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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 €19,240 EUR
$21,580 USD
As of November 1, 2026
Save €12,728 EUR (40%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €31,968 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 €19,240 to €31,968, a €12,728 spread on the same certified stone. Cape Diamonds lists it at €31,968. 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 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: €31,968 EUR|Low: €19,240 EUR|High: €31,968 EUR|Avg: €24,383 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€19,240 EUR
Retailer 8€21,048 EUR
Retailer 10€22,503 EUR
Retailer 2€23,326 EUR
Retailer 7€23,668 EUR
Retailer 12€23,768 EUR
Retailer 3€24,518 EUR
Retailer 11€24,518 EUR
Retailer 4€25,330 EUR
Retailer 5€26,309 EUR
Retailer 9€26,552 EUR
Cape Diamonds€31,968 EUR

43 data points across 12 retailers

12 retailers€19,240 EUR to €31,968 EUR

B+
Cheapest Retailer
-
€19,240 EUR
$21,580 USD
B+
Retailer 2
-
€21,048 EUR
$23,608 USD
View
B
Retailer 3
-
€22,503 EUR
$25,240 USD
View
B+
Retailer 4
-
€23,326 EUR
£20,600 GBP
View
B+
Retailer 5
-
€23,668 EUR
$26,546 USD
View
B
Retailer 6
-
€23,768 EUR
$26,658 USD
View
B
Retailer 7
-
€24,518 EUR
$27,500 USD
View
B
Retailer 8
-
€24,518 EUR
$27,500 USD
View
B
Retailer 9
-
€25,330 EUR
$28,410 USD
View
B
Retailer 10
-
€26,309 EUR
View
B
Retailer 11
-
€26,552 EUR
$29,781 USD
View
Most Expensive
B
Cape Diamonds
cert_2235674968 · Nov 1
€31,968 EUR
ZAR 579,252 ZAR
View
11 more retailers have this diamond
Prices start from €19,240 EURSave up to €12,728 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
€19,240 EUR