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Marquise|Lab Grown|IGI

0.30ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG538298040

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538298040

Diamond specifications and retailer prices

From HK$667 HKD
$85 USD
As of November 2, 2026
Save HK$1,985 HKD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,058 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538298040 or 538298040. Listed at 12 retailers as of October 31, 2026, with a 298% 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

0.30
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298040
Dimensions7.19 × 3.34 × 2.12 mm
L/W Ratio2.15
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
7.19 mm3.34 mm0.30 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538298040
Side View
Table 60.0%Crown 34.8°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 63.5%

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: Nov 2
Current: HK$6,058 HKD|Low: HK$636 HKD|High: HK$6,128 HKD|Avg: HK$2,017 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$667 HKD
Retailer 10HK$769 HKD
Retailer 7HK$879 HKD
Retailer 11HK$879 HKD
Retailer 4HK$1,334 HKD
Retailer 2HK$1,488 HKD
Retailer 9HK$1,773 HKD
Retailer 5HK$2,115 HKD
Retailer 3HK$2,589 HKD
Retailer 8HK$2,652 HKD
MOH LondonHK$6,058 HKD

43 data points across 11 retailers

12 retailersHK$667 HKD to HK$2,652 HKD

A
Cheapest Retailer
-
HK$667 HKD
$85 USD
A
Retailer 2
-
HK$769 HKD
$98 USD
View
Retailer 3
-
HK$879 HKD
$112 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$879 HKD
$112 USD
View
B+
Retailer 5
-
HK$1,334 HKD
$170 USD
View
B+
Retailer 6
-
HK$1,488 HKD
£149 GBP
View
B+
Retailer 7
-
HK$1,773 HKD
$226 USD
View
B
Retailer 8
-
HK$2,115 HKD
£212 GBP
View
B
Retailer 9
-
HK$2,511 HKD
View
B
Retailer 10
-
HK$2,589 HKD
$330 USD
View
B
Retailer 11
-
HK$2,652 HKD
$338 USD
View
Most Expensive
MOH London
LG538298040 · Nov 1
HK$6,058 HKD
£608 GBP
View
Price under review
11 more retailers have this diamond
Prices start from HK$667 HKDSave up to HK$1,985 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
0.30ct Marquise
HK$667 HKD