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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 $29,721 CAD
HK$165,900 HKD
As of October 29, 2026
Save $25,771 CAD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $55,492 CAD at MOH London · As of October 29, 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 29, 2026, with prices from $29,721 to $55,492, a $25,771 spread on the same certified stone. MOH London lists it at $55,492. 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
Color
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 29
Current: $55,492 CAD|Low: $29,721 CAD|High: $56,706 CAD|Avg: $40,549 CAD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$29,721 CAD
Retailer 8$33,354 CAD
Retailer 2$39,425 CAD
Retailer 6$40,394 CAD
Retailer 4$40,717 CAD
Retailer 5$42,010 CAD
Retailer 7$50,068 CAD
MOH London$55,492 CAD

23 data points across 8 retailers

8 retailers$29,721 CAD to $55,492 CAD

A
Cheapest Retailer
-
$29,721 CAD
HK$165,900 HKD
Retailer 2
-
$33,354 CAD
SGD 32,204 SGD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
$39,425 CAD
£22,180 GBP
View
B+
Retailer 4
-
$40,394 CAD
$28,861 USD
View
B+
Retailer 5
-
$40,717 CAD
$29,092 USD
View
B+
Retailer 6
-
$42,010 CAD
$30,016 USD
View
B
Retailer 7
-
$50,068 CAD
$35,773 USD
View
Most Expensive
B
MOH London
D397146F4 · Oct 29
$55,492 CAD
£31,219 GBP
View
7 more retailers have this diamond
Prices start from $29,721 CADSave up to $25,771 CAD

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
$29,721 CAD