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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552067400

Certificate GIA 6552067400

Diamond specifications and retailer prices

From €22,473 EUR
$25,107 USD
As of November 1, 2026
Save €16,078 EUR (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €38,551 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552067400. Listed at 15 retailers as of November 1, 2026, with prices from €22,473 to €38,551, a €16,078 spread on the same certified stone. MOH London lists it at €38,551. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552067400
Dimensions8.64 × 8.69 × 5.41 mm
L/W Ratio1.01
Star length50%
Top View
8.64 mm8.69 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552067400
Side View
Table 58.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €38,551 EUR|Low: €22,473 EUR|High: €39,015 EUR|Avg: €27,791 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7€22,473 EUR
Retailer 8€24,011 EUR
Retailer 4€24,684 EUR
Retailer 9€24,866 EUR
Retailer 2€24,912 EUR
Retailer 11€25,712 EUR
Retailer 10€25,918 EUR
Retailer 12€26,741 EUR
Retailer 3€27,769 EUR
Retailer 5€29,817 EUR
Retailer 6€34,132 EUR
MOH London€38,551 EUR

40 data points across 12 retailers

15 retailers€22,473 EUR to €38,551 EUR

B+
Cheapest Retailer
-
€22,473 EUR
$25,107 USD
B+
Retailer 2
-
€23,249 EUR
CA$36,075 CAD
View
B+
Retailer 3
-
€24,011 EUR
$26,825 USD
View
B+
Retailer 4
-
€24,684 EUR
$27,577 USD
View
Retailer 5
-
€24,866 EUR
A$42,738 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
€24,912 EUR
£21,915 GBP
View
B
Retailer 7
-
€25,712 EUR
$28,726 USD
View
B
Retailer 8
-
€25,918 EUR
$28,956 USD
View
B
Retailer 9
-
€26,741 EUR
$29,875 USD
View
B
Retailer 10
-
€27,085 EUR
$30,259 USD
View
B
Retailer 11
-
€27,769 EUR
$31,024 USD
View
B
Retailer 12
-
€28,831 EUR
$32,210 USD
View
B
Retailer 13
-
€29,817 EUR
View
B
Retailer 14
-
€34,132 EUR
ZAR 616,039 ZAR
View
Most Expensive
B
MOH London
84B63B2F4 · Nov 1
€38,551 EUR
£33,913 GBP
View
14 more retailers have this diamond
Prices start from €22,473 EURSave up to €16,078 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
€22,473 EUR