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Marquise|Natural|GIA

0.42ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6541662542

Certificate GIA 6541662542

Diamond specifications and retailer prices

From HK$2,495 HKD
₹30,283 INR
As of November 2, 2026
Save HK$5,437 HKD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$7,932 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 0.42ct natural marquise diamond

This 0.42ct natural marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541662542. Listed at 9 retailers as of November 2, 2026, with prices from HK$2,495 to HK$7,932, a HK$5,437 spread on the same certified stone. MOH London lists it at HK$7,932. 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

0.42
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541662542
Dimensions8.42 × 3.87 × 2.23 mm
L/W Ratio2.18
Top View
8.42 mm3.87 mm0.42 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541662542
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.7%

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$7,932 HKD|Low: HK$2,495 HKD|High: HK$8,699 HKD|Avg: HK$4,690 HKD|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2HK$2,495 HKD
Retailer 5HK$2,912 HKD
Retailer 6HK$3,687 HKD
Retailer 4HK$3,696 HKD
Retailer 3HK$5,532 HKD
MOH LondonHK$7,932 HKD

45 data points across 6 retailers

9 retailersHK$2,495 HKD to HK$7,932 HKD

A
Cheapest Retailer
-
HK$2,495 HKD
₹30,283 INR
A
Retailer 2
-
HK$2,912 HKD
View
Retailer 3
-
HK$3,687 HKD
SGD 635 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$3,696 HKD
$471 USD
View
Retailer 5
-
HK$3,978 HKD
$507 USD
View
Price last confirmed 32 days ago
Retailer 6
-
HK$4,009 HKD
$511 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
HK$5,532 HKD
£555 GBP
View
Most Expensive
B
MOH London
0F2F21128 · Nov 2
HK$7,932 HKD
£796 GBP
View
7 more retailers have this diamond
Prices start from HK$2,495 HKDSave up to HK$5,437 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
0.42ct Marquise
HK$2,495 HKD