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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2195428383

Certificate GIA 2195428383

Diamond specifications and retailer prices

From $26,998 CAD
$19,290 USD
As of October 25, 2026
Save $21,373 CAD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $48,371 CAD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2195428383. Listed at 17 retailers as of October 25, 2026, with prices from $26,998 to $48,371, a $21,373 spread on the same certified stone. MOH London lists it at $48,371. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2195428383
Dimensions8.67 × 8.61 × 5.37 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
8.67 mm8.61 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2195428383
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $48,371 CAD|Low: $26,998 CAD|High: $48,694 CAD|Avg: $33,395 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$26,998 CAD
Retailer 4$28,676 CAD
Retailer 6$29,523 CAD
Retailer 2$31,057 CAD
Retailer 3$36,165 CAD
MOH London$48,371 CAD

38 data points across 6 retailers

17 retailers$26,998 CAD to $48,371 CAD

A
Cheapest Retailer
-
$26,998 CAD
$19,290 USD
B+
Retailer 2
-
$28,278 CAD
$20,204 USD
View
B+
Retailer 3
-
$28,322 CAD
$20,236 USD
View
B+
Retailer 4
-
$28,676 CAD
₹1,951,292 INR
View
B+
Retailer 5
-
$29,523 CAD
$21,094 USD
View
Final sale: no returns
B+
Retailer 6
-
$30,808 CAD
$22,012 USD
View
B+
Retailer 7
-
$31,057 CAD
£17,472 GBP
View
B+
Retailer 8
-
$32,348 CAD
$23,112 USD
View
B+
Retailer 9
-
$32,835 CAD
$23,460 USD
View
B+
Retailer 10
-
$32,835 CAD
$23,460 USD
View
B
Retailer 11
-
$32,923 CAD
$23,523 USD
View
B
Retailer 12
-
$33,375 CAD
$23,846 USD
View
B
Retailer 13
-
$33,926 CAD
$24,240 USD
View
B
Retailer 14
-
$34,658 CAD
$24,763 USD
View
B+
Retailer 15
-
$36,165 CAD
€24,609 EUR
View
B
Retailer 16
-
$43,644 CAD
$31,183 USD
View
Most Expensive
B
MOH London
5797D3460 · Oct 29
$48,371 CAD
£27,213 GBP
View
16 more retailers have this diamond
Prices start from $26,998 CADSave up to $21,373 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.

A
2.51ct Round
$26,998 CAD