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Round|Natural|GIA

1.25ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2554968005

Certificate GIA 2554968005

Diamond specifications and retailer prices

From $3,657 CAD
A$4,028 AUD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: $8,162 CAD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554968005. Listed at 4 retailers as of October 31, 2026. 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

1.25
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554968005
Dimensions6.85 × 6.81 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.85 mm6.81 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554968005
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,819 CAD|Low: $2,914 CAD|High: $6,961 CAD|Avg: $3,908 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 5, 2026
Retailer 6$2,914 CAD
Retailer 11$2,999 CAD
Retailer 12$3,038 CAD
Retailer 2$3,072 CAD
Retailer 15$3,362 CAD
Retailer 3$3,492 CAD
Retailer 4$3,657 CAD
Retailer 10$3,658 CAD
Retailer 5$3,924 CAD
Retailer 7$3,969 CAD
Retailer 9$4,609 CAD
Retailer 8$4,652 CAD
Retailer 1$4,819 CAD
Retailer 14$5,768 CAD
Retailer 13$6,914 CAD

14 data points across 15 retailers

4 retailers

Retailer 1
-
$2,914 CAD
HK$16,300 HKD
Price last confirmed 55 days ago
Retailer 2
-
$3,492 CAD
$2,500 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$3,657 CAD
A$4,028 AUD
View
Most Expensive
NZ Jewellers
546606c2-452f-4145-b796-905409c33598 · Sep 24
$8,162 CAD
$5,843 USD
View
Price last confirmed 36 days ago
3 more retailers have this diamond
Prices start from $3,657 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
1.25ct Round
$3,657 CAD