Round|Lab Grown|IGI

4.00ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG819602247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819602247

Diamond specifications and retailer prices

From €404 EUR
$451 USD
As of October 26, 2026
Save €1,673 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,077 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4ct lab-grown round diamond

This 4ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG819602247 or 819602247. Listed at 16 retailers as of October 26, 2026, with prices from €404 to €2,077, a €1,673 spread on the same certified stone. Brilliant Earth lists it at €2,077. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.00
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602247
Dimensions10.29 × 10.22 × 6.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 mm10.22 mm4.00 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819602247
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €2,077 EUR|Low: €388 EUR|High: €3,956 EUR|Avg: €1,163 EUR|-47.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 16€404 EUR
Retailer 3€452 EUR
Retailer 5€500 EUR
Retailer 2€550 EUR
Retailer 12€623 EUR
Retailer 9€760 EUR
Retailer 15€785 EUR
Retailer 4€802 EUR
Retailer 13€820 EUR
Retailer 11€1,188 EUR
Retailer 8€1,269 EUR
Retailer 10€1,588 EUR
Retailer 6€1,608 EUR
Retailer 7€1,706 EUR
Retailer 14€1,839 EUR
Brilliant Earth€2,077 EUR

27 data points across 16 retailers

16 retailers€404 EUR to €2,077 EUR

A
Cheapest Retailer
-
€404 EUR
$451 USD
Retailer 2
-
€452 EUR
$505 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€500 EUR
$559 USD
View
A
Retailer 4
-
€550 EUR
HK$4,800 HKD
View
A
Retailer 5
-
€623 EUR
£548 GBP
View
A
Retailer 6
-
€760 EUR
View
B+
Retailer 7
-
€785 EUR
$877 USD
View
A
Retailer 8
-
€802 EUR
$896 USD
View
A
Retailer 9
-
€820 EUR
£722 GBP
View
B+
Retailer 10
-
€1,188 EUR
$1,327 USD
View
B+
Retailer 11
-
€1,269 EUR
$1,418 USD
View
B
Retailer 12
-
€1,588 EUR
SGD 2,397 SGD
View
B
Retailer 13
-
€1,608 EUR
$1,796 USD
View
Retailer 14
-
€1,706 EUR
$1,906 USD
View
Price last confirmed 76 days ago
B
Retailer 15
-
€1,839 EUR
£1,618 GBP
View
Most Expensive
B
Brilliant Earth
20782384A · Oct 30
€2,077 EUR
$2,320 USD
View
15 more retailers have this diamond
Prices start from €404 EURSave up to €1,673 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
4.00ct Round
€404 EUR