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2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6545165280

Certificate GIA 6545165280

Diamond specifications and retailer prices

From €19,347 EUR
$21,700 USD
As of November 2, 2026
Save €11,522 EUR (37%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €30,869 EUR 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 top-tier cut grade and certified by GIA 6545165280. Listed at 7 retailers as of October 29, 2026, with prices from €19,347 to €30,869, a €11,522 spread on the same certified stone. MOH London lists it at €30,869. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545165280
Dimensions8.64 × 8.58 × 5.46 mm
L/W Ratio1.01
Top View
8.64 mm8.58 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545165280
Side View
Table 56.0%Crown 36°Girdle: THN-THNPavilion 41.2°Culet: NoneDepth 63.4%

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: Nov 2
Current: €30,869 EUR|Low: €19,347 EUR|High: €32,600 EUR|Avg: €24,358 EUR|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6€19,347 EUR
Retailer 5€19,715 EUR
Retailer 10€21,110 EUR
Retailer 3€22,745 EUR
Retailer 4€22,786 EUR
Retailer 9€23,219 EUR
Retailer 7€23,509 EUR
Retailer 2€27,130 EUR
Retailer 8€27,851 EUR
MOH London€30,869 EUR

28 data points across 10 retailers

7 retailers€19,347 EUR to €30,869 EUR

A
Cheapest Retailer
-
€19,347 EUR
$21,700 USD
A
Retailer 2
-
€19,715 EUR
$22,112 USD
View
B+
Retailer 3
-
€22,745 EUR
£20,087 GBP
View
Retailer 4
-
€22,786 EUR
$25,557 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€23,509 EUR
$26,368 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
€27,851 EUR
$31,238 USD
View
Most Expensive
B
MOH London
0872B4462 · Oct 29
€30,869 EUR
£27,262 GBP
View
6 more retailers have this diamond
Prices start from €19,347 EURSave up to €11,522 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
€19,347 EUR