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Round|Natural|IGI

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 826681826

Shape and cutting style on the report: Round brilliant

Certificate IGI 826681826

Diamond specifications and retailer prices

From $4,091 NZD
As of November 6, 2026
Save $5,377 NZD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,469 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 826681826. Listed at 18 retailers as of November 5, 2026, with prices from $4,091 to $9,469, a $5,377 spread on the same certified stone. NZ Jewellers lists it at $9,469. 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 angle36.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 826681826
Dimensions6.42 × 6.46 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.42 mm6.46 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826681826
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41.5°CuletDepth 63.5%

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: $9,469 NZD|Low: $4,091 NZD|High: $9,469 NZD|Avg: $5,487 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 6$4,091 NZD
Retailer 4$4,095 NZD
Retailer 11$4,180 NZD
Retailer 5$4,522 NZD
Retailer 14$4,530 NZD
Retailer 12$4,739 NZD
Retailer 2$4,849 NZD
Retailer 3$5,226 NZD
Retailer 7$5,280 NZD
Retailer 8$5,359 NZD
Retailer 9$5,527 NZD
Retailer 13$6,382 NZD
Retailer 10$7,914 NZD
NZ Jewellers$9,469 NZD

41 data points across 14 retailers

18 retailers$4,091 NZD to $9,469 NZD

A
Cheapest Retailer
-
$4,091 NZD
A
Retailer 2
-
$4,095 NZD
View
A
Retailer 3
-
$4,180 NZD
View
Final sale: no returns
B+
Retailer 4
-
$4,522 NZD
View
B+
Retailer 5
-
$4,530 NZD
View
Retailer 6
-
$4,530 NZD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
$4,739 NZD
View
B+
Retailer 8
-
$4,782 NZD
View
B+
Retailer 9
-
$4,849 NZD
View
Retailer 10
-
$5,226 NZD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
$5,226 NZD
View
B+
Retailer 12
-
$5,280 NZD
View
B+
Retailer 13
-
$5,359 NZD
View
B+
Retailer 14
-
$5,527 NZD
View
B
Retailer 15
-
$6,382 NZD
View
B
Retailer 16
-
$7,914 NZD
View
Retailer 17
-
$9,469 NZD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
19af69cb-3516-48f6-ab75-96d7b98d24ed · Nov 5
$9,469 NZD
$5,249 USD
View
17 more retailers have this diamond
Prices start from $4,091 NZDSave up to $5,377 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
$4,091 NZD