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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2231814045

Certificate GIA 2231814045

Diamond specifications and retailer prices

From $23,089 USD
As of October 30, 2026
Save $16,130 USD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $39,219 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231814045. Listed at 14 retailers as of October 30, 2026, with prices from $23,089 to $39,219, a $16,130 spread on the same certified stone. MOH London lists it at $39,219. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231814045
Dimensions8.77 × 8.80 × 5.34 mm
L/W Ratio1.00
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather
Top View
8.77 mm8.80 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231814045
Side View
Table 60.0%Crown 32.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.8%

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 30
Current: $39,219 USD|Low: $24,065 USD|High: $39,691 USD|Avg: $29,621 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$24,065 USD
Retailer 4$25,373 USD
Retailer 8$26,367 USD
Retailer 5$27,204 USD
Retailer 6$28,250 USD
Retailer 3$28,893 USD
Retailer 2$29,594 USD
Retailer 7$35,575 USD
MOH London$39,219 USD

31 data points across 9 retailers

14 retailers$23,089 USD to $39,219 USD

A
Cheapest Retailer
-
$23,089 USD
B+
Retailer 2
-
$23,872 USD
CA$33,156 CAD
View
B+
Retailer 3
-
$24,065 USD
View
Final sale: no returns
B+
Retailer 4
-
$25,373 USD
£19,979 GBP
View
B+
Retailer 5
-
$26,367 USD
View
B+
Retailer 6
-
$27,204 USD
View
Retailer 7
-
$27,680 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$27,680 USD
View
B+
Retailer 9
-
$28,250 USD
View
B+
Retailer 10
-
$28,600 USD
View
B+
Retailer 11
-
$28,893 USD
£22,751 GBP
View
B+
Retailer 12
-
$29,594 USD
€28,185 EUR
View
B
Retailer 13
-
$35,575 USD
View
Most Expensive
B
MOH London
07A98A37C · Nov 1
$39,219 USD
£30,881 GBP
View
13 more retailers have this diamond
Prices start from $23,089 USDSave up to $16,130 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 Round
$23,089 USD