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Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

GD • I/SI2 • GIA 3495457549

Certificate GIA 3495457549

Diamond specifications and retailer prices

From €491 EUR
$551 USD
As of November 2, 2026
Save €1,178 EUR (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,669 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3495457549. Listed at 15 retailers as of October 30, 2026, with prices from €491 to €1,669, a €1,178 spread on the same certified stone. NZ Jewellers lists it at €1,669. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3495457549
Dimensions8.57 × 4.12 × 2.45 mm
L/W Ratio2.08
Top View
8.57 mm4.12 mm0.50 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3495457549
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,669 EUR|Low: €491 EUR|High: €1,698 EUR|Avg: €771 EUR|-1.7%
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
November 2, 2026
Retailer 6€491 EUR
Retailer 5€504 EUR
Retailer 13€532 EUR
Retailer 14€544 EUR
Retailer 11€573 EUR
Retailer 12€573 EUR
Retailer 9€614 EUR
Retailer 7€636 EUR
Retailer 4€649 EUR
Retailer 3€650 EUR
Retailer 8€654 EUR
Retailer 10€786 EUR
Retailer 2€1,229 EUR
NZ Jewellers€1,669 EUR

34 data points across 14 retailers

15 retailers€491 EUR to €1,669 EUR

B+
Cheapest Retailer
-
€491 EUR
$551 USD
Final sale: no returns
B+
Retailer 2
-
€504 EUR
$565 USD
View
B+
Retailer 3
-
€532 EUR
$597 USD
View
B+
Retailer 4
-
€544 EUR
$610 USD
View
B+
Retailer 5
-
€573 EUR
$643 USD
View
B+
Retailer 6
-
€573 EUR
$643 USD
View
B+
Retailer 7
-
€614 EUR
$689 USD
View
B+
Retailer 8
-
€614 EUR
$689 USD
View
B+
Retailer 9
-
€636 EUR
£561 GBP
View
B+
Retailer 10
-
€649 EUR
$728 USD
View
B
Retailer 11
-
€650 EUR
$729 USD
View
B
Retailer 12
-
€654 EUR
£577 GBP
View
B
Retailer 13
-
€786 EUR
View
Retailer 14
-
€1,229 EUR
£1,085 GBP
View
Most Expensive
C
NZ Jewellers
8c84a93b-6b69-4708-9dff-9ab79c4ae0b9 · Oct 30
€1,669 EUR
$1,872 USD
View
14 more retailers have this diamond
Prices start from €491 EURSave up to €1,178 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.

B+
0.50ct Marquise
€491 EUR