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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From $5,174 NZD
As of November 4, 2026
Save $5,938 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,112 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 GIA 1523721555. Listed at 20 retailers as of November 4, 2026, with prices from $5,174 to $11,112, a $5,938 spread on the same certified stone. NZ Jewellers lists it at $11,112. 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 angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523721555
Dimensions6.50 × 6.48 × 4.04 mm
L/W Ratio1.00
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Needle, Indented Natural
Top View
6.50 mm6.48 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523721555
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $11,112 NZD|Low: $4,302 NZD|High: $11,112 NZD|Avg: $6,737 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 5$5,174 NZD
Retailer 4$5,177 NZD
Retailer 3$5,276 NZD
Retailer 10$5,778 NZD
Retailer 13$5,778 NZD
Retailer 11$6,002 NZD
Retailer 2$6,103 NZD
Retailer 7$6,559 NZD
Retailer 14$6,667 NZD
Retailer 6$6,831 NZD
Retailer 9$6,963 NZD
Retailer 8$7,786 NZD
Retailer 12$10,722 NZD
NZ Jewellers$11,112 NZD

31 data points across 14 retailers

20 retailers$5,174 NZD to $11,112 NZD

B+
Cheapest Retailer
-
$5,174 NZD
B+
Retailer 2
-
$5,177 NZD
View
B+
Retailer 3
-
$5,276 NZD
View
B+
Retailer 4
-
$5,399 NZD
View
Retailer 5
-
$5,778 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,778 NZD
View
B
Retailer 7
-
$6,002 NZD
View
B+
Retailer 8
-
$6,103 NZD
View
B+
Retailer 9
-
$6,213 NZD
View
B+
Retailer 10
-
$6,559 NZD
View
B
Retailer 11
-
$6,566 NZD
View
B
Retailer 12
-
$6,566 NZD
View
B
Retailer 13
-
$6,667 NZD
View
B
Retailer 14
-
$6,783 NZD
View
Retailer 15
-
$6,831 NZD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$6,963 NZD
View
Retailer 17
-
$7,226 NZD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$7,786 NZD
View
Retailer 19
-
$10,722 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
$11,112 NZD
$6,160 USD
View
19 more retailers have this diamond
Prices start from $5,174 NZDSave up to $5,938 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.

B+
1.05ct Round
$5,174 NZD