailer 3€3,545 EUR
Retailer 7€4,253 EUR
Retailer 2€4,293 EUR
Retailer 1€4,531 EUR
Retailer 16€4,885 EUR
Retailer 8€5,197 EUR
Retailer 15€5,320 EUR
Retailer 18€5,505 EUR
Retailer 10€6,928 EUR
Retailer 13€7,719 EUR
Retailer 14€7,901 EUR
Retailer 17€7,956 EUR
Retailer 12€8,626 EUR
Retailer 9€11,918 EUR

33 data points across 18 retailers

24 retailers€2,934 EUR to €11,918 EUR

A
Cheapest Retailer
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€2,934 EUR
$3,278 USD
A
Retailer 2
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€3,286 EUR
$3,671 USD
View
Final sale: no returns
A
Retailer 3
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€3,313 EUR
$3,701 USD
View
A
Retailer 4
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€3,403 EUR
$3,802 USD
View
A
Retailer 5
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€3,545 EUR
$3,960 USD
View
Retailer 6
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€3,556 EUR
$3,973 USD
View
Price last confirmed 34 days ago
Retailer 7
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€3,740 EUR
$4,178 USD
View
Price last confirmed 34 days ago
A
Retailer 8
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€4,253 EUR
$4,751 USD
View
A
Retailer 9
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€4,293 EUR
$4,796 USD
View
Retailer 10
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€4,372 EUR
£3,846 GBP
View
Price last confirmed 33 days ago
A
Retailer 11
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€4,531 EUR
£3,986 GBP
View
A
Retailer 12
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€4,729 EUR
£4,160 GBP
View
A
Retailer 13
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€4,885 EUR
$5,458 USD
View
A
Retailer 14
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€5,197 EUR
£4,572 GBP
View
A
Retailer 15
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€5,320 EUR
View
B+
Retailer 16
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€5,505 EUR
$6,150 USD
View
B+
Retailer 17
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€6,928 EUR
$7,740 USD
View
B+
Retailer 18
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€7,719 EUR
A$13,268 AUD
View
B+
Retailer 19
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€7,901 EUR
ZAR 142,595 ZAR
View
B+
Retailer 20
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€7,956 EUR
$8,888 USD
View
B+
Retailer 21
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€8,626 EUR
£7,588 GBP
View
Retailer 22
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€10,983 EUR
$12,270 USD
View
Price last confirmed 34 days ago
B
Retailer 23
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€11,918 EUR
$13,315 USD
View
Most Expensive
Novita Diamonds
cert_826624385 · Sep 29
€15,078 EUR
A$25,916 AUD
View
Price last confirmed 34 days ago
23 more retailers have this diamond
Prices start from €2,934 EURSave up to €8,984 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
€2,934 EUR