Radiant|Natural|GIA

2.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 5231771563

Certificate GIA 5231771563

Diamond specifications and retailer prices

From $20,758 CAD
$14,860 USD
As of October 31, 2026
Save $8,577 CAD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $29,335 CAD at Jared · As of October 30, 2026
View at Jared

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 5231771563. Listed at 8 retailers as of October 30, 2026, with prices from $20,758 to $29,335, a $8,577 spread on the same certified stone. Jared lists it at $29,335. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.57°
Pavilion angle30.14°
OriginNatural
Grading LabGIA
CertificateGIA 5231771563
Dimensions8.95 × 6.74 × 4.47 mm
L/W Ratio1.33
Top View
8.95 mm6.74 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231771563
Side View
Table 68.0%Crown 44.57°Girdle: STK-VTKPavilion 30.14°Culet: NoneDepth 66.3%

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 31
Current: $29,335 CAD|Low: $20,758 CAD|High: $29,335 CAD|Avg: $25,152 CAD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 5, 2026
Retailer 4$20,758 CAD
Retailer 5$22,241 CAD
Retailer 8$22,912 CAD
Retailer 2$23,166 CAD
Retailer 9$24,808 CAD
Retailer 10$26,175 CAD
Retailer 3$27,526 CAD
Retailer 6$28,399 CAD
Retailer 7$28,399 CAD
Jared$29,335 CAD

3 data points across 10 retailers

8 retailers$20,758 CAD to $29,335 CAD

A
Cheapest Retailer
-
$20,758 CAD
$14,860 USD
A
Retailer 2
-
$22,241 CAD
$15,922 USD
View
A
Retailer 3
-
$22,560 CAD
A$24,846 AUD
View
A
Retailer 4
-
$23,166 CAD
$16,584 USD
View
Final sale: no returns
A
Retailer 5
-
$27,526 CAD
$19,705 USD
View
A
Retailer 6
-
$28,399 CAD
$20,330 USD
View
A
Retailer 7
-
$28,399 CAD
$20,330 USD
View
Most Expensive
A
Jared
159330553 · Oct 30
$29,335 CAD
$21,000 USD
View
7 more retailers have this diamond
Prices start from $20,758 CADSave up to $8,577 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
$20,758 CAD