Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565521271

Certificate GIA 6565521271

Diamond specifications and retailer prices

From $3,720 NZD
As of November 6, 2026
Save $4,855 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,575 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565521271. Listed at 12 retailers as of November 4, 2026, with prices from $3,720 to $8,575, a $4,855 spread on the same certified stone. MOH London lists it at $8,575. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565521271
Dimensions6.50 × 6.48 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.50 mm6.48 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565521271
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°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 6
Current: $8,575 NZD|Low: $3,720 NZD|High: $8,804 NZD|Avg: $5,241 NZD|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 5$3,720 NZD
Retailer 3$4,394 NZD
Retailer 6$4,436 NZD
Retailer 4$4,530 NZD
Retailer 9$4,907 NZD
Retailer 10$5,096 NZD
Retailer 11$5,161 NZD
Retailer 2$5,163 NZD
Retailer 8$5,738 NZD
Retailer 7$5,823 NZD
MOH London$8,575 NZD

24 data points across 11 retailers

12 retailers$3,720 NZD to $8,575 NZD

A
Cheapest Retailer
-
$3,720 NZD
A
Retailer 2
-
$4,394 NZD
View
A
Retailer 3
-
$4,436 NZD
View
A
Retailer 4
-
$4,530 NZD
View
Final sale: no returns
Retailer 5
-
$4,605 NZD
View
Price last confirmed 27 days ago
Retailer 6
-
$4,907 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,096 NZD
View
B+
Retailer 8
-
$5,161 NZD
View
A
Retailer 9
-
$5,163 NZD
View
B+
Retailer 10
-
$5,738 NZD
View
B+
Retailer 11
-
$5,823 NZD
View
Most Expensive
B
MOH London
5231E2A76 · Nov 4
$8,575 NZD
£3,743 GBP
View
11 more retailers have this diamond
Prices start from $3,720 NZDSave up to $4,855 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
$3,720 NZD