Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1565001209

Certificate GIA 1565001209

Diamond specifications and retailer prices

From €491 EUR
HK$4,300 HKD
As of November 1, 2026
Save €1,341 EUR (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,831 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565001209. Listed at 17 retailers as of October 30, 2026, with prices from €491 to €1,831, a €1,341 spread on the same certified stone. NZ Jewellers lists it at €1,831. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565001209
Dimensions8.28 × 4.07 × 2.47 mm
L/W Ratio2.03
Key to symbols
Crystal, Needle, Feather
Top View
8.28 mm4.07 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1565001209
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.6%

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 1
Current: €1,831 EUR|Low: €468 EUR|High: €1,907 EUR|Avg: €769 EUR|+4.4%
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
November 2, 2026
Retailer 3€491 EUR
Retailer 4€539 EUR
Retailer 15€584 EUR
Retailer 17€584 EUR
Retailer 6€593 EUR
Retailer 16€606 EUR
Retailer 8€607 EUR
Retailer 9€674 EUR
Retailer 14€674 EUR
Retailer 5€693 EUR
Retailer 2€697 EUR
Retailer 7€702 EUR
Retailer 10€714 EUR
Retailer 13€732 EUR
Retailer 12€858 EUR
Retailer 11€1,349 EUR
NZ Jewellers€1,831 EUR

29 data points across 17 retailers

17 retailers€491 EUR to €1,831 EUR

A
Cheapest Retailer
-
€491 EUR
HK$4,300 HKD
A
Retailer 2
-
€539 EUR
$604 USD
View
Final sale: no returns
A
Retailer 3
-
€584 EUR
$655 USD
View
A
Retailer 4
-
€584 EUR
$655 USD
View
A
Retailer 5
-
€593 EUR
$665 USD
View
A
Retailer 6
-
€606 EUR
$680 USD
View
A
Retailer 7
-
€607 EUR
SGD 920 SGD
View
A
Retailer 8
-
€674 EUR
$756 USD
View
Retailer 9
-
€674 EUR
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
€693 EUR
$777 USD
View
A
Retailer 11
-
€697 EUR
£616 GBP
View
B+
Retailer 12
-
€702 EUR
$787 USD
View
B+
Retailer 13
-
€714 EUR
£630 GBP
View
B+
Retailer 14
-
€732 EUR
£646 GBP
View
B+
Retailer 15
-
€858 EUR
View
B
Retailer 16
-
€1,349 EUR
£1,191 GBP
View
Most Expensive
B
NZ Jewellers
f7525088-09f3-4acf-89c1-450817655470 · Oct 30
€1,831 EUR
$2,054 USD
View
16 more retailers have this diamond
Prices start from €491 EURSave up to €1,341 EUR

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
€491 EUR