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Marquise|Natural|GIA

0.42ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 6562590359

Certificate GIA 6562590359

Diamond specifications and retailer prices

From $380 AUD
₹25,347 INR
As of November 2, 2026
Save $831 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,211 AUD at MOH London · As of November 1, 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 6562590359. Listed at 12 retailers as of November 1, 2026, with prices from $380 to $1,211, a $831 spread on the same certified stone. MOH London lists it at $1,211. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6562590359
Dimensions7.42 × 3.91 × 2.48 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal
Top View
7.42 mm3.91 mm0.42 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6562590359
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.3%

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: $1,211 AUD|Low: $380 AUD|High: $1,234 AUD|Avg: $714 AUD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$380 AUD
Retailer 11$442 AUD
Retailer 12$484 AUD
Retailer 7$610 AUD
Retailer 10$657 AUD
Retailer 8$675 AUD
Retailer 6$676 AUD
Retailer 3$757 AUD
Retailer 9$813 AUD
Retailer 4$835 AUD
Retailer 5$1,061 AUD
MOH London$1,211 AUD

20 data points across 12 retailers

12 retailers$380 AUD to $1,211 AUD

A
Cheapest Retailer
-
$380 AUD
₹25,347 INR
A
Retailer 2
-
$442 AUD
$310 USD
View
A
Retailer 3
-
$484 AUD
$339 USD
View
Final sale: no returns
B+
Retailer 4
-
$610 AUD
$428 USD
View
B+
Retailer 5
-
$657 AUD
£363 GBP
View
B+
Retailer 6
-
$675 AUD
$473 USD
View
B+
Retailer 7
-
$676 AUD
£373 GBP
View
B+
Retailer 8
-
$757 AUD
$530 USD
View
B+
Retailer 9
-
$813 AUD
ZAR 9,203 ZAR
View
B+
Retailer 10
-
$835 AUD
$585 USD
View
B
Retailer 11
-
$1,061 AUD
£586 GBP
View
Most Expensive
B
MOH London
E997EB474 · Nov 1
$1,211 AUD
£668 GBP
View
11 more retailers have this diamond
Prices start from $380 AUDSave up to $831 AUD

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
$380 AUD