Marquise|Natural|GIA

0.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6562499780

Certificate GIA 6562499780

Diamond specifications and retailer prices

From $574 USD
As of November 7, 2026
Save $850 USD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,442 USD at NZ Jewellers · As of November 7, 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 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 6562499780. Listed at 21 retailers as of November 4, 2026, with a 148% 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562499780
Dimensions8.10 × 4.22 × 2.64 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
8.10 mm4.22 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562499780
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

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 7
Current: $2,442 USD|Low: $574 USD|High: $2,442 USD|Avg: $977 USD
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
Retailer 20
Retailer 21
November 7, 2026
Retailer 2$574 USD
Retailer 10$695 USD
Retailer 9$720 USD
Retailer 4$779 USD
Retailer 6$779 USD
Retailer 8$791 USD
Retailer 5$809 USD
Retailer 12$880 USD
Retailer 15$880 USD
Retailer 14$899 USD
Retailer 3$911 USD
Retailer 18$926 USD
Retailer 11$929 USD
Retailer 13$934 USD
Retailer 7$950 USD
Retailer 17$957 USD
Retailer 19$1,005 USD
Retailer 16$1,013 USD
Retailer 20$1,201 USD
Retailer 21$1,424 USD
NZ Jewellers$2,442 USD

21 data points across 21 retailers

21 retailers$574 USD to $1,424 USD

A
Cheapest Retailer
-
$574 USD
B+
Retailer 2
-
$695 USD
View
B+
Retailer 3
-
$720 USD
View
B+
Retailer 4
-
$779 USD
View
B+
Retailer 5
-
$779 USD
View
B+
Retailer 6
-
$791 USD
View
B+
Retailer 7
-
$809 USD
View
B
Retailer 8
-
$880 USD
View
B
Retailer 9
-
$880 USD
View
B+
Retailer 10
-
$899 USD
View
B+
Retailer 11
-
$911 USD
View
B+
Retailer 12
-
$926 USD
View
B+
Retailer 13
-
$929 USD
View
B
Retailer 14
-
$934 USD
View
B+
Retailer 15
-
$950 USD
View
B+
Retailer 16
-
$957 USD
View
B
Retailer 17
-
$1,005 USD
View
B
Retailer 18
-
$1,013 USD
View
B
Retailer 19
-
$1,201 USD
View
B
Retailer 20
-
$1,424 USD
View
Most Expensive
NZ Jewellers
84a52555-a39d-4d83-a36b-e799c92ae233 · Nov 7
$2,442 USD
View
Price under review
20 more retailers have this diamond
Prices start from $574 USDSave up to $850 USD

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
$574 USD