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Round|Natural|GIA

5.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1565178921

Certificate GIA 1565178921

Diamond specifications and retailer prices

From £63,557 GBP
As of November 1, 2026
Save £36,249 GBP (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £99,807 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.05ct natural round diamond

This 5.05ct natural round sits in the over five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565178921. Listed at 10 retailers as of November 1, 2026, with prices from £63,557 to £99,807, a £36,249 spread on the same certified stone. MOH London lists it at £99,807. 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

5.05
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565178921
Dimensions10.93 × 11.02 × 6.79 mm
L/W Ratio1.01
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.93 mm11.02 mm5.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565178921
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 1
Current: £99,807 GBP|Low: £63,029 GBP|High: £101,009 GBP|Avg: £73,745 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£63,557 GBP
Retailer 10£64,661 GBP
Retailer 5£66,569 GBP
Retailer 3£67,445 GBP
Retailer 9£70,540 GBP
Retailer 2£71,898 GBP
Retailer 8£73,480 GBP
Retailer 7£76,419 GBP
Retailer 6£79,358 GBP
MOH London£99,807 GBP

17 data points across 10 retailers

10 retailers£63,557 GBP to £99,807 GBP

A
Cheapest Retailer
-
£63,557 GBP
A
Retailer 2
-
£64,661 GBP
$86,639 USD
View
Final sale: no returns
A
Retailer 3
-
£66,569 GBP
$89,195 USD
View
A
Retailer 4
-
£67,445 GBP
View
Retailer 5
-
£70,540 GBP
$94,516 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£71,898 GBP
€91,748 EUR
View
B+
Retailer 7
-
£73,480 GBP
$98,455 USD
View
B+
Retailer 8
-
£76,419 GBP
$102,393 USD
View
B+
Retailer 9
-
£79,358 GBP
$106,331 USD
View
Most Expensive
B+
MOH London
8CF8E73CA · Nov 1
£99,807 GBP
View
9 more retailers have this diamond
Prices start from £63,557 GBPSave up to £36,249 GBP

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
5.05ct Round
£63,557 GBP