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Marquise|Lab Grown|IGI

4.00ct G SI1 Marquise Lab Grown Diamond

VG • G/SI1 • IGI LG571308075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG571308075

Diamond specifications and retailer prices

From €1,045 EUR
$1,167 USD
As of October 31, 2026
Save €3,016 EUR (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,060 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG571308075 or 571308075. Listed at 6 retailers as of October 31, 2026, with prices from €1,045 to €4,060, a €3,016 spread on the same certified stone. Michael Trio lists it at €4,060. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.00
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571308075
Dimensions15.61 × 8.62 × 4.93 mm
L/W Ratio1.81
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.61 mm8.62 mm4.00 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571308075
Side View
Table 58.0%Crown 32.5°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 57.2%

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: Oct 31
Current: €4,060 EUR|Low: €1,045 EUR|High: €4,060 EUR|Avg: €1,965 EUR
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4€1,045 EUR
Retailer 6€1,349 EUR
Retailer 5€1,398 EUR
Retailer 3€1,758 EUR
Retailer 2€2,649 EUR
Michael Trio€4,060 EUR

9 data points across 6 retailers

6 retailers€1,045 EUR to €4,060 EUR

B+
Cheapest Retailer
-
€1,045 EUR
$1,167 USD
B+
Retailer 2
-
€1,349 EUR
$1,507 USD
View
B
Retailer 3
-
€1,398 EUR
HK$12,200 HKD
View
B
Retailer 4
-
€1,758 EUR
View
B
Retailer 5
-
€2,649 EUR
$2,960 USD
View
Most Expensive
C
Michael Trio
1469987870 · Oct 31
€4,060 EUR
SGD 6,130 SGD
View
5 more retailers have this diamond
Prices start from €1,045 EURSave up to €3,016 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+
4.00ct Marquise
€1,045 EUR