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Radiant|Natural|GIA

2.51ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 6532765109

Certificate GIA 6532765109

Diamond specifications and retailer prices

From $22,218 AUD
£12,261 GBP
As of November 2, 2026
Save $9,245 AUD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $31,463 AUD at MOH London · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532765109. Listed at 6 retailers as of November 2, 2026, with prices from $22,218 to $31,463, a $9,245 spread on the same certified stone. MOH London lists it at $31,463. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.31°
Pavilion angle30.07°
OriginNatural
Grading LabGIA
CertificateGIA 6532765109
Dimensions8.73 × 6.63 × 4.61 mm
L/W Ratio1.32
Top View
8.73 mm6.63 mm2.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532765109
Side View
Table 64.0%Crown 44.31°Girdle: MED-STKPavilion 30.07°Culet: NoneDepth 69.5%

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: Nov 2
Current: $31,463 AUD|Low: $22,218 AUD|High: $32,546 AUD|Avg: $25,387 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$22,218 AUD
Retailer 10$23,554 AUD
Retailer 5$23,648 AUD
Retailer 3$23,719 AUD
Retailer 7$23,807 AUD
Retailer 8$23,901 AUD
Retailer 6$24,089 AUD
Retailer 9$25,531 AUD
Retailer 4$28,539 AUD
MOH London$31,463 AUD

30 data points across 10 retailers

6 retailers$22,218 AUD to $31,463 AUD

A
Cheapest Retailer
-
$22,218 AUD
£12,261 GBP
A
Retailer 2
-
$23,648 AUD
$16,573 USD
View
A
Retailer 3
-
$23,719 AUD
$16,623 USD
View
A
Retailer 4
-
$24,089 AUD
$16,882 USD
View
A
Retailer 5
-
$28,539 AUD
$20,001 USD
View
Most Expensive
A
MOH London
3317AC683 · Nov 2
$31,463 AUD
£17,362 GBP
View
5 more retailers have this diamond
Prices start from $22,218 AUDSave up to $9,245 AUD

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
$22,218 AUD