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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 $440 USD
As of November 2, 2026
Save $1,349 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,789 USD 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 $440 to $1,789, a $1,349 spread on the same certified stone. NZ Jewellers lists it at $1,789. 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
Color
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: $1,789 USD|Low: $440 USD|High: $1,798 USD|Avg: $735 USD|-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$440 USD
Retailer 10$499 USD
Retailer 5$526 USD
Retailer 9$530 USD
Retailer 4$570 USD
Retailer 3$614 USD
Retailer 18$614 USD
Retailer 8$617 USD
Retailer 16$658 USD
Retailer 7$699 USD
Retailer 11$699 USD
Retailer 15$705 USD
Retailer 17$714 USD
Retailer 6$756 USD
Retailer 2$795 USD
Retailer 12$821 USD
Retailer 14$1,316 USD
NZ Jewellers$1,789 USD

26 data points across 18 retailers

17 retailers$440 USD to $1,789 USD

A
Cheapest Retailer
-
$440 USD
A
Retailer 2
-
$499 USD
View
A
Retailer 3
-
$530 USD
View
A
Retailer 4
-
$570 USD
View
Retailer 5
-
$614 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$614 USD
View
Retailer 7
-
$617 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$658 USD
View
A
Retailer 9
-
$699 USD
View
A
Retailer 10
-
$699 USD
View
A
Retailer 11
-
$705 USD
View
A
Retailer 12
-
$714 USD
View
B+
Retailer 13
-
$756 USD
View
B+
Retailer 14
-
$795 USD
View
B+
Retailer 15
-
$821 USD
View
B
Retailer 16
-
$1,316 USD
View
Most Expensive
B
NZ Jewellers
c0f936e5-6a7d-415a-b5f7-31d8ef9c91c6 · Nov 3
$1,789 USD
View
16 more retailers have this diamond
Prices start from $440 USDSave up to $1,349 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
$440 USD