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Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2235674968

Certificate GIA 2235674968

Diamond specifications and retailer prices

From €19,316 EUR
$21,580 USD
As of November 1, 2026
Save €12,778 EUR (40%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €32,094 EUR at Cape Diamonds · As of November 1, 2026
View at Cape Diamonds

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 2235674968. Listed at 12 retailers as of November 1, 2026, with prices from €19,316 to €32,094, a €12,778 spread on the same certified stone. Cape Diamonds lists it at €32,094. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235674968
Dimensions8.61 × 8.65 × 5.41 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.61 mm8.65 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235674968
Side View
Table 56.0%Crown 35.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: €32,094 EUR|Low: €19,316 EUR|High: €32,094 EUR|Avg: €24,479 EUR|+2.1%
Cape Diamonds
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 6€19,316 EUR
Retailer 8€21,131 EUR
Retailer 10€22,592 EUR
Retailer 2€23,418 EUR
Retailer 7€23,761 EUR
Retailer 12€23,861 EUR
Retailer 3€24,615 EUR
Retailer 11€24,615 EUR
Retailer 4€25,430 EUR
Retailer 5€26,412 EUR
Retailer 9€26,657 EUR
Cape Diamonds€32,094 EUR

43 data points across 12 retailers

12 retailers€19,316 EUR to €32,094 EUR

B+
Cheapest Retailer
-
€19,316 EUR
$21,580 USD
B+
Retailer 2
-
€21,131 EUR
$23,608 USD
View
B
Retailer 3
-
€22,592 EUR
$25,240 USD
View
B+
Retailer 4
-
€23,418 EUR
£20,600 GBP
View
B+
Retailer 5
-
€23,761 EUR
$26,546 USD
View
B
Retailer 6
-
€23,861 EUR
$26,658 USD
View
B
Retailer 7
-
€24,615 EUR
$27,500 USD
View
B
Retailer 8
-
€24,615 EUR
$27,500 USD
View
B
Retailer 9
-
€25,430 EUR
$28,410 USD
View
B
Retailer 10
-
€26,412 EUR
View
B
Retailer 11
-
€26,657 EUR
$29,781 USD
View
Most Expensive
B
Cape Diamonds
cert_2235674968 · Nov 1
€32,094 EUR
ZAR 579,252 ZAR
View
11 more retailers have this diamond
Prices start from €19,316 EURSave up to €12,778 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
€19,316 EUR