Round|Natural|GIA

5.25ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5232988312

Certificate GIA 5232988312

Diamond specifications and retailer prices

From $128,255 USD
As of November 2, 2026
Save $81,068 USD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $209,323 USD 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 $128,255 to $209,323, a $81,068 spread on the same certified stone. MOH London lists it at $209,323. 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
Color
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: $209,323 USD|Low: $128,255 USD|High: $233,420 USD|Avg: $159,780 USD|-9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$128,255 USD
Retailer 6$128,978 USD
Retailer 3$131,932 USD
Retailer 4$139,614 USD
Retailer 7$153,014 USD
Retailer 2$162,016 USD
MOH London$209,323 USD

21 data points across 7 retailers

7 retailers$128,255 USD to $209,323 USD

B+
Cheapest Retailer
-
$128,255 USD
B+
Retailer 2
-
$128,978 USD
View
B+
Retailer 3
-
$131,932 USD
£103,883 GBP
View
B+
Retailer 4
-
$139,614 USD
View
B
Retailer 5
-
$153,014 USD
View
B
Retailer 6
-
$162,016 USD
€154,301 EUR
View
Most Expensive
B
MOH London
1B5348C6A · Nov 2
$209,323 USD
£164,821 GBP
View
6 more retailers have this diamond
Prices start from $128,255 USDSave up to $81,068 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.

B+
5.25ct Round
$128,255 USD