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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 5231884635

Certificate GIA 5231884635

Diamond specifications and retailer prices

From $21,056 USD
As of October 30, 2026
Save $14,954 USD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $36,010 USD at MOH London · As of October 29, 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 very-good cut grade and certified by GIA 5231884635. Listed at 17 retailers as of October 29, 2026, with prices from $21,056 to $36,010, a $14,954 spread on the same certified stone. MOH London lists it at $36,010. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
F
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231884635
Dimensions8.85 × 8.98 × 5.25 mm
L/W Ratio1.01
Top View
8.85 mm8.98 mm2.51 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231884635
Side View
Table 62.0%Crown 29.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 58.9%

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 30
Current: $36,010 USD|Low: $21,205 USD|High: $36,250 USD|Avg: $26,506 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$21,276 USD
Retailer 2$23,126 USD
Retailer 5$24,081 USD
Retailer 3$26,862 USD
MOH London$36,010 USD

44 data points across 5 retailers

17 retailers$21,056 USD to $36,010 USD

A
Cheapest Retailer
-
$21,056 USD
A
Retailer 2
-
$21,083 USD
View
Retailer 3
-
$21,276 USD
₹2,026,246 INR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$21,571 USD
CA$29,960 CAD
View
B+
Retailer 5
-
$22,934 USD
View
B+
Retailer 6
-
$23,126 USD
£18,209 GBP
View
B+
Retailer 7
-
$23,335 USD
View
B+
Retailer 8
-
$24,081 USD
View
B+
Retailer 9
-
$24,610 USD
View
B+
Retailer 10
-
$24,610 USD
View
B+
Retailer 11
-
$24,845 USD
View
B+
Retailer 12
-
$25,430 USD
View
B+
Retailer 13
-
$25,801 USD
View
B+
Retailer 14
-
$26,750 USD
View
B+
Retailer 15
-
$26,862 USD
€25,583 EUR
View
B
Retailer 16
-
$32,490 USD
View
Most Expensive
B
MOH London
91F4BC906 · Oct 29
$36,010 USD
£28,354 GBP
View
16 more retailers have this diamond
Prices start from $21,056 USDSave up to $14,954 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
$21,056 USD