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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 $32,978 CAD
$23,608 USD
As of October 30, 2026
Save $17,109 CAD (34%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $50,087 CAD 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 October 30, 2026, with prices from $32,978 to $50,087, a $17,109 spread on the same certified stone. Cape Diamonds lists it at $50,087. 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: Oct 30
Current: $50,087 CAD|Low: $30,145 CAD|High: $50,087 CAD|Avg: $38,194 CAD|+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 1, 2026
Retailer 6$30,145 CAD
Retailer 8$32,978 CAD
Retailer 10$35,258 CAD
Retailer 5$36,243 CAD
Retailer 7$37,082 CAD
Retailer 12$37,239 CAD
Retailer 3$38,415 CAD
Retailer 11$38,415 CAD
Retailer 4$39,686 CAD
Retailer 2$41,220 CAD
Retailer 9$41,601 CAD
Cape Diamonds$50,087 CAD

43 data points across 12 retailers

12 retailers$32,978 CAD to $50,087 CAD

Retailer 1
-
$30,145 CAD
$21,580 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$32,978 CAD
$23,608 USD
View
B
Retailer 3
-
$35,258 CAD
$25,240 USD
View
B+
Retailer 4
-
$36,243 CAD
£20,429 GBP
View
B+
Retailer 5
-
$37,082 CAD
$26,546 USD
View
B
Retailer 6
-
$37,239 CAD
$26,658 USD
View
B
Retailer 7
-
$38,415 CAD
$27,500 USD
View
B
Retailer 8
-
$38,415 CAD
$27,500 USD
View
B
Retailer 9
-
$39,686 CAD
$28,410 USD
View
B
Retailer 10
-
$41,220 CAD
€28,103 EUR
View
B
Retailer 11
-
$41,601 CAD
$29,781 USD
View
Most Expensive
B
Cape Diamonds
cert_2235674968 · Nov 1
$50,087 CAD
ZAR 579,252 ZAR
View
11 more retailers have this diamond
Prices start from $32,978 CADSave up to $17,109 CAD

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
$32,978 CAD