Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 5231766500

Certificate GIA 5231766500

Diamond specifications and retailer prices

From €4,871 EUR
As of November 2, 2026
Save €3,776 EUR (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €8,647 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 5231766500. Listed at 6 retailers as of November 2, 2026, with prices from €4,871 to €8,647, a €3,776 spread on the same certified stone. NZ Jewellers lists it at €8,647. 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

1.51
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.2°
Pavilion angle40.61°
OriginNatural
Grading LabGIA
CertificateGIA 5231766500
Dimensions8.75 × 6.31 × 4.14 mm
L/W Ratio1.39
Top View
8.75 mm6.31 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231766500
Side View
Table 58.0%Crown 39.2°Girdle: MediumPavilion 40.61°Culet: NoneDepth 65.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €8,647 EUR|Low: €4,871 EUR|High: €8,734 EUR|Avg: €6,020 EUR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2€4,871 EUR
Retailer 4€5,170 EUR
Retailer 5€5,170 EUR
Retailer 6€5,268 EUR
Retailer 8€5,355 EUR
Retailer 7€5,524 EUR
Retailer 9€5,875 EUR
Retailer 3€7,616 EUR
NZ Jewellers€8,647 EUR

30 data points across 9 retailers

6 retailers€4,871 EUR to €8,647 EUR

A
Cheapest Retailer
-
€4,871 EUR
A
Retailer 2
-
€5,170 EUR
View
A
Retailer 3
-
€5,170 EUR
View
A
Retailer 4
-
€5,268 EUR
View
B+
Retailer 5
-
€7,616 EUR
View
Most Expensive
B
NZ Jewellers
7e187fd1-d5e8-4b79-829f-44795d5646fe · Nov 2
€8,647 EUR
$9,654 USD
View
5 more retailers have this diamond
Prices start from €4,871 EURSave up to €3,776 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
1.51ct Oval
€4,871 EUR