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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 €18,773 EUR
$21,056 USD
As of November 1, 2026
Save €13,161 EUR (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €31,934 EUR 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 very-good cut grade and certified by GIA 5231884635. Listed at 17 retailers as of November 1, 2026, with prices from €18,773 to €31,934, a €13,161 spread on the same certified stone. MOH London lists it at €31,934. 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
Colour
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: Nov 1
Current: €31,934 EUR|Low: €18,906 EUR|High: €32,319 EUR|Avg: €23,566 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€18,944 EUR
Retailer 3€20,447 EUR
Retailer 5€21,470 EUR
Retailer 4€23,842 EUR
MOH London€31,934 EUR

42 data points across 5 retailers

17 retailers€18,773 EUR to €31,934 EUR

A
Cheapest Retailer
-
€18,773 EUR
$21,056 USD
A
Retailer 2
-
€18,797 EUR
$21,083 USD
View
A
Retailer 3
-
€18,944 EUR
₹2,023,636 INR
View
B+
Retailer 4
-
€19,232 EUR
CA$29,960 CAD
View
B+
Retailer 5
-
€20,447 EUR
£18,058 GBP
View
B+
Retailer 6
-
€20,447 EUR
$22,934 USD
View
B+
Retailer 7
-
€20,805 EUR
$23,335 USD
View
B+
Retailer 8
-
€21,470 EUR
$24,081 USD
View
B+
Retailer 9
-
€21,942 EUR
$24,610 USD
View
B+
Retailer 10
-
€21,942 EUR
$24,610 USD
View
B+
Retailer 11
-
€22,151 EUR
$24,845 USD
View
B+
Retailer 12
-
€22,673 EUR
$25,430 USD
View
B+
Retailer 13
-
€23,004 EUR
$25,801 USD
View
B+
Retailer 14
-
€23,842 EUR
View
B+
Retailer 15
-
€23,850 EUR
$26,750 USD
View
B
Retailer 16
-
€28,967 EUR
$32,490 USD
View
Most Expensive
B
MOH London
91F4BC906 · Nov 1
€31,934 EUR
£28,203 GBP
View
16 more retailers have this diamond
Prices start from €18,773 EURSave up to €13,161 EUR

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
€18,773 EUR