Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 5231846819

Certificate GIA 5231846819

Diamond specifications and retailer prices

From €5,697 EUR
$6,390 USD
As of October 28, 2026
Save €4,491 EUR (44%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €10,188 EUR at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231846819. Listed at 22 retailers as of October 28, 2026, with prices from €5,697 to €10,188, a €4,491 spread on the same certified stone. MOH London lists it at €10,188. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231846819
Dimensions8.93 × 6.37 × 4.02 mm
L/W Ratio1.40
Top View
8.93 mm6.37 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231846819
Side View
Table 56.0%CrownGirdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: €10,188 EUR|Low: €5,238 EUR|High: €11,426 EUR|Avg: €6,783 EUR|+6.3%
MOH London
Retailer 2
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Retailer 11
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Retailer 19
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Retailer 24
Retailer 25
October 30, 2026
Retailer 11€5,238 EUR
Retailer 7€5,580 EUR
Retailer 12€5,651 EUR
Retailer 10€5,675 EUR
Retailer 22€5,697 EUR
Retailer 17€5,813 EUR
Retailer 6€5,856 EUR
Retailer 8€5,889 EUR
Retailer 3€5,970 EUR
Retailer 2€6,107 EUR
Retailer 14€6,161 EUR
Retailer 24€6,301 EUR
Retailer 9€6,335 EUR
Retailer 5€6,516 EUR
Retailer 19€6,785 EUR
Retailer 13€6,913 EUR
Retailer 20€7,027 EUR
Retailer 23€7,347 EUR
Retailer 25€7,347 EUR
Retailer 4€7,587 EUR
Retailer 21€7,588 EUR
Retailer 18€7,596 EUR
Retailer 16€8,249 EUR
MOH London€10,188 EUR
Retailer 15€11,303 EUR

21 data points across 25 retailers

22 retailers€5,697 EUR to €10,188 EUR

Retailer 1
-
€5,580 EUR
$6,258 USD
Price last confirmed 12 days ago
Retailer 2
-
€5,675 EUR
$6,365 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
€5,697 EUR
$6,390 USD
View
Retailer 4
-
€5,813 EUR
$6,520 USD
View
Price last confirmed 18 days ago
Retailer 5
-
€5,856 EUR
View
Price last confirmed 12 days ago
Retailer 6
-
€5,889 EUR
$6,605 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
€5,970 EUR
$6,696 USD
View
B+
Retailer 8
-
€6,107 EUR
CA$9,513 CAD
View
Retailer 9
-
€6,161 EUR
$6,910 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
€6,301 EUR
$7,067 USD
View
Retailer 11
-
€6,480 EUR
$7,268 USD
View
Price last confirmed 12 days ago
Retailer 12
-
€6,516 EUR
A$11,243 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
€6,550 EUR
$7,347 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
€6,785 EUR
$7,610 USD
View
B+
Retailer 15
-
€6,913 EUR
£6,105 GBP
View
B+
Retailer 16
-
€7,027 EUR
$7,882 USD
View
B+
Retailer 17
-
€7,347 EUR
$8,240 USD
View
B+
Retailer 18
-
€7,347 EUR
$8,240 USD
View
B+
Retailer 19
-
€7,587 EUR
$8,510 USD
View
B+
Retailer 20
-
€7,588 EUR
View
Retailer 21
-
€7,596 EUR
$8,519 USD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
456809E73 · Oct 29
€10,188 EUR
£8,998 GBP
View
21 more retailers have this diamond
Prices start from €5,697 EURSave up to €4,491 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
€5,697 EUR