CaratHunter
Plans
Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5566277388

Certificate GIA 5566277388

Diamond specifications and retailer prices

From $663 CAD
As of November 6, 2026
Save $1,823 CAD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,485 CAD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566277388. Listed at 18 retailers as of November 5, 2026, with prices from $663 to $2,485, a $1,823 spread on the same certified stone. NZ Jewellers lists it at $2,485. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
Crown angle42.3°
Pavilion angle34°
OriginNatural
Grading LabGIA
CertificateGIA 5566277388
Dimensions7.51 × 4.21 × 2.47 mm
L/W Ratio1.78
Girdle conditionFaceted
Culet sizeNone
Top View
7.51 mm4.21 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 5566277388
Side View
Table 60.0%Crown 42.3°Girdle: THK-VTKPavilion 34°Culet: NoneDepth 58.8%

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 6
Current: $2,485 CAD|Low: $567 CAD|High: $2,485 CAD|Avg: $966 CAD|+7.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 4$571 CAD
Retailer 11$647 CAD
Retailer 18$663 CAD
Retailer 9$682 CAD
Retailer 19$719 CAD
Retailer 2$774 CAD
Retailer 3$781 CAD
Retailer 17$781 CAD
Retailer 7$795 CAD
Retailer 10$800 CAD
Retailer 16$828 CAD
Retailer 8$919 CAD
Retailer 5$951 CAD
Retailer 13$961 CAD
Retailer 14$968 CAD
Retailer 15$1,063 CAD
Retailer 6$1,135 CAD
Retailer 12$1,820 CAD
NZ Jewellers$2,485 CAD

25 data points across 19 retailers

18 retailers$663 CAD to $2,485 CAD

Retailer 1
-
$571 CAD
Price last confirmed 12 days ago
Retailer 2
-
$647 CAD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$663 CAD
View
Final sale: no returns
Retailer 4
-
$682 CAD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$719 CAD
View
A
Retailer 6
-
$774 CAD
View
A
Retailer 7
-
$781 CAD
View
A
Retailer 8
-
$781 CAD
View
Retailer 9
-
$795 CAD
View
Price last confirmed 13 days ago
Retailer 10
-
$800 CAD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$828 CAD
View
B+
Retailer 12
-
$961 CAD
View
B+
Retailer 13
-
$968 CAD
View
B+
Retailer 14
-
$1,063 CAD
View
Retailer 15
-
$1,135 CAD
View
Price last confirmed 12 days ago
Retailer 16
-
$1,180 CAD
View
Price last confirmed 34 days ago
B
Retailer 17
-
$1,820 CAD
View
Most Expensive
C
NZ Jewellers
5d455ea6-a4b4-4a43-970c-4a09e1015088 · Nov 5
$2,485 CAD
$1,767 USD
View
17 more retailers have this diamond
Prices start from $663 CADSave up to $1,823 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
$663 CAD