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Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1553995737

Certificate GIA 1553995737

Diamond specifications and retailer prices

From $644 CAD
HK$3,600 HKD
As of November 1, 2026
Save $1,765 CAD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,408 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553995737. Listed at 14 retailers as of October 30, 2026, with prices from $644 to $2,408, a $1,765 spread on the same certified stone. NZ Jewellers lists it at $2,408. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1553995737
Dimensions7.77 × 4.33 × 2.61 mm
L/W Ratio1.79
Key to symbols
Twinning Wisp, Feather
Top View
7.77 mm4.33 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 1553995737
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 60.2%

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 1
Current: $2,408 CAD|Low: $626 CAD|High: $2,408 CAD|Avg: $1,039 CAD|+3.7%
NZ Jewellers
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
November 2, 2026
Retailer 3$644 CAD
Retailer 14$707 CAD
Retailer 11$768 CAD
Retailer 5$802 CAD
Retailer 12$827 CAD
Retailer 13$827 CAD
Retailer 6$886 CAD
Retailer 10$886 CAD
Retailer 2$917 CAD
Retailer 4$961 CAD
Retailer 7$970 CAD
Retailer 9$1,141 CAD
Retailer 8$1,774 CAD
NZ Jewellers$2,408 CAD

31 data points across 14 retailers

14 retailers$644 CAD to $2,408 CAD

A
Cheapest Retailer
-
$644 CAD
HK$3,600 HKD
B+
Retailer 2
-
$707 CAD
$506 USD
View
Final sale: no returns
A
Retailer 3
-
$768 CAD
$550 USD
View
B+
Retailer 4
-
$802 CAD
SGD 776 SGD
View
B+
Retailer 5
-
$827 CAD
$592 USD
View
A
Retailer 6
-
$827 CAD
$592 USD
View
B+
Retailer 7
-
$886 CAD
$634 USD
View
Retailer 8
-
$886 CAD
$634 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$917 CAD
£517 GBP
View
B+
Retailer 10
-
$961 CAD
$688 USD
View
B+
Retailer 11
-
$970 CAD
£547 GBP
View
B
Retailer 12
-
$1,141 CAD
€778 EUR
View
B
Retailer 13
-
$1,774 CAD
£1,000 GBP
View
Most Expensive
B
NZ Jewellers
f71baf55-1e42-41d2-9725-8ffb66d927e9 · Oct 30
$2,408 CAD
$1,724 USD
View
13 more retailers have this diamond
Prices start from $644 CADSave up to $1,765 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
$644 CAD