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1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6562078809

Certificate GIA 6562078809

Diamond specifications and retailer prices

From $4,456 NZD
As of November 6, 2026
Save $5,622 NZD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,078 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562078809. Listed at 7 retailers as of November 4, 2026, with prices from $4,456 to $10,078, a $5,622 spread on the same certified stone. MOH London lists it at $10,078. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562078809
Dimensions6.47 × 6.52 × 4.04 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle
Top View
6.47 mm6.52 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562078809
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

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 6
Current: $10,078 NZD|Low: $4,456 NZD|High: $10,513 NZD|Avg: $6,446 NZD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$4,456 NZD
Retailer 5$5,159 NZD
Retailer 7$5,444 NZD
Retailer 3$5,781 NZD
Retailer 4$6,204 NZD
Retailer 2$6,866 NZD
MOH London$10,078 NZD

24 data points across 7 retailers

7 retailers$4,456 NZD to $10,078 NZD

A
Cheapest Retailer
-
$4,456 NZD
A
Retailer 2
-
$5,159 NZD
View
B+
Retailer 3
-
$5,444 NZD
View
B+
Retailer 4
-
$5,781 NZD
View
B+
Retailer 5
-
$6,204 NZD
View
B+
Retailer 6
-
$6,866 NZD
View
Most Expensive
B
MOH London
C91420AD3 · Nov 4
$10,078 NZD
£4,399 GBP
View
6 more retailers have this diamond
Prices start from $4,456 NZDSave up to $5,622 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.

A
1.05ct Round
$4,456 NZD