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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 $118,959 CAD
£67,055 GBP
As of October 30, 2026
Save $68,849 CAD (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $187,808 CAD at MOH London · As of October 29, 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 October 29, 2026, with prices from $118,959 to $187,808, a $68,849 spread on the same certified stone. MOH London lists it at $187,808. 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
Color
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: Oct 30
Current: $187,808 CAD|Low: $118,241 CAD|High: $189,058 CAD|Avg: $138,118 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$118,959 CAD
Retailer 10$121,026 CAD
Retailer 5$124,596 CAD
Retailer 2$126,614 CAD
Retailer 9$132,029 CAD
Retailer 3$135,521 CAD
Retailer 8$137,532 CAD
Retailer 7$143,033 CAD
Retailer 6$148,534 CAD
MOH London$187,808 CAD

15 data points across 10 retailers

10 retailers$118,959 CAD to $187,808 CAD

A
Cheapest Retailer
-
$118,959 CAD
£67,055 GBP
A
Retailer 2
-
$121,026 CAD
$86,639 USD
View
Final sale: no returns
A
Retailer 3
-
$124,596 CAD
$89,195 USD
View
A
Retailer 4
-
$126,614 CAD
£71,370 GBP
View
A
Retailer 5
-
$132,029 CAD
$94,516 USD
View
A
Retailer 6
-
$135,521 CAD
€92,396 EUR
View
B+
Retailer 7
-
$137,532 CAD
$98,455 USD
View
B+
Retailer 8
-
$143,033 CAD
$102,393 USD
View
B+
Retailer 9
-
$148,534 CAD
$106,331 USD
View
Most Expensive
B+
MOH London
8CF8E73CA · Oct 29
$187,808 CAD
£105,863 GBP
View
9 more retailers have this diamond
Prices start from $118,959 CADSave up to $68,849 CAD

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
$118,959 CAD