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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2544271085

Certificate GIA 2544271085

Diamond specifications and retailer prices

From €15,590 EUR
$17,417 USD
As of November 2, 2026
Save €19,542 EUR (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €35,132 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 2544271085. Listed at 17 retailers as of November 1, 2026, with prices from €15,590 to €35,132, a €19,542 spread on the same certified stone. MOH London lists it at €35,132. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544271085
Dimensions8.59 × 8.65 × 5.40 mm
L/W Ratio1.01
Top View
8.59 mm8.65 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544271085
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 2
Current: €35,132 EUR|Low: €14,782 EUR|High: €35,556 EUR|Avg: €24,419 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
Retailer 13
Retailer 14
November 2, 2026
Retailer 2€15,590 EUR
Retailer 3€19,459 EUR
Retailer 6€20,427 EUR
Retailer 5€21,557 EUR
Retailer 13€22,495 EUR
Retailer 8€22,693 EUR
Retailer 4€23,030 EUR
Retailer 12€23,620 EUR
Retailer 11€24,370 EUR
Retailer 7€25,167 EUR
Retailer 9€27,173 EUR
Retailer 10€31,106 EUR
Retailer 14€31,868 EUR
MOH London€35,132 EUR

32 data points across 14 retailers

17 retailers€15,590 EUR to €35,132 EUR

B
Cheapest Retailer
-
€15,590 EUR
$17,417 USD
B+
Retailer 2
-
€19,459 EUR
$21,740 USD
View
B+
Retailer 3
-
€20,427 EUR
$22,821 USD
View
B+
Retailer 4
-
€20,481 EUR
$22,881 USD
View
B+
Retailer 5
-
€21,557 EUR
$24,084 USD
View
Final sale: no returns
B+
Retailer 6
-
€21,903 EUR
$24,470 USD
View
B
Retailer 7
-
€22,495 EUR
$25,132 USD
View
B+
Retailer 8
-
€22,693 EUR
£19,963 GBP
View
B
Retailer 9
-
€23,030 EUR
$25,729 USD
View
B
Retailer 10
-
€23,620 EUR
$26,388 USD
View
B
Retailer 11
-
€24,045 EUR
$26,863 USD
View
B
Retailer 12
-
€24,370 EUR
$27,226 USD
View
B+
Retailer 13
-
€25,167 EUR
£22,139 GBP
View
B
Retailer 14
-
€27,173 EUR
View
B
Retailer 15
-
€31,106 EUR
ZAR 561,411 ZAR
View
B
Retailer 16
-
€31,868 EUR
$35,603 USD
View
Most Expensive
B
MOH London
374279A59 · Nov 1
€35,132 EUR
£30,905 GBP
View
16 more retailers have this diamond
Prices start from €15,590 EURSave up to €19,542 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
€15,590 EUR