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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557996049

Certificate GIA 2557996049

Diamond specifications and retailer prices

From $5,275 NZD
As of November 5, 2026
Save $5,076 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,351 NZD at NZ Jewellers · As of November 5, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557996049. Listed at 12 retailers as of November 5, 2026, with prices from $5,275 to $10,351, a $5,076 spread on the same certified stone. NZ Jewellers lists it at $10,351. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557996049
Dimensions6.85 × 6.87 × 4.29 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.85 mm6.87 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557996049
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41°Culet: NoneDepth 62.5%

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 5
Current: $10,351 NZD|Low: $5,275 NZD|High: $10,636 NZD|Avg: $6,728 NZD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$5,275 NZD
Retailer 2$5,370 NZD
Retailer 3$5,484 NZD
Retailer 10$5,940 NZD
Retailer 12$5,940 NZD
Retailer 6$6,113 NZD
Retailer 11$6,169 NZD
Retailer 9$6,200 NZD
Retailer 4$6,855 NZD
Retailer 5$6,902 NZD
Retailer 8$9,934 NZD
NZ Jewellers$10,351 NZD

26 data points across 12 retailers

12 retailers$5,275 NZD to $10,351 NZD

A
Cheapest Retailer
-
$5,275 NZD
A
Retailer 2
-
$5,370 NZD
View
A
Retailer 3
-
$5,484 NZD
View
Final sale: no returns
Retailer 4
-
$5,940 NZD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$5,940 NZD
View
A
Retailer 6
-
$6,113 NZD
View
A
Retailer 7
-
$6,169 NZD
View
A
Retailer 8
-
$6,200 NZD
View
A
Retailer 9
-
$6,855 NZD
View
A
Retailer 10
-
$6,902 NZD
View
B
Retailer 11
-
$9,934 NZD
View
Most Expensive
B+
NZ Jewellers
d46dfae0-3da0-490c-967b-76fb01cffe9e · Nov 5
$10,351 NZD
$5,738 USD
View
11 more retailers have this diamond
Prices start from $5,275 NZDSave up to $5,076 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
$5,275 NZD