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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541520345

Certificate GIA 6541520345

Diamond specifications and retailer prices

From €444 EUR
₹47,196 INR
As of November 1, 2026
Save €1,280 EUR (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,724 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 6541520345. Listed at 15 retailers as of October 30, 2026, with prices from €444 to €1,724, a €1,280 spread on the same certified stone. NZ Jewellers lists it at €1,724. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541520345
Dimensions8.21 × 4.06 × 2.52 mm
L/W Ratio2.02
Top View
8.21 mm4.06 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541520345
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.2%

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 1
Current: €676 EUR|Low: €443 EUR|High: €1,285 EUR|Avg: €676 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3€444 EUR
Retailer 7€503 EUR
Retailer 8€507 EUR
Retailer 2€559 EUR
Retailer 9€592 EUR
Retailer 10€664 EUR
Retailer 1€676 EUR
Retailer 6€689 EUR
Retailer 5€811 EUR
Retailer 4€1,270 EUR

37 data points across 10 retailers

15 retailers€444 EUR to €1,724 EUR

A
Cheapest Retailer
-
€444 EUR
₹47,196 INR
Retailer 2
-
€503 EUR
SGD 760 SGD
View
Price last confirmed 10 days ago
A
Retailer 3
-
€507 EUR
$566 USD
View
Final sale: no returns
A
Retailer 4
-
€550 EUR
$614 USD
View
A
Retailer 5
-
€559 EUR
$625 USD
View
A
Retailer 6
-
€592 EUR
$661 USD
View
A
Retailer 7
-
€592 EUR
$661 USD
View
A
Retailer 8
-
€634 EUR
$708 USD
View
Retailer 9
-
€664 EUR
£585 GBP
View
Price last confirmed 33 days ago
A
Retailer 10
-
€668 EUR
$746 USD
View
A
Retailer 11
-
€676 EUR
£594 GBP
View
A
Retailer 12
-
€689 EUR
£606 GBP
View
B+
Retailer 13
-
€811 EUR
View
B
Retailer 14
-
€1,270 EUR
£1,117 GBP
View
Most Expensive
B
NZ Jewellers
3a0a683c-6847-478a-8fd9-c7ff839e6d66 · Oct 30
€1,724 EUR
$1,926 USD
View
14 more retailers have this diamond
Prices start from €444 EURSave up to €1,280 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
€444 EUR