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 $451 USD
As of October 26, 2026
Save $1,869 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,320 USD 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 $451 to $2,320, a $1,869 spread on the same certified stone. Brilliant Earth lists it at $2,320. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,320 USD|Low: $433 USD|High: $4,420 USD|Avg: $1,305 USD|-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 30, 2026
Retailer 16$451 USD
Retailer 3$505 USD
Retailer 5$559 USD
Retailer 9$602 USD
Retailer 11$696 USD
Retailer 2$841 USD
Retailer 15$877 USD
Retailer 4$896 USD
Retailer 12$916 USD
Retailer 8$1,418 USD
Retailer 14$1,502 USD
Retailer 10$1,750 USD
Retailer 6$1,796 USD
Retailer 7$1,906 USD
Retailer 13$2,055 USD
Brilliant Earth$2,320 USD

26 data points across 16 retailers

16 retailers$451 USD to $2,320 USD

A
Cheapest Retailer
-
$451 USD
A
Retailer 2
-
$505 USD
View
A
Retailer 3
-
$559 USD
View
A
Retailer 4
-
$602 USD
HK$4,700 HKD
View
A
Retailer 5
-
$696 USD
£548 GBP
View
A
Retailer 6
-
$841 USD
€801 EUR
View
B+
Retailer 7
-
$877 USD
View
A
Retailer 8
-
$896 USD
View
A
Retailer 9
-
$916 USD
£722 GBP
View
B+
Retailer 10
-
$1,418 USD
View
B+
Retailer 11
-
$1,502 USD
View
B
Retailer 12
-
$1,750 USD
SGD 2,365 SGD
View
B
Retailer 13
-
$1,796 USD
View
Retailer 14
-
$1,906 USD
View
Price last confirmed 75 days ago
B
Retailer 15
-
$2,055 USD
£1,618 GBP
View
Most Expensive
B
Brilliant Earth
20782384A · Oct 30
$2,320 USD
View
15 more retailers have this diamond
Prices start from $451 USDSave up to $1,869 USD

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
$451 USD