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Marquise|Natural|GIA

0.50ct E SI1 Marquise Natural Diamond

VG • E/SI1 • GIA 6552378837

Certificate GIA 6552378837

Diamond specifications and retailer prices

From $1,175 CAD
As of November 4, 2026
Save $1,392 CAD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,403 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6552378837. Listed at 22 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
E
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552378837
Dimensions8.79 × 3.98 × 2.50 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizeNone
Top View
8.79 mm3.98 mm0.50 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552378837
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,403 CAD|Low: $979 CAD|High: $4,403 CAD|Avg: $1,871 CAD
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
November 6, 2026
Retailer 13$1,175 CAD
Retailer 11$1,180 CAD
Retailer 5$1,272 CAD
Retailer 4$1,278 CAD
Retailer 15$1,321 CAD
Retailer 3$1,433 CAD
Retailer 6$1,468 CAD
Retailer 12$1,494 CAD
Retailer 2$1,630 CAD
Retailer 14$1,835 CAD
Retailer 10$1,965 CAD
Retailer 8$2,166 CAD
Retailer 7$2,272 CAD
Retailer 9$2,567 CAD
NZ Jewellers$4,403 CAD

46 data points across 15 retailers

22 retailers$1,175 CAD to $2,567 CAD

Retailer 1
-
$821 CAD
Price last confirmed 63 days ago
B+
Retailer 2
-
$1,175 CAD
View
Final sale: no returns
B+
Retailer 3
-
$1,177 CAD
View
Retailer 4
-
$1,180 CAD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,260 CAD
View
B+
Retailer 6
-
$1,272 CAD
View
Retailer 7
-
$1,272 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,278 CAD
View
B+
Retailer 9
-
$1,285 CAD
View
B+
Retailer 10
-
$1,321 CAD
View
B
Retailer 11
-
$1,433 CAD
View
B
Retailer 12
-
$1,468 CAD
View
B
Retailer 13
-
$1,494 CAD
View
B
Retailer 14
-
$1,578 CAD
View
B
Retailer 15
-
$1,630 CAD
View
Retailer 16
-
$1,835 CAD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,853 CAD
View
B
Retailer 18
-
$1,965 CAD
View
B
Retailer 19
-
$2,166 CAD
View
B
Retailer 20
-
$2,272 CAD
View
B
Retailer 21
-
$2,567 CAD
View
Most Expensive
NZ Jewellers
7f37b805-ce11-4328-9561-62bd84e40bac · Nov 5
$4,403 CAD
$3,153 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,175 CADSave up to $1,392 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.

B+
0.50ct Marquise
$1,175 CAD