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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7558566290

Certificate GIA 7558566290

Diamond specifications and retailer prices

From €530 EUR
$595 USD
As of November 2, 2026
Save €1,275 EUR (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,805 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded F 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 7558566290. Listed at 6 retailers as of November 2, 2026, with prices from €530 to €1,805, a €1,275 spread on the same certified stone. NZ Jewellers lists it at €1,805. 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

0.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
OriginNatural
Grading LabGIA
CertificateGIA 7558566290
Dimensions8.17 × 4.20 × 2.60 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Feather
Top View
8.17 mm4.20 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558566290
Side View
Table 58.0%Crown 34°Girdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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 2
Current: €1,805 EUR|Low: €506 EUR|High: €1,874 EUR|Avg: €901 EUR|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6€530 EUR
Retailer 5€557 EUR
Retailer 2€702 EUR
Retailer 4€721 EUR
Retailer 3€772 EUR
NZ Jewellers€1,805 EUR

43 data points across 6 retailers

6 retailers€530 EUR to €1,805 EUR

A
Cheapest Retailer
-
€530 EUR
$595 USD
Final sale: no returns
A
Retailer 2
-
€557 EUR
SGD 844 SGD
View
B+
Retailer 3
-
€702 EUR
£620 GBP
View
B+
Retailer 4
-
€721 EUR
£637 GBP
View
B+
Retailer 5
-
€772 EUR
View
Most Expensive
B
NZ Jewellers
126aba6a-0fbf-4202-9f20-0fc615b243fb · Nov 3
€1,805 EUR
$2,025 USD
View
5 more retailers have this diamond
Prices start from €530 EURSave up to €1,275 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
0.51ct Marquise
€530 EUR