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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 $6,164 NZD
As of November 6, 2026
Save $7,073 NZD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,237 NZD 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 $6,164 to $13,237, a $7,073 spread on the same certified stone. MOH London lists it at $13,237. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $13,237 NZD|Low: $6,119 NZD|High: $14,438 NZD|Avg: $8,605 NZD|-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$6,164 NZD
Retailer 9$6,398 NZD
Retailer 7$6,456 NZD
Retailer 8$8,011 NZD
Retailer 2$8,152 NZD
Retailer 6$8,496 NZD
Retailer 11$8,496 NZD
Retailer 4$8,624 NZD
Retailer 3$8,785 NZD
Retailer 10$9,422 NZD
MOH London$13,237 NZD

40 data points across 11 retailers

11 retailers$6,164 NZD to $13,237 NZD

A
Cheapest Retailer
-
$6,164 NZD
A
Retailer 2
-
$6,398 NZD
View
A
Retailer 3
-
$6,456 NZD
View
Final sale: no returns
B+
Retailer 4
-
$8,011 NZD
View
B+
Retailer 5
-
$8,152 NZD
View
B+
Retailer 6
-
$8,496 NZD
View
B+
Retailer 7
-
$8,496 NZD
View
B+
Retailer 8
-
$8,624 NZD
View
B+
Retailer 9
-
$8,785 NZD
View
Retailer 10
-
$9,422 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
1DB12624A · Nov 4
$13,237 NZD
£5,778 GBP
View
10 more retailers have this diamond
Prices start from $6,164 NZDSave up to $7,073 NZD

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
$6,164 NZD