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 $800 NZD
$451 USD
As of October 26, 2026
Save $3,316 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,116 NZD 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 $800 to $4,116, a $3,316 spread on the same certified stone. Brilliant Earth lists it at $4,116. 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
Colour
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: $4,116 NZD|Low: $768 NZD|High: $7,842 NZD|Avg: $2,306 NZD|-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$800 NZD
Retailer 3$896 NZD
Retailer 5$992 NZD
Retailer 11$1,067 NZD
Retailer 12$1,234 NZD
Retailer 2$1,507 NZD
Retailer 15$1,556 NZD
Retailer 4$1,590 NZD
Retailer 13$1,626 NZD
Retailer 10$2,354 NZD
Retailer 8$2,516 NZD
Retailer 9$3,147 NZD
Retailer 6$3,187 NZD
Retailer 7$3,382 NZD
Retailer 14$3,646 NZD
Brilliant Earth$4,116 NZD

27 data points across 16 retailers

16 retailers$800 NZD to $4,116 NZD

A
Cheapest Retailer
-
$800 NZD
$451 USD
Retailer 2
-
$896 NZD
$505 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$992 NZD
$559 USD
View
A
Retailer 4
-
$1,067 NZD
HK$4,700 HKD
View
A
Retailer 5
-
$1,234 NZD
£548 GBP
View
A
Retailer 6
-
$1,507 NZD
€809 EUR
View
B+
Retailer 7
-
$1,556 NZD
$877 USD
View
A
Retailer 8
-
$1,590 NZD
$896 USD
View
A
Retailer 9
-
$1,626 NZD
£722 GBP
View
B+
Retailer 10
-
$2,354 NZD
$1,327 USD
View
B+
Retailer 11
-
$2,516 NZD
$1,418 USD
View
B
Retailer 12
-
$3,147 NZD
SGD 2,397 SGD
View
B
Retailer 13
-
$3,187 NZD
$1,796 USD
View
Retailer 14
-
$3,382 NZD
$1,906 USD
View
Price last confirmed 75 days ago
B
Retailer 15
-
$3,646 NZD
£1,618 GBP
View
Most Expensive
B
Brilliant Earth
20782384A · Oct 30
$4,116 NZD
$2,320 USD
View
15 more retailers have this diamond
Prices start from $800 NZDSave up to $3,316 NZD

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
$800 NZD