Round|Natural|GIA

5.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1565178921

Certificate GIA 1565178921

Diamond specifications and retailer prices

From HK$668,138 HKD
£67,055 GBP
As of November 2, 2026
Save HK$381,065 HKD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$1,049,203 HKD 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 HK$668,138 to HK$1,049,203, a HK$381,065 spread on the same certified stone. MOH London lists it at HK$1,049,203. 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 2
Current: HK$1,049,203 HKD|Low: HK$662,587 HKD|High: HK$1,061,848 HKD|Avg: HK$775,003 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3HK$668,138 HKD
Retailer 10HK$679,744 HKD
Retailer 5HK$699,797 HKD
Retailer 2HK$708,953 HKD
Retailer 9HK$741,544 HKD
Retailer 4HK$755,819 HKD
Retailer 8HK$772,448 HKD
Retailer 7HK$803,345 HKD
Retailer 6HK$834,241 HKD
MOH LondonHK$1,049,203 HKD

18 data points across 10 retailers

10 retailersHK$668,138 HKD to HK$1,049,203 HKD

A
Cheapest Retailer
-
HK$668,138 HKD
£67,055 GBP
A
Retailer 2
-
HK$679,744 HKD
$86,639 USD
View
Final sale: no returns
A
Retailer 3
-
HK$699,797 HKD
$89,195 USD
View
A
Retailer 4
-
HK$708,953 HKD
£71,151 GBP
View
Retailer 5
-
HK$741,544 HKD
$94,516 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$755,819 HKD
€91,748 EUR
View
B+
Retailer 7
-
HK$772,448 HKD
$98,455 USD
View
B+
Retailer 8
-
HK$803,345 HKD
$102,393 USD
View
B+
Retailer 9
-
HK$834,241 HKD
$106,331 USD
View
Most Expensive
B+
MOH London
8CF8E73CA · Nov 1
HK$1,049,203 HKD
£105,299 GBP
View
9 more retailers have this diamond
Prices start from HK$668,138 HKDSave up to HK$381,065 HKD

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
HK$668,138 HKD