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Marquise|Lab Grown|IGI

3.99ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG840612569

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840612569

Diamond specifications and retailer prices

From €520 EUR
$583 USD
As of November 1, 2026
Save €3,587 EUR (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,107 EUR at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 3.99ct lab-grown marquise diamond

This 3.99ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840612569 or 840612569. Listed at 5 retailers as of November 1, 2026, with prices from €520 to €4,107, a €3,587 spread on the same certified stone. Frank Darling lists it at €4,107. 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

3.99
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612569
Dimensions17.14 × 8.18 × 5.10 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.14 mm8.18 mm3.99 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612569
Side View
Table 64.0%Crown 36°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.3%

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: €4,107 EUR|Low: €520 EUR|High: €4,107 EUR|Avg: €1,838 EUR|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3€520 EUR
Retailer 4€726 EUR
Retailer 6€909 EUR
Retailer 2€1,888 EUR
Retailer 5€2,679 EUR
Frank Darling€4,107 EUR

8 data points across 6 retailers

5 retailers€520 EUR to €4,107 EUR

A
Cheapest Retailer
-
€520 EUR
$583 USD
Final sale: no returns
B+
Retailer 2
-
€726 EUR
$814 USD
View
B+
Retailer 3
-
€1,888 EUR
$2,118 USD
View
Retailer 4
-
€2,679 EUR
$3,005 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Frank Darling
100757889406KD · Nov 1
€4,107 EUR
$4,606 USD
View
4 more retailers have this diamond
Prices start from €520 EURSave up to €3,587 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
3.99ct Marquise
€520 EUR