CaratHunter
Plans
Marquise|Natural|GIA

0.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7551203000

Certificate GIA 7551203000

Diamond specifications and retailer prices

From $840 CAD
HK$4,700 HKD
As of November 1, 2026
Save $1,202 CAD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,660 CAD at NZ Jewellers · As of September 20, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551203000. Listed at 21 retailers as of November 1, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551203000
Dimensions8.14 × 4.24 × 2.50 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Knot
Top View
8.14 mm4.24 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551203000
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.9%

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: Nov 1
Current: $845 CAD|Low: $798 CAD|High: $2,884 CAD|Avg: $1,482 CAD|-8.0%
Retailer 1
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 1, 2026
Retailer 13$840 CAD
Retailer 1$845 CAD
Retailer 12$995 CAD
Retailer 14$1,030 CAD
Retailer 2$1,131 CAD
Retailer 5$1,178 CAD
Retailer 4$1,301 CAD
Retailer 8$1,330 CAD
Retailer 15$1,348 CAD
Retailer 3$1,504 CAD
Retailer 10$1,578 CAD
Retailer 6$1,677 CAD
Retailer 11$1,721 CAD
Retailer 9$2,042 CAD
Retailer 7$2,732 CAD

32 data points across 15 retailers

21 retailers$840 CAD to $2,042 CAD

A
Cheapest Retailer
-
$840 CAD
HK$4,700 HKD
A
Retailer 2
-
$845 CAD
₹57,642 INR
View
A
Retailer 3
-
$995 CAD
$712 USD
View
A
Retailer 4
-
$1,030 CAD
$737 USD
View
Final sale: no returns
A
Retailer 5
-
$1,054 CAD
A$1,161 AUD
View
Retailer 6
-
$1,095 CAD
$784 USD
View
Price last confirmed 45 days ago
Retailer 7
-
$1,115 CAD
$798 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$1,131 CAD
$810 USD
View
Retailer 9
-
$1,166 CAD
$835 USD
View
Price last confirmed 40 days ago
B+
Retailer 10
-
$1,178 CAD
SGD 1,140 SGD
View
B+
Retailer 11
-
$1,301 CAD
$931 USD
View
B+
Retailer 12
-
$1,330 CAD
£750 GBP
View
Retailer 13
-
$1,347 CAD
$964 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
$1,348 CAD
$965 USD
View
B+
Retailer 15
-
$1,504 CAD
$1,076 USD
View
B+
Retailer 16
-
$1,578 CAD
A$1,738 AUD
View
B+
Retailer 17
-
$1,578 CAD
€1,076 EUR
View
Retailer 18
-
$1,677 CAD
A$1,847 AUD
View
Price last confirmed 29 days ago
B+
Retailer 19
-
$1,721 CAD
ZAR 19,909 ZAR
View
B
Retailer 20
-
$2,042 CAD
£1,151 GBP
View
Most Expensive
NZ Jewellers
4132ea8f-779b-4abd-90d9-002858131449 · Sep 20
$3,660 CAD
$2,620 USD
View
Price under review
20 more retailers have this diamond
Prices start from $840 CADSave up to $1,202 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
$840 CAD