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Radiant|Natural|GIA

2.51ct E SI2 Radiant Natural Diamond

ID • E/SI2 • GIA 5242078589

Certificate GIA 5242078589

Diamond specifications and retailer prices

From €19,007 EUR
HK$165,900 HKD
As of October 30, 2026
Save €16,082 EUR (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €35,090 EUR at MOH London · As of November 1, 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 E 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 5242078589. Listed at 8 retailers as of October 30, 2026, with prices from €19,007 to €35,090, a €16,082 spread on the same certified stone. MOH London lists it at €35,090. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle61.36°
OriginNatural
Grading LabGIA
CertificateGIA 5242078589
Dimensions9.61 × 6.85 × 4.44 mm
L/W Ratio1.40
Key to symbols
Feather, Crystal, Needle
Top View
9.61 mm6.85 mm2.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242078589
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 61.36°Culet: NoneDepth 64.9%

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: Oct 30
Current: €35,090 EUR|Low: €19,007 EUR|High: €36,265 EUR|Avg: €25,952 EUR|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€19,007 EUR
Retailer 8€21,331 EUR
Retailer 2€25,138 EUR
Retailer 7€25,833 EUR
Retailer 5€26,040 EUR
Retailer 6€26,867 EUR
Retailer 3€31,829 EUR
MOH London€35,090 EUR

24 data points across 8 retailers

8 retailers€19,007 EUR to €35,090 EUR

A
Cheapest Retailer
-
€19,007 EUR
HK$165,900 HKD
Retailer 2
-
€21,331 EUR
SGD 32,204 SGD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
€25,138 EUR
£22,114 GBP
View
B+
Retailer 4
-
€25,833 EUR
$28,861 USD
View
B+
Retailer 5
-
€26,040 EUR
$29,092 USD
View
B+
Retailer 6
-
€26,867 EUR
$30,016 USD
View
B
Retailer 7
-
€31,829 EUR
$35,560 USD
View
Most Expensive
B
MOH London
D397146F4 · Nov 1
€35,090 EUR
£30,868 GBP
View
7 more retailers have this diamond
Prices start from €19,007 EURSave up to €16,082 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
€19,007 EUR