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Marquise|Lab Grown|IGI

3.06ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG838625178

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838625178

Diamond specifications and retailer prices

From HK$3,170 HKD
$404 USD
As of October 31, 2026
Save HK$3,376 HKD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$6,546 HKD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 3.06ct lab-grown marquise diamond

This 3.06ct 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 LG838625178 or 838625178. Listed at 2 retailers as of October 31, 2026, with prices from HK$3,170 to HK$6,546, a HK$3,376 spread on the same certified stone. 77 Diamonds lists it at HK$6,546. 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

3.06
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838625178
Dimensions14.59 × 7.53 × 4.86 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.59 mm7.53 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838625178
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.5%

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 31
Current: HK$6,546 HKD|Low: HK$3,170 HKD|High: HK$6,880 HKD|Avg: HK$5,704 HKD|-4.2%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2HK$3,170 HKD
77 DiamondsHK$6,546 HKD

32 data points across 2 retailers

2 retailersHK$3,170 HKD to HK$6,546 HKD

A
Cheapest Retailer
-
HK$3,170 HKD
$404 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
MQTVSSGVYYWHZ · Oct 31
HK$6,546 HKD
£657 GBP
View
1 more retailer has this diamond
Prices start from HK$3,170 HKDSave up to HK$3,376 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
3.06ct Marquise
HK$3,170 HKD