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Marquise|Lab Grown|IGI

4.05ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG805675448

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805675448

Diamond specifications and retailer prices

From €625 EUR
£550 GBP
As of November 2, 2026
Save €4,101 EUR (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,726 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805675448 or 805675448. Listed at 11 retailers as of October 31, 2026, with prices from €625 to €4,726, a €4,101 spread on the same certified stone. Brilliant Earth lists it at €4,726. 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

4.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805675448
Dimensions16.63 × 8.24 × 5.22 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm8.24 mm4.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805675448
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

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 2
Current: €4,726 EUR|Low: €625 EUR|High: €4,726 EUR|Avg: €1,599 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2€625 EUR
Retailer 7€689 EUR
Retailer 3€881 EUR
Retailer 8€942 EUR
Retailer 9€1,116 EUR
Retailer 6€1,129 EUR
Retailer 4€1,136 EUR
Retailer 10€1,463 EUR
Retailer 11€1,845 EUR
Retailer 5€2,380 EUR
Brilliant Earth€4,726 EUR

13 data points across 11 retailers

11 retailers€625 EUR to €4,726 EUR

A
Cheapest Retailer
-
€625 EUR
£550 GBP
A
Retailer 2
-
€689 EUR
$770 USD
View
B+
Retailer 3
-
€881 EUR
$984 USD
View
A
Retailer 4
-
€942 EUR
View
A
Retailer 5
-
€1,116 EUR
$1,247 USD
View
A
Retailer 6
-
€1,129 EUR
ZAR 20,368 ZAR
View
A
Retailer 7
-
€1,136 EUR
A$1,953 AUD
View
A
Retailer 8
-
€1,463 EUR
$1,635 USD
View
B+
Retailer 9
-
€1,845 EUR
$2,062 USD
View
B+
Retailer 10
-
€2,380 EUR
£2,094 GBP
View
Most Expensive
B
Brilliant Earth
22163598A · Oct 31
€4,726 EUR
$5,280 USD
View
10 more retailers have this diamond
Prices start from €625 EURSave up to €4,101 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
4.05ct Marquise
€625 EUR