Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565453058

Certificate GIA 6565453058

Diamond specifications and retailer prices

From $22,750 USD
As of October 31, 2026
Save $13,468 USD (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $36,218 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 6565453058. Listed at 8 retailers as of October 31, 2026, with prices from $22,750 to $36,218, a $13,468 spread on the same certified stone. MOH London lists it at $36,218. 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
OriginNatural
Grading LabGIA
CertificateGIA 6565453058
Dimensions8.59 × 8.64 × 5.39 mm
L/W Ratio1.01
Top View
8.59 mm8.64 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565453058
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $36,218 USD|Low: $22,750 USD|High: $37,532 USD|Avg: $28,793 USD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$22,750 USD
Retailer 6$23,238 USD
Retailer 2$26,683 USD
Retailer 4$26,878 USD
Retailer 8$27,731 USD
Retailer 3$32,015 USD
Retailer 5$32,853 USD
MOH London$36,218 USD

32 data points across 8 retailers

8 retailers$22,750 USD to $36,218 USD

A
Cheapest Retailer
-
$22,750 USD
A
Retailer 2
-
$23,238 USD
View
B+
Retailer 3
-
$26,683 USD
£21,010 GBP
View
B+
Retailer 4
-
$26,878 USD
View
B+
Retailer 5
-
$27,731 USD
View
B+
Retailer 6
-
$32,015 USD
View
B+
Retailer 7
-
$32,853 USD
View
Most Expensive
B
MOH London
44F2EE7EC · Nov 1
$36,218 USD
£28,518 GBP
View
7 more retailers have this diamond
Prices start from $22,750 USDSave up to $13,468 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
$22,750 USD