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Marquise|Lab Grown|GIA

4.18ct D FL Marquise Lab Grown Diamond

ID • D/FL • GIA 1539200854

Certificate GIA 1539200854

Diamond specifications and retailer prices

From €18,615 EUR
$20,797 USD
As of November 1, 2026
Save €17,315 EUR (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €35,930 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.18ct lab-grown marquise diamond

This 4.18ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1539200854. Listed at 6 retailers as of October 29, 2026, with prices from €18,615 to €35,930, a €17,315 spread on the same certified stone. MOH London lists it at €35,930. 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

4.18
Carat
D
Color
FL
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1539200854
Dimensions16.05 × 8.28 × 5.16 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Top View
16.05 mm8.28 mm4.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539200854
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €35,930 EUR|Low: €18,615 EUR|High: €88,005 EUR|Avg: €33,503 EUR|+0.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2€18,615 EUR
Retailer 4€18,615 EUR
Retailer 5€18,765 EUR
Retailer 6€23,183 EUR
MOH London€35,930 EUR
Retailer 3€83,396 EUR

18 data points across 6 retailers

6 retailers€18,615 EUR to €35,930 EUR

B+
Cheapest Retailer
-
€18,615 EUR
$20,797 USD
B+
Retailer 2
-
€18,615 EUR
$20,797 USD
View
B+
Retailer 3
-
€18,765 EUR
$20,964 USD
View
B+
Retailer 4
-
€23,183 EUR
$25,900 USD
View
Most Expensive
B
MOH London
1539200854 · Oct 29
€35,930 EUR
£31,607 GBP
View
4 more retailers have this diamond
Prices start from €18,615 EURSave up to €17,315 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.

B+
4.18ct Marquise
€18,615 EUR