Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6541403286

Certificate GIA 6541403286

Diamond specifications and retailer prices

From $3,417 USD
As of November 6, 2026
Save $3,921 USD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,338 USD 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 $3,417 to $7,338, a $3,921 spread on the same certified stone. MOH London lists it at $7,338. 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: $7,338 USD|Low: $3,392 USD|High: $8,004 USD|Avg: $4,775 USD|-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$3,417 USD
Retailer 9$3,547 USD
Retailer 7$3,579 USD
Retailer 8$4,441 USD
Retailer 2$4,519 USD
Retailer 6$4,710 USD
Retailer 11$4,710 USD
Retailer 4$4,781 USD
Retailer 3$4,870 USD
Retailer 10$5,223 USD
MOH London$7,338 USD

41 data points across 11 retailers

11 retailers$3,417 USD to $7,338 USD

A
Cheapest Retailer
-
$3,417 USD
A
Retailer 2
-
$3,547 USD
View
A
Retailer 3
-
$3,579 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,441 USD
View
B+
Retailer 5
-
$4,519 USD
View
B+
Retailer 6
-
$4,710 USD
View
B+
Retailer 7
-
$4,710 USD
View
B+
Retailer 8
-
$4,781 USD
View
B+
Retailer 9
-
$4,870 USD
View
Retailer 10
-
$5,223 USD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
1DB12624A · Nov 4
$7,338 USD
£5,778 GBP
View
10 more retailers have this diamond
Prices start from $3,417 USDSave up to $3,921 USD

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
$3,417 USD