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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6541403286

Certificate GIA 6541403286

Diamond specifications and retailer prices

From $4,806 CAD
As of November 6, 2026
Save $5,515 CAD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,322 CAD at MOH London · As of November 4, 2026
View at MOH London

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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541403286. Listed at 11 retailers as of November 4, 2026, with prices from $4,806 to $10,322, a $5,515 spread on the same certified stone. MOH London lists it at $10,322. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6541403286
Dimensions6.92 × 6.95 × 4.27 mm
L/W Ratio1.00
Top View
6.92 mm6.95 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541403286
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $10,322 CAD|Low: $4,771 CAD|High: $11,258 CAD|Avg: $6,716 CAD|-7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$4,806 CAD
Retailer 9$4,989 CAD
Retailer 7$5,034 CAD
Retailer 8$6,247 CAD
Retailer 2$6,356 CAD
Retailer 6$6,625 CAD
Retailer 11$6,625 CAD
Retailer 4$6,725 CAD
Retailer 3$6,850 CAD
Retailer 10$7,347 CAD
MOH London$10,322 CAD

41 data points across 11 retailers

11 retailers$4,806 CAD to $10,322 CAD

A
Cheapest Retailer
-
$4,806 CAD
A
Retailer 2
-
$4,989 CAD
View
A
Retailer 3
-
$5,034 CAD
View
Final sale: no returns
B+
Retailer 4
-
$6,247 CAD
View
B+
Retailer 5
-
$6,356 CAD
View
B+
Retailer 6
-
$6,625 CAD
View
B+
Retailer 7
-
$6,625 CAD
View
B+
Retailer 8
-
$6,725 CAD
View
B+
Retailer 9
-
$6,850 CAD
View
Retailer 10
-
$7,347 CAD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
1DB12624A · Nov 4
$10,322 CAD
£5,778 GBP
View
10 more retailers have this diamond
Prices start from $4,806 CADSave up to $5,515 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
$4,806 CAD