Marquise|Natural|GIA

0.42ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 6562590359

Certificate GIA 6562590359

Diamond specifications and retailer prices

From $372 CAD
₹25,347 INR
As of November 2, 2026
Save $814 CAD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,185 CAD 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 $372 to $1,185, a $814 spread on the same certified stone. MOH London lists it at $1,185. 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: $1,185 CAD|Low: $372 CAD|High: $1,209 CAD|Avg: $700 CAD|-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$372 CAD
Retailer 11$433 CAD
Retailer 12$474 CAD
Retailer 7$598 CAD
Retailer 10$643 CAD
Retailer 8$661 CAD
Retailer 6$662 CAD
Retailer 3$741 CAD
Retailer 9$796 CAD
Retailer 4$817 CAD
Retailer 5$1,039 CAD
MOH London$1,185 CAD

20 data points across 12 retailers

12 retailers$372 CAD to $1,185 CAD

A
Cheapest Retailer
-
$372 CAD
₹25,347 INR
A
Retailer 2
-
$433 CAD
$310 USD
View
A
Retailer 3
-
$474 CAD
$339 USD
View
Final sale: no returns
B+
Retailer 4
-
$598 CAD
$428 USD
View
B+
Retailer 5
-
$643 CAD
£363 GBP
View
B+
Retailer 6
-
$661 CAD
$473 USD
View
B+
Retailer 7
-
$662 CAD
£373 GBP
View
B+
Retailer 8
-
$741 CAD
$530 USD
View
B+
Retailer 9
-
$796 CAD
ZAR 9,203 ZAR
View
B+
Retailer 10
-
$817 CAD
$585 USD
View
B
Retailer 11
-
$1,039 CAD
£586 GBP
View
Most Expensive
B
MOH London
E997EB474 · Nov 1
$1,185 CAD
£668 GBP
View
11 more retailers have this diamond
Prices start from $372 CADSave up to $814 CAD

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
$372 CAD