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Marquise|Lab Grown|IGI

3.29ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG846658268

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846658268

Diamond specifications and retailer prices

From HK$3,350 HKD
$427 USD
As of October 29, 2026
Save HK$35,643 HKD (91%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$38,993 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.29ct lab-grown marquise diamond

This 3.29ct 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 LG846658268 or 846658268. Listed at 3 retailers as of October 26, 2026, with prices from HK$3,350 to HK$38,993, a HK$35,643 spread on the same certified stone. Brilliant Earth lists it at HK$38,993. 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

3.29
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846658268
Dimensions16.06 × 7.69 × 4.86 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.06 mm7.69 mm3.29 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846658268
Side View
Table 56.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: HK$38,993 HKD|Low: HK$3,350 HKD|High: HK$38,993 HKD|Avg: HK$19,886 HKD
Brilliant Earth
Retailer 2
Retailer 3
October 26, 2026
Retailer 3HK$3,350 HKD
Retailer 2HK$6,180 HKD
Brilliant EarthHK$38,993 HKD

9 data points across 3 retailers

3 retailersHK$3,350 HKD to HK$38,993 HKD

A
Cheapest Retailer
-
HK$3,350 HKD
$427 USD
Final sale: no returns
A
Retailer 2
-
HK$6,180 HKD
£620 GBP
View
Most Expensive
B
Brilliant Earth
22179087A · Oct 26
HK$38,993 HKD
$4,970 USD
View
2 more retailers have this diamond
Prices start from HK$3,350 HKDSave up to HK$35,643 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
3.29ct Marquise
HK$3,350 HKD