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Marquise|Natural|GIA

0.50ct K SI2 Marquise Natural Diamond

VG • K/SI2 • GIA 6555715955

Certificate GIA 6555715955

Diamond specifications and retailer prices

From $373 USD
As of November 6, 2026
Save $1,235 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,608 USD 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6555715955. Listed at 15 retailers as of November 5, 2026, with prices from $373 to $1,608, a $1,235 spread on the same certified stone. NZ Jewellers lists it at $1,608. 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
K
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555715955
Dimensions8.06 × 4.22 × 2.59 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
8.06 mm4.22 mm0.50 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555715955
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.4%

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: $1,608 USD|Low: $373 USD|High: $1,632 USD|Avg: $703 USD|-1.5%
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 2$373 USD
Retailer 6$435 USD
Retailer 11$513 USD
Retailer 5$535 USD
Retailer 3$552 USD
Retailer 12$552 USD
Retailer 4$592 USD
Retailer 10$592 USD
Retailer 8$609 USD
Retailer 9$632 USD
Retailer 7$637 USD
Retailer 15$644 USD
Retailer 14$767 USD
Retailer 13$1,183 USD
NZ Jewellers$1,608 USD

24 data points across 15 retailers

15 retailers$373 USD to $1,608 USD

A
Cheapest Retailer
-
$373 USD
B+
Retailer 2
-
$435 USD
View
B+
Retailer 3
-
$513 USD
View
B+
Retailer 4
-
$535 USD
View
Retailer 5
-
$552 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$552 USD
View
B+
Retailer 7
-
$592 USD
View
B+
Retailer 8
-
$592 USD
View
B+
Retailer 9
-
$609 USD
View
B+
Retailer 10
-
$632 USD
View
B+
Retailer 11
-
$637 USD
View
B+
Retailer 12
-
$644 USD
View
B
Retailer 13
-
$767 USD
View
B
Retailer 14
-
$1,183 USD
View
Most Expensive
C
NZ Jewellers
dffc7c84-d095-4742-8a74-67799d08f478 · Nov 5
$1,608 USD
View
14 more retailers have this diamond
Prices start from $373 USDSave up to $1,235 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
$373 USD