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Round|Natural|GIA

2.51ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6541169391

Certificate GIA 6541169391

Diamond specifications and retailer prices

From €31,314 EUR
£27,547 GBP
As of October 27, 2026
12 retailers carry this diamond
Most expensive: €45,009 EUR at MOH London · As of October 8, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541169391. Listed at 12 retailers as of October 27, 2026. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6541169391
Dimensions8.61 × 8.66 × 5.42 mm
L/W Ratio1.01
Top View
8.61 mm8.66 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541169391
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: €45,009 EUR|Low: €27,739 EUR|High: €45,128 EUR|Avg: €31,884 EUR|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 27, 2026
Retailer 6€27,739 EUR
Retailer 9€28,511 EUR
Retailer 4€28,552 EUR
Retailer 12€28,996 EUR
Retailer 14€29,741 EUR
Retailer 11€29,979 EUR
Retailer 5€30,527 EUR
Retailer 3€30,931 EUR
Retailer 2€31,314 EUR
Retailer 8€31,789 EUR
Retailer 13€32,120 EUR
Retailer 7€34,455 EUR
Retailer 10€38,747 EUR
MOH London€45,009 EUR

35 data points across 14 retailers

12 retailers

Retailer 1
-
€25,994 EUR
$29,041 USD
Price last confirmed 27 days ago
Retailer 2
-
€28,511 EUR
A$49,005 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
€28,996 EUR
$32,394 USD
View
Price last confirmed 26 days ago
Retailer 4
-
€29,741 EUR
$33,227 USD
View
Price last confirmed 65 days ago
Retailer 5
-
€29,741 EUR
$33,227 USD
View
Price last confirmed 35 days ago
Retailer 6
-
€29,979 EUR
$33,493 USD
View
Price last confirmed 33 days ago
Retailer 7
-
€30,527 EUR
$34,105 USD
View
Price last confirmed 26 days ago
Retailer 8
-
€30,931 EUR
$34,556 USD
View
Price last confirmed 25 days ago
B
Retailer 9
-
€31,314 EUR
£27,547 GBP
View
Retailer 10
-
€32,120 EUR
$35,885 USD
View
Price last confirmed 33 days ago
Retailer 11
-
€38,747 EUR
ZAR 699,320 ZAR
View
Price last confirmed 32 days ago
Most Expensive
MOH London
683702276 · Oct 8
€45,009 EUR
£39,594 GBP
View
Price last confirmed 25 days ago
11 more retailers have this diamond
Prices start from €31,314 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.

B
2.51ct Round
€31,314 EUR