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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6535368098

Certificate GIA 6535368098

Diamond specifications and retailer prices

From €19,943 EUR
$22,280 USD
As of November 1, 2026
Save €15,736 EUR (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €35,678 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 6535368098. Listed at 13 retailers as of November 1, 2026, with prices from €19,943 to €35,678, a €15,736 spread on the same certified stone. MOH London lists it at €35,678. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6535368098
Dimensions8.63 × 8.59 × 5.44 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535368098
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

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: €35,678 EUR|Low: €19,943 EUR|High: €36,108 EUR|Avg: €24,981 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4€19,943 EUR
Retailer 5€21,892 EUR
Retailer 10€22,844 EUR
Retailer 3€23,084 EUR
Retailer 7€23,797 EUR
Retailer 6€23,987 EUR
Retailer 8€24,748 EUR
Retailer 9€25,700 EUR
Retailer 2€26,926 EUR
MOH London€35,678 EUR

39 data points across 10 retailers

13 retailers€19,943 EUR to €35,678 EUR

B+
Cheapest Retailer
-
€19,943 EUR
$22,280 USD
B+
Retailer 2
-
€21,006 EUR
$23,468 USD
View
B
Retailer 3
-
€21,892 EUR
$24,458 USD
View
Final sale: no returns
B+
Retailer 4
-
€23,084 EUR
£20,307 GBP
View
B+
Retailer 5
-
€23,797 EUR
$26,586 USD
View
B
Retailer 6
-
€23,987 EUR
$26,798 USD
View
B
Retailer 7
-
€24,481 EUR
$27,350 USD
View
B
Retailer 8
-
€24,481 EUR
$27,350 USD
View
B
Retailer 9
-
€24,748 EUR
$27,649 USD
View
B
Retailer 10
-
€25,295 EUR
$28,260 USD
View
B
Retailer 11
-
€25,700 EUR
$28,712 USD
View
B
Retailer 12
-
€26,926 EUR
View
Most Expensive
B
MOH London
2C311C6B1 · Nov 1
€35,678 EUR
£31,386 GBP
View
12 more retailers have this diamond
Prices start from €19,943 EURSave up to €15,736 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
€19,943 EUR