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Round|Natural|IGI

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 828653796

Shape and cutting style on the report: Round brilliant

Certificate IGI 828653796

Diamond specifications and retailer prices

From $3,758 NZD
As of November 6, 2026
Save $5,073 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,830 NZD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 828653796. Listed at 14 retailers as of November 5, 2026, with prices from $3,758 to $8,830, a $5,073 spread on the same certified stone. NZ Jewellers lists it at $8,830. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 828653796
Dimensions6.41 × 6.49 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.41 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653796
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.4%

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: $8,830 NZD|Low: $3,758 NZD|High: $8,830 NZD|Avg: $4,852 NZD
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
November 6, 2026
Retailer 2$3,758 NZD
Retailer 6$3,898 NZD
Retailer 7$3,981 NZD
Retailer 5$4,118 NZD
Retailer 4$4,221 NZD
Retailer 12$4,223 NZD
Retailer 8$4,411 NZD
Retailer 14$4,420 NZD
Retailer 3$4,643 NZD
Retailer 10$4,800 NZD
Retailer 9$4,919 NZD
Retailer 11$5,154 NZD
Retailer 13$7,378 NZD
NZ Jewellers$8,830 NZD

8 data points across 14 retailers

14 retailers$3,758 NZD to $8,830 NZD

A
Cheapest Retailer
-
$3,758 NZD
A
Retailer 2
-
$3,898 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,981 NZD
View
A
Retailer 4
-
$4,118 NZD
View
A
Retailer 5
-
$4,221 NZD
View
A
Retailer 6
-
$4,223 NZD
View
B+
Retailer 7
-
$4,411 NZD
View
B+
Retailer 8
-
$4,420 NZD
View
B+
Retailer 9
-
$4,643 NZD
View
B+
Retailer 10
-
$4,800 NZD
View
B+
Retailer 11
-
$4,919 NZD
View
B+
Retailer 12
-
$5,154 NZD
View
B
Retailer 13
-
$7,378 NZD
View
Most Expensive
B
NZ Jewellers
1d7e74f0-7637-4c67-8077-76cf2e13601e · Nov 5
$8,830 NZD
$4,895 USD
View
13 more retailers have this diamond
Prices start from $3,758 NZDSave up to $5,073 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
$3,758 NZD