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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3565583268

Certificate GIA 3565583268

Diamond specifications and retailer prices

From $3,763 NZD
As of November 4, 2026
Save $7,127 NZD (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,890 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

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 3565583268. Listed at 15 retailers as of November 2, 2026, with prices from $3,763 to $10,890, a $7,127 spread on the same certified stone. NZ Jewellers lists it at $10,890. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3565583268
Dimensions6.50 × 6.47 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.50 mm6.47 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 3565583268
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 4
Current: $10,890 NZD|Low: $3,716 NZD|High: $11,386 NZD|Avg: $5,838 NZD|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 11$3,763 NZD
Retailer 9$4,421 NZD
Retailer 16$4,553 NZD
Retailer 5$4,798 NZD
Retailer 14$4,807 NZD
Retailer 15$4,932 NZD
Retailer 12$5,011 NZD
Retailer 2$5,096 NZD
Retailer 13$5,170 NZD
Retailer 7$5,266 NZD
Retailer 3$5,376 NZD
Retailer 6$5,570 NZD
Retailer 4$6,438 NZD
Retailer 8$7,814 NZD
Retailer 10$8,711 NZD
NZ Jewellers$10,890 NZD

14 data points across 16 retailers

15 retailers$3,763 NZD to $10,890 NZD

A
Cheapest Retailer
-
$3,763 NZD
Retailer 2
-
$4,421 NZD
View
Price last confirmed 5 days ago
A
Retailer 3
-
$4,553 NZD
View
Retailer 4
-
$4,798 NZD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$4,932 NZD
View
A
Retailer 6
-
$5,011 NZD
View
A
Retailer 7
-
$5,096 NZD
View
A
Retailer 8
-
$5,170 NZD
View
Retailer 9
-
$5,266 NZD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$5,376 NZD
View
B+
Retailer 11
-
$5,570 NZD
View
B+
Retailer 12
-
$6,438 NZD
View
Retailer 13
-
$7,814 NZD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$8,711 NZD
View
Most Expensive
B
NZ Jewellers
84250c0a-1161-479d-a492-645bcb894989 · Nov 2
$10,890 NZD
$6,037 USD
View
14 more retailers have this diamond
Prices start from $3,763 NZDSave up to $7,127 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
$3,763 NZD