CaratHunter
Plans
Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569290395

Certificate GIA 1569290395

Diamond specifications and retailer prices

From €427 EUR
$479 USD
As of November 3, 2026
Save €1,024 EUR (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,451 EUR 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 I 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 1569290395. Listed at 7 retailers as of November 3, 2026, with prices from €427 to €1,451, a €1,024 spread on the same certified stone. NZ Jewellers lists it at €1,451. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569290395
Dimensions8.25 × 4.02 × 2.62 mm
L/W Ratio2.05
Top View
8.25 mm4.02 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569290395
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 65.2%

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 3
Current: €1,451 EUR|Low: €427 EUR|High: €1,697 EUR|Avg: €727 EUR|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 2€427 EUR
Retailer 5€514 EUR
Retailer 4€569 EUR
Retailer 7€594 EUR
Retailer 3€598 EUR
Retailer 6€629 EUR
NZ Jewellers€1,451 EUR

36 data points across 7 retailers

7 retailers€427 EUR to €1,451 EUR

A
Cheapest Retailer
-
€427 EUR
$479 USD
Final sale: no returns
B+
Retailer 2
-
€514 EUR
$576 USD
View
B+
Retailer 3
-
€569 EUR
£503 GBP
View
B+
Retailer 4
-
€594 EUR
$666 USD
View
B+
Retailer 5
-
€598 EUR
£529 GBP
View
B+
Retailer 6
-
€629 EUR
$706 USD
View
Most Expensive
B
NZ Jewellers
4f134632-53d8-43dd-bacb-b6986358acba · Nov 3
€1,451 EUR
$1,628 USD
View
6 more retailers have this diamond
Prices start from €427 EURSave up to €1,024 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
€427 EUR