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Marquise|Lab Grown|IGI

3.74ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG818696569

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696569

Diamond specifications and retailer prices

From €3,749 EUR
$4,188 USD
As of November 2, 2026
Save €11,721 EUR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €15,470 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.74ct lab-grown marquise diamond

This 3.74ct 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 LG818696569 or 818696569. Listed at 21 retailers as of October 31, 2026, with prices from €3,749 to €15,470, a €11,721 spread on the same certified stone. Taylor and Hart lists it at €15,470. 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

3.74
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696569
Dimensions16.77 × 8.08 × 4.81 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.77 mm8.08 mm3.74 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696569
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.5%

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: Nov 2
Current: €5,174 EUR|Low: €3,598 EUR|High: €12,669 EUR|Avg: €6,376 EUR|-1.3%
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
November 2, 2026
Retailer 4€3,749 EUR
Retailer 9€3,929 EUR
Retailer 5€4,198 EUR
Retailer 6€4,348 EUR
Retailer 2€4,390 EUR
Retailer 8€4,571 EUR
Retailer 1€5,174 EUR
Retailer 7€5,434 EUR
Retailer 10€5,625 EUR
Retailer 16€5,658 EUR
Retailer 14€6,321 EUR
Retailer 15€7,794 EUR
Retailer 3€8,118 EUR
Retailer 11€9,003 EUR
Retailer 12€9,991 EUR
Retailer 13€10,096 EUR
Retailer 17€12,669 EUR

36 data points across 17 retailers

21 retailers€3,749 EUR to €15,470 EUR

A
Cheapest Retailer
-
€3,749 EUR
$4,188 USD
A
Retailer 2
-
€3,929 EUR
$4,389 USD
View
A
Retailer 3
-
€4,198 EUR
$4,690 USD
View
Final sale: no returns
Retailer 4
-
€4,348 EUR
$4,858 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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€4,348 EUR
$4,858 USD
View
A
Retailer 6
-
€4,390 EUR
$4,905 USD
View
A
Retailer 7
-
€4,571 EUR
$5,107 USD
View
A
Retailer 8
-
€5,174 EUR
£4,551 GBP
View
A
Retailer 9
-
€5,434 EUR
$6,071 USD
View
A
Retailer 10
-
€5,625 EUR
£4,949 GBP
View
A
Retailer 11
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€5,658 EUR
$6,321 USD
View
A
Retailer 12
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€6,111 EUR
£5,376 GBP
View
A
Retailer 13
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€6,321 EUR
$7,062 USD
View
Retailer 14
-
€7,794 EUR
View
Price last confirmed 7 days ago
B+
Retailer 15
-
€8,118 EUR
$9,070 USD
View
B+
Retailer 16
-
€9,003 EUR
£7,920 GBP
View
B+
Retailer 17
-
€9,991 EUR
A$17,172 AUD
View
B+
Retailer 18
-
€10,096 EUR
ZAR 182,211 ZAR
View
B
Retailer 19
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€12,669 EUR
$14,154 USD
View
B
Retailer 20
-
€14,895 EUR
SGD 22,487 SGD
View
Most Expensive
B
Taylor and Hart
8QMHVDB · Oct 31
€15,470 EUR
$17,283 USD
View
20 more retailers have this diamond
Prices start from €3,749 EURSave up to €11,721 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
3.74ct Marquise
€3,749 EUR