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Marquise|Lab Grown|IGI

0.55ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG826605597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826605597

Diamond specifications and retailer prices

From HK$706 HKD
$90 USD
As of October 30, 2026
Save HK$5,771 HKD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$6,477 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826605597 or 826605597. Listed at 14 retailers as of October 29, 2026, with prices from HK$706 to HK$6,477, a HK$5,771 spread on the same certified stone. MOH London lists it at HK$6,477. 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

0.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826605597
Dimensions9.60 × 3.87 × 2.60 mm
L/W Ratio2.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm3.87 mm0.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826605597
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 67.2%

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$6,477 HKD|Low: HK$557 HKD|High: HK$6,516 HKD|Avg: HK$1,955 HKD|+0.5%
MOH London
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
October 31, 2026
Retailer 11HK$706 HKD
Retailer 6HK$792 HKD
Retailer 14HK$824 HKD
Retailer 3HK$934 HKD
Retailer 12HK$934 HKD
Retailer 5HK$1,193 HKD
Retailer 9HK$1,295 HKD
Retailer 2HK$1,615 HKD
Retailer 8HK$1,648 HKD
Retailer 7HK$2,117 HKD
Retailer 4HK$2,715 HKD
Retailer 13HK$2,817 HKD
Retailer 10HK$3,138 HKD
MOH LondonHK$6,477 HKD

46 data points across 14 retailers

14 retailersHK$706 HKD to HK$6,477 HKD

A
Cheapest Retailer
-
HK$706 HKD
$90 USD
A
Retailer 2
-
HK$792 HKD
$101 USD
View
Final sale: no returns
A
Retailer 3
-
HK$824 HKD
$105 USD
View
A
Retailer 4
-
HK$934 HKD
$119 USD
View
A
Retailer 5
-
HK$934 HKD
$119 USD
View
B+
Retailer 6
-
HK$1,193 HKD
$152 USD
View
A
Retailer 7
-
HK$1,295 HKD
$165 USD
View
A
Retailer 8
-
HK$1,615 HKD
£162 GBP
View
A
Retailer 9
-
HK$1,648 HKD
€200 EUR
View
B+
Retailer 10
-
HK$2,117 HKD
£212 GBP
View
B
Retailer 11
-
HK$2,715 HKD
$346 USD
View
B+
Retailer 12
-
HK$2,817 HKD
$359 USD
View
B
Retailer 13
-
HK$3,138 HKD
$400 USD
View
Most Expensive
B
MOH London
LG826605597 · Oct 29
HK$6,477 HKD
£650 GBP
View
13 more retailers have this diamond
Prices start from HK$706 HKDSave up to HK$5,771 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
0.55ct Marquise
HK$706 HKD