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Marquise|Natural|GIA

0.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 3565193131

Certificate GIA 3565193131

Diamond specifications and retailer prices

From $794 NZD
As of November 2, 2026
Save $2,433 NZD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,227 NZD at NZ Jewellers · As of November 3, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565193131. Listed at 17 retailers as of November 2, 2026, with prices from $794 to $3,227, a $2,433 spread on the same certified stone. NZ Jewellers lists it at $3,227. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.5°
Pavilion angle40.9°
OriginNatural
Grading LabGIA
CertificateGIA 3565193131
Dimensions7.73 × 4.18 × 2.71 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Top View
7.73 mm4.18 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565193131
Side View
Table 58.0%Crown 37.5°Girdle: MED-VTKPavilion 40.9°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,227 NZD|Low: $794 NZD|High: $3,243 NZD|Avg: $1,326 NZD|-0.5%
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
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 13$794 NZD
Retailer 10$900 NZD
Retailer 5$949 NZD
Retailer 9$956 NZD
Retailer 4$1,028 NZD
Retailer 3$1,108 NZD
Retailer 18$1,108 NZD
Retailer 8$1,113 NZD
Retailer 16$1,187 NZD
Retailer 7$1,261 NZD
Retailer 11$1,261 NZD
Retailer 15$1,272 NZD
Retailer 17$1,288 NZD
Retailer 6$1,364 NZD
Retailer 2$1,434 NZD
Retailer 12$1,481 NZD
Retailer 14$2,374 NZD
NZ Jewellers$3,227 NZD

26 data points across 18 retailers

17 retailers$794 NZD to $3,227 NZD

A
Cheapest Retailer
-
$794 NZD
A
Retailer 2
-
$900 NZD
View
A
Retailer 3
-
$956 NZD
View
A
Retailer 4
-
$1,028 NZD
View
Retailer 5
-
$1,108 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,108 NZD
View
Retailer 7
-
$1,113 NZD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$1,187 NZD
View
A
Retailer 9
-
$1,261 NZD
View
A
Retailer 10
-
$1,261 NZD
View
A
Retailer 11
-
$1,272 NZD
View
A
Retailer 12
-
$1,288 NZD
View
B+
Retailer 13
-
$1,364 NZD
View
B+
Retailer 14
-
$1,434 NZD
View
B+
Retailer 15
-
$1,481 NZD
View
B
Retailer 16
-
$2,374 NZD
View
Most Expensive
B
NZ Jewellers
c0f936e5-6a7d-415a-b5f7-31d8ef9c91c6 · Nov 3
$3,227 NZD
$1,789 USD
View
16 more retailers have this diamond
Prices start from $794 NZDSave up to $2,433 NZD

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
$794 NZD