Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6555007631

Certificate GIA 6555007631

Diamond specifications and retailer prices

From $6,614 CAD
As of November 4, 2026
Save $8,451 CAD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,409 CAD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555007631. Listed at 15 retailers as of November 4, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555007631
Dimensions8.56 × 8.63 × 5.40 mm
L/W Ratio1.01
Top View
8.56 mm8.63 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555007631
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $15,065 CAD|Low: $6,614 CAD|High: $16,409 CAD|Avg: $10,188 CAD|-8.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$6,614 CAD
Retailer 2$8,613 CAD
Retailer 3$9,008 CAD
Retailer 7$9,008 CAD
Retailer 6$9,442 CAD
Retailer 5$9,945 CAD
NZ Jewellers$15,065 CAD

38 data points across 7 retailers

15 retailers$6,614 CAD to $15,065 CAD

A
Cheapest Retailer
-
$6,614 CAD
A
Retailer 2
-
$8,613 CAD
View
A
Retailer 3
-
$9,008 CAD
View
A
Retailer 4
-
$9,008 CAD
View
Retailer 5
-
$9,141 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$9,442 CAD
View
A
Retailer 7
-
$9,539 CAD
View
Retailer 8
-
$9,543 CAD
View
Price last confirmed 30 days ago
Retailer 9
-
$9,677 CAD
View
Price last confirmed 38 days ago
Retailer 10
-
$9,825 CAD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$9,945 CAD
View
B
Retailer 12
-
$15,065 CAD
View
Retailer 13
-
$15,289 CAD
View
Price last confirmed 10 days ago
Retailer 14
-
$15,960 CAD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
644459cf-54cd-4e96-a75e-ebeba0d45fb3 · Sep 27
$16,409 CAD
$11,749 USD
View
Price last confirmed 40 days ago
14 more retailers have this diamond
Prices start from $6,614 CADSave up to $8,451 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
$6,614 CAD