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Radiant|Natural|GIA

2.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 5231771563

Certificate GIA 5231771563

Diamond specifications and retailer prices

From €13,301 EUR
$14,860 USD
As of October 31, 2026
Save €5,496 EUR (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €18,797 EUR at Jared · As of November 2, 2026
View at Jared

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231771563. Listed at 8 retailers as of October 31, 2026, with prices from €13,301 to €18,797, a €5,496 spread on the same certified stone. Jared lists it at €18,797. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.57°
Pavilion angle30.14°
OriginNatural
Grading LabGIA
CertificateGIA 5231771563
Dimensions8.95 × 6.74 × 4.47 mm
L/W Ratio1.33
Top View
8.95 mm6.74 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231771563
Side View
Table 68.0%Crown 44.57°Girdle: STK-VTKPavilion 30.14°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €18,797 EUR|Low: €13,301 EUR|High: €18,797 EUR|Avg: €16,117 EUR
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 5, 2026
Retailer 4€13,301 EUR
Retailer 5€14,252 EUR
Retailer 8€14,681 EUR
Retailer 2€14,844 EUR
Retailer 9€15,896 EUR
Retailer 10€16,772 EUR
Retailer 3€17,638 EUR
Retailer 6€18,197 EUR
Retailer 7€18,197 EUR
Jared€18,797 EUR

3 data points across 10 retailers

8 retailers€13,301 EUR to €18,797 EUR

A
Cheapest Retailer
-
€13,301 EUR
$14,860 USD
A
Retailer 2
-
€14,252 EUR
$15,922 USD
View
A
Retailer 3
-
€14,456 EUR
A$24,846 AUD
View
A
Retailer 4
-
€14,844 EUR
$16,584 USD
View
Final sale: no returns
A
Retailer 5
-
€17,638 EUR
$19,705 USD
View
A
Retailer 6
-
€18,197 EUR
$20,330 USD
View
A
Retailer 7
-
€18,197 EUR
$20,330 USD
View
Most Expensive
A
Jared
159330553 · Nov 2
€18,797 EUR
$21,000 USD
View
7 more retailers have this diamond
Prices start from €13,301 EURSave up to €5,496 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
2.51ct Radiant
€13,301 EUR