Radiant|Natural|GIA

2.51ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 6512555153

Certificate GIA 6512555153

Diamond specifications and retailer prices

From €24,003 EUR
CA$37,391 CAD
As of November 2, 2026
15 retailers carry this diamond
Most expensive: €34,252 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three 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 6512555153. Listed at 15 retailers as of November 2, 2026. 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

2.51
Carat
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.95°
Pavilion angle30.86°
OriginNatural
Grading LabGIA
CertificateGIA 6512555153
Dimensions8.38 × 6.69 × 4.67 mm
L/W Ratio1.25
Top View
8.38 mm6.69 mm2.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512555153
Side View
Table 67.0%Crown 46.95°Girdle: ThickPavilion 30.86°Culet: NoneDepth 69.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €34,252 EUR|Low: €20,819 EUR|High: €34,619 EUR|Avg: €25,063 EUR
MOH London
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
October 27, 2026
Retailer 13€20,819 EUR
Retailer 14€20,948 EUR
Retailer 2€22,350 EUR
Retailer 12€22,790 EUR
Retailer 3€22,840 EUR
Retailer 4€23,556 EUR
Retailer 5€23,556 EUR
Retailer 8€24,036 EUR
Retailer 6€24,340 EUR
Retailer 7€25,782 EUR
Retailer 10€25,817 EUR
Retailer 11€26,635 EUR
Retailer 9€31,029 EUR
MOH London€34,252 EUR

29 data points across 14 retailers

15 retailers

Retailer 1
-
€20,948 EUR
$23,496 USD
Price last confirmed 8 days ago
Retailer 2
-
€22,350 EUR
£19,739 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
€22,790 EUR
$25,561 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€22,840 EUR
$25,618 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€23,556 EUR
$26,420 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€23,556 EUR
$26,420 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
€24,003 EUR
CA$37,391 CAD
View
Retailer 8
-
€24,036 EUR
$26,959 USD
View
Price last confirmed 7 days ago
Retailer 9
-
€24,340 EUR
$27,300 USD
View
Price last confirmed 8 days ago
Retailer 10
-
€25,782 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
€25,817 EUR
$28,956 USD
View
Price last confirmed 9 days ago
Retailer 12
-
€26,635 EUR
$29,874 USD
View
Price last confirmed 10 days ago
Retailer 13
-
€31,029 EUR
$34,802 USD
View
Price last confirmed 10 days ago
Retailer 14
-
€31,029 EUR
$34,802 USD
View
Price last confirmed 13 days ago
Most Expensive
MOH London
DE121A7EC · Oct 26
€34,252 EUR
£30,250 GBP
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from €24,003 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+
2.51ct Radiant
€24,003 EUR