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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 $266 USD
₹25,347 INR
As of November 2, 2026
Save $582 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $848 USD 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 $266 to $848, a $582 spread on the same certified stone. MOH London lists it at $848. 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
Color
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: $848 USD|Low: $266 USD|High: $865 USD|Avg: $501 USD|-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$266 USD
Retailer 11$310 USD
Retailer 12$339 USD
Retailer 7$428 USD
Retailer 10$460 USD
Retailer 8$473 USD
Retailer 6$474 USD
Retailer 3$530 USD
Retailer 9$570 USD
Retailer 4$585 USD
Retailer 5$744 USD
MOH London$848 USD

20 data points across 12 retailers

12 retailers$266 USD to $848 USD

A
Cheapest Retailer
-
$266 USD
₹25,347 INR
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$339 USD
View
Final sale: no returns
B+
Retailer 4
-
$428 USD
View
B+
Retailer 5
-
$460 USD
£363 GBP
View
B+
Retailer 6
-
$473 USD
View
B+
Retailer 7
-
$474 USD
£373 GBP
View
B+
Retailer 8
-
$530 USD
View
B+
Retailer 9
-
$570 USD
ZAR 9,203 ZAR
View
B+
Retailer 10
-
$585 USD
View
B
Retailer 11
-
$744 USD
£586 GBP
View
Most Expensive
B
MOH London
E997EB474 · Nov 1
$848 USD
£668 GBP
View
11 more retailers have this diamond
Prices start from $266 USDSave up to $582 USD

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
$266 USD