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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 HK$3,538 HKD
$451 USD
As of October 26, 2026
Save HK$14,664 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$18,202 HKD 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 HK$3,538 to HK$18,202, a HK$14,664 spread on the same certified stone. Brilliant Earth lists it at HK$18,202. 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

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: Oct 26
Current: HK$18,202 HKD|Low: HK$3,397 HKD|High: HK$34,678 HKD|Avg: HK$10,195 HKD|-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 16HK$3,538 HKD
Retailer 3HK$3,962 HKD
Retailer 5HK$4,386 HKD
Retailer 11HK$4,720 HKD
Retailer 12HK$5,458 HKD
Retailer 10HK$6,599 HKD
Retailer 15HK$6,881 HKD
Retailer 4HK$7,030 HKD
Retailer 13HK$7,189 HKD
Retailer 9HK$10,411 HKD
Retailer 8HK$11,125 HKD
Retailer 2HK$13,917 HKD
Retailer 6HK$14,091 HKD
Retailer 7HK$14,956 HKD
Retailer 14HK$16,122 HKD
Brilliant EarthHK$18,202 HKD

27 data points across 16 retailers

16 retailersHK$3,538 HKD to HK$18,202 HKD

A
Cheapest Retailer
-
HK$3,538 HKD
$451 USD
A
Retailer 2
-
HK$3,962 HKD
$505 USD
View
A
Retailer 3
-
HK$4,386 HKD
$559 USD
View
A
Retailer 4
-
HK$4,720 HKD
View
A
Retailer 5
-
HK$5,458 HKD
£548 GBP
View
A
Retailer 6
-
HK$6,599 HKD
€801 EUR
View
B+
Retailer 7
-
HK$6,881 HKD
$877 USD
View
A
Retailer 8
-
HK$7,030 HKD
$896 USD
View
A
Retailer 9
-
HK$7,189 HKD
£722 GBP
View
B+
Retailer 10
-
HK$10,411 HKD
$1,327 USD
View
B+
Retailer 11
-
HK$11,125 HKD
$1,418 USD
View
B
Retailer 12
-
HK$13,917 HKD
SGD 2,397 SGD
View
B
Retailer 13
-
HK$14,091 HKD
$1,796 USD
View
Retailer 14
-
HK$14,956 HKD
$1,906 USD
View
Price last confirmed 75 days ago
B
Retailer 15
-
HK$16,122 HKD
£1,618 GBP
View
Most Expensive
B
Brilliant Earth
20782384A · Oct 30
HK$18,202 HKD
$2,320 USD
View
15 more retailers have this diamond
Prices start from HK$3,538 HKDSave up to HK$14,664 HKD

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
HK$3,538 HKD