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Marquise|Lab Grown|IGI

3.90ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG800657686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800657686

Diamond specifications and retailer prices

From €1,058 EUR
$1,182 USD
As of November 1, 2026
Save €3,027 EUR (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,085 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.9ct lab-grown marquise diamond

This 3.9ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG800657686 or 800657686. Listed at 9 retailers as of October 31, 2026, with prices from €1,058 to €4,085, a €3,027 spread on the same certified stone. Frank Darling lists it at €4,085. 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

3.90
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800657686
Dimensions15.66 × 8.33 × 5.21 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm8.33 mm3.90 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800657686
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,085 EUR|Low: €1,058 EUR|High: €4,327 EUR|Avg: €2,330 EUR|-5.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7€1,058 EUR
Retailer 3€1,318 EUR
Retailer 8€1,320 EUR
Retailer 6€1,358 EUR
Retailer 4€1,571 EUR
Retailer 9€2,519 EUR
Retailer 2€3,085 EUR
Retailer 5€3,517 EUR
Frank Darling€4,085 EUR

27 data points across 9 retailers

9 retailers€1,058 EUR to €4,085 EUR

A
Cheapest Retailer
-
€1,058 EUR
$1,182 USD
A
Retailer 2
-
€1,318 EUR
$1,472 USD
View
Retailer 3
-
€1,320 EUR
$1,474 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
€1,358 EUR
$1,517 USD
View
A
Retailer 5
-
€1,571 EUR
View
Retailer 6
-
€2,519 EUR
$2,814 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
€3,085 EUR
A$5,302 AUD
View
B
Retailer 8
-
€3,517 EUR
£3,094 GBP
View
Most Expensive
B
Frank Darling
100756109481BD · Oct 31
€4,085 EUR
$4,564 USD
View
8 more retailers have this diamond
Prices start from €1,058 EURSave up to €3,027 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
3.90ct Marquise
€1,058 EUR