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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 $565 NZD
₹30,283 INR
As of November 2, 2026
Save $1,232 NZD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,797 NZD 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 $565 to $1,797, a $1,232 spread on the same certified stone. MOH London lists it at $1,797. 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: $1,797 NZD|Low: $565 NZD|High: $1,971 NZD|Avg: $1,062 NZD|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$565 NZD
Retailer 5$660 NZD
Retailer 6$835 NZD
Retailer 4$837 NZD
Retailer 3$1,253 NZD
MOH London$1,797 NZD

45 data points across 6 retailers

9 retailers$565 NZD to $1,797 NZD

A
Cheapest Retailer
-
$565 NZD
₹30,283 INR
A
Retailer 2
-
$660 NZD
HK$2,900 HKD
View
Retailer 3
-
$835 NZD
SGD 635 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$837 NZD
$471 USD
View
Retailer 5
-
$901 NZD
$507 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$908 NZD
$511 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
$1,253 NZD
£555 GBP
View
Most Expensive
B
MOH London
0F2F21128 · Nov 2
$1,797 NZD
£796 GBP
View
7 more retailers have this diamond
Prices start from $565 NZDSave up to $1,232 NZD

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
$565 NZD