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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 $15,571 USD
£12,261 GBP
As of November 2, 2026
Save $6,479 USD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $22,050 USD 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 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 1, 2026, with prices from $15,571 to $22,050, a $6,479 spread on the same certified stone. MOH London lists it at $22,050. 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
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: $22,050 USD|Low: $15,571 USD|High: $22,809 USD|Avg: $17,792 USD|-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$15,571 USD
Retailer 10$16,507 USD
Retailer 5$16,573 USD
Retailer 3$16,623 USD
Retailer 7$16,684 USD
Retailer 8$16,750 USD
Retailer 6$16,882 USD
Retailer 9$17,893 USD
Retailer 4$20,001 USD
MOH London$22,050 USD

30 data points across 10 retailers

6 retailers$15,571 USD to $22,050 USD

A
Cheapest Retailer
-
$15,571 USD
£12,261 GBP
A
Retailer 2
-
$16,573 USD
View
A
Retailer 3
-
$16,623 USD
View
A
Retailer 4
-
$16,882 USD
View
A
Retailer 5
-
$20,001 USD
View
Most Expensive
A
MOH London
3317AC683 · Nov 1
$22,050 USD
£17,362 GBP
View
5 more retailers have this diamond
Prices start from $15,571 USDSave up to $6,479 USD

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
$15,571 USD