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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 $27,217 SGD
HK$165,900 HKD
As of October 29, 2026
Save $23,600 SGD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $50,817 SGD 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 $27,217 to $50,817, a $23,600 spread on the same certified stone. MOH London lists it at $50,817. 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 29
Current: $50,817 SGD|Low: $27,217 SGD|High: $51,929 SGD|Avg: $37,133 SGD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$27,217 SGD
Retailer 8$30,544 SGD
Retailer 2$36,104 SGD
Retailer 6$36,991 SGD
Retailer 4$37,287 SGD
Retailer 5$38,472 SGD
Retailer 7$45,850 SGD
MOH London$50,817 SGD

23 data points across 8 retailers

8 retailers$27,217 SGD to $50,817 SGD

A
Cheapest Retailer
-
$27,217 SGD
HK$165,900 HKD
Retailer 2
-
$30,544 SGD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
$36,104 SGD
£22,180 GBP
View
B+
Retailer 4
-
$36,991 SGD
$28,861 USD
View
B+
Retailer 5
-
$37,287 SGD
$29,092 USD
View
B+
Retailer 6
-
$38,472 SGD
$30,016 USD
View
B
Retailer 7
-
$45,850 SGD
$35,773 USD
View
Most Expensive
B
MOH London
D397146F4 · Oct 29
$50,817 SGD
£31,219 GBP
View
7 more retailers have this diamond
Prices start from $27,217 SGDSave up to $23,600 SGD

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
$27,217 SGD