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Marquise|Natural|GIA

0.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2566301955

Certificate GIA 2566301955

Diamond specifications and retailer prices

From $686 CAD
₹46,764 INR
As of October 26, 2026
Save $1,361 CAD (66%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,047 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter 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 2566301955. Listed at 15 retailers as of October 26, 2026, with prices from $686 to $2,047, a $1,361 spread on the same certified stone. MOH London lists it at $2,047. 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

0.50
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.7°
Pavilion angle37.7°
OriginNatural
Grading LabGIA
CertificateGIA 2566301955
Dimensions7.83 × 4.20 × 2.56 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Top View
7.83 mm4.20 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2566301955
Side View
Table 63.0%Crown 39.7°Girdle: STK-VTKPavilion 37.7°Culet: NoneDepth 60.9%

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: Oct 26
Current: $2,047 CAD|Low: $684 CAD|High: $2,226 CAD|Avg: $1,109 CAD|-8.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 27, 2026
Retailer 10$686 CAD
Retailer 7$732 CAD
Retailer 14$769 CAD
Retailer 4$831 CAD
Retailer 5$838 CAD
Retailer 6$912 CAD
Retailer 3$955 CAD
Retailer 15$1,060 CAD
Retailer 13$1,064 CAD
Retailer 9$1,083 CAD
Retailer 2$1,176 CAD
Retailer 16$1,220 CAD
Retailer 11$1,254 CAD
Retailer 12$1,297 CAD
Retailer 8$1,433 CAD
MOH London$2,047 CAD

29 data points across 16 retailers

15 retailers$686 CAD to $2,047 CAD

A
Cheapest Retailer
-
$686 CAD
₹46,764 INR
A
Retailer 2
-
$769 CAD
HK$4,300 HKD
View
A
Retailer 3
-
$831 CAD
$595 USD
View
Retailer 4
-
$838 CAD
$600 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$912 CAD
$653 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$955 CAD
SGD 924 SGD
View
B+
Retailer 7
-
$1,060 CAD
$759 USD
View
B+
Retailer 8
-
$1,064 CAD
$762 USD
View
B+
Retailer 9
-
$1,083 CAD
£610 GBP
View
B
Retailer 10
-
$1,176 CAD
$842 USD
View
B
Retailer 11
-
$1,220 CAD
$873 USD
View
B
Retailer 12
-
$1,254 CAD
£707 GBP
View
B+
Retailer 13
-
$1,297 CAD
€884 EUR
View
Retailer 14
-
$1,433 CAD
A$1,578 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
7C2BEBBA2 · Oct 26
$2,047 CAD
£1,154 GBP
View
14 more retailers have this diamond
Prices start from $686 CADSave up to $1,361 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
0.50ct Marquise
$686 CAD