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Marquise|Lab Grown|IGI

4.30ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG833606493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833606493

Diamond specifications and retailer prices

From HK$4,268 HKD
$544 USD
As of October 30, 2026
Save HK$31,351 HKD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$35,619 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.3ct lab-grown marquise diamond

This 4.3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833606493 or 833606493. Listed at 10 retailers as of October 30, 2026, with prices from HK$4,268 to HK$35,619, a HK$31,351 spread on the same certified stone. Brilliant Earth lists it at HK$35,619. 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

4.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833606493
Dimensions16.61 × 8.50 × 5.37 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.61 mm8.50 mm4.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833606493
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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 30
Current: HK$35,619 HKD|Low: HK$4,229 HKD|High: HK$52,488 HKD|Avg: HK$17,387 HKD|-32.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8HK$4,268 HKD
Retailer 2HK$4,432 HKD
Retailer 7HK$4,778 HKD
Retailer 4HK$8,007 HKD
Retailer 6HK$13,659 HKD
Retailer 5HK$13,691 HKD
Retailer 10HK$13,918 HKD
Retailer 9HK$21,307 HKD
Retailer 3HK$22,120 HKD
Brilliant EarthHK$35,619 HKD

28 data points across 10 retailers

10 retailersHK$4,268 HKD to HK$35,619 HKD

A
Cheapest Retailer
-
HK$4,268 HKD
$544 USD
A
Retailer 2
-
HK$4,432 HKD
£445 GBP
View
A
Retailer 3
-
HK$4,778 HKD
$609 USD
View
A
Retailer 4
-
HK$8,007 HKD
€972 EUR
View
B+
Retailer 5
-
HK$13,659 HKD
$1,741 USD
View
B+
Retailer 6
-
HK$13,691 HKD
$1,745 USD
View
B+
Retailer 7
-
HK$13,918 HKD
$1,774 USD
View
Retailer 8
-
HK$21,307 HKD
SGD 3,670 SGD
View
Price last confirmed 18 days ago
B
Retailer 9
-
HK$22,120 HKD
£2,220 GBP
View
Most Expensive
B
Brilliant Earth
21148210A · Oct 30
HK$35,619 HKD
$4,540 USD
View
9 more retailers have this diamond
Prices start from HK$4,268 HKDSave up to HK$31,351 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
4.30ct Marquise
HK$4,268 HKD