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Marquise|Lab Grown|IGI

0.50ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG532274603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG532274603

Diamond specifications and retailer prices

From HK$965 HKD
$123 USD
As of November 2, 2026
Save HK$6,459 HKD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,954 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532274603 or 532274603. Listed at 16 retailers as of November 1, 2026, with a 669% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532274603
Dimensions8.23 × 4.19 × 2.27 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.23 mm4.19 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532274603
Side View
Table 62.0%Crown 37.1°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 54.2%

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: Nov 2
Current: HK$9,954 HKD|Low: HK$926 HKD|High: HK$10,074 HKD|Avg: HK$2,841 HKD
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
November 2, 2026
Retailer 9HK$965 HKD
Retailer 5HK$1,075 HKD
Retailer 13HK$1,114 HKD
Retailer 3HK$1,271 HKD
Retailer 10HK$1,271 HKD
Retailer 6HK$2,197 HKD
Retailer 12HK$2,299 HKD
Retailer 2HK$2,447 HKD
Retailer 7HK$2,877 HKD
Retailer 4HK$2,974 HKD
Retailer 11HK$3,829 HKD
Retailer 8HK$4,268 HKD
MOH LondonHK$9,954 HKD

43 data points across 13 retailers

16 retailersHK$965 HKD to HK$7,424 HKD

A
Cheapest Retailer
-
HK$965 HKD
$123 USD
A
Retailer 2
-
HK$1,075 HKD
$137 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,114 HKD
$142 USD
View
A
Retailer 4
-
HK$1,271 HKD
$162 USD
View
Retailer 5
-
HK$1,271 HKD
$162 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$2,197 HKD
$280 USD
View
B+
Retailer 7
-
HK$2,299 HKD
$293 USD
View
B
Retailer 8
-
HK$2,410 HKD
View
B
Retailer 9
-
HK$2,447 HKD
£246 GBP
View
B
Retailer 10
-
HK$2,877 HKD
£289 GBP
View
B
Retailer 11
-
HK$2,974 HKD
$379 USD
View
B
Retailer 12
-
HK$3,829 HKD
$488 USD
View
B
Retailer 13
-
HK$4,268 HKD
$544 USD
View
B
Retailer 14
-
HK$4,277 HKD
$545 USD
View
B
Retailer 15
-
HK$7,424 HKD
$946 USD
View
Most Expensive
MOH London
LG532274603 · Nov 1
HK$9,954 HKD
£999 GBP
View
Price under review
15 more retailers have this diamond
Prices start from HK$965 HKDSave up to HK$6,459 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
0.50ct Marquise
HK$965 HKD