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Round|Natural|GIA

5.25ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5232988312

Certificate GIA 5232988312

Diamond specifications and retailer prices

From $227,948 NZD
$128,255 USD
As of November 2, 2026
Save $144,082 NZD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $372,029 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 5.25ct natural round diamond

This 5.25ct natural round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5232988312. Listed at 7 retailers as of November 2, 2026, with prices from $227,948 to $372,029, a $144,082 spread on the same certified stone. MOH London lists it at $372,029. 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

5.25
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5232988312
Dimensions11.41 × 11.49 × 6.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Pinpoint, Cloud, Natural
Top View
11.41 mm11.49 mm5.25 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232988312
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41.6°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $372,029 NZD|Low: $227,948 NZD|High: $414,857 NZD|Avg: $283,649 NZD|-9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$227,948 NZD
Retailer 7$229,233 NZD
Retailer 3$234,482 NZD
Retailer 2$246,457 NZD
Retailer 5$248,136 NZD
Retailer 4$287,951 NZD
MOH London$372,029 NZD

21 data points across 7 retailers

7 retailers$227,948 NZD to $372,029 NZD

B+
Cheapest Retailer
-
$227,948 NZD
$128,255 USD
B+
Retailer 2
-
$229,233 NZD
$128,978 USD
View
B+
Retailer 3
-
$234,482 NZD
£103,883 GBP
View
B
Retailer 4
-
$246,457 NZD
$138,669 USD
View
B+
Retailer 5
-
$248,136 NZD
$139,614 USD
View
B
Retailer 6
-
$287,951 NZD
€154,301 EUR
View
Most Expensive
B
MOH London
1B5348C6A · Nov 2
$372,029 NZD
£164,821 GBP
View
6 more retailers have this diamond
Prices start from $227,948 NZDSave up to $144,082 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.

B+
5.25ct Round
$227,948 NZD