CaratHunter
Plans
Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From $4,174 AUD
As of November 4, 2026
Save $4,791 AUD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,965 AUD 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 $4,174 to $8,965, a $4,791 spread on the same certified stone. NZ Jewellers lists it at $8,965. 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: $8,965 AUD|Low: $3,471 AUD|High: $8,965 AUD|Avg: $5,435 AUD
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$4,174 AUD
Retailer 4$4,177 AUD
Retailer 3$4,257 AUD
Retailer 10$4,662 AUD
Retailer 13$4,662 AUD
Retailer 11$4,842 AUD
Retailer 2$4,924 AUD
Retailer 7$5,292 AUD
Retailer 14$5,379 AUD
Retailer 6$5,512 AUD
Retailer 9$5,618 AUD
Retailer 8$6,282 AUD
Retailer 12$8,651 AUD
NZ Jewellers$8,965 AUD

31 data points across 14 retailers

20 retailers$4,174 AUD to $8,965 AUD

B+
Cheapest Retailer
-
$4,174 AUD
B+
Retailer 2
-
$4,177 AUD
View
B+
Retailer 3
-
$4,257 AUD
View
B+
Retailer 4
-
$4,356 AUD
View
Retailer 5
-
$4,662 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,662 AUD
View
B
Retailer 7
-
$4,842 AUD
View
B+
Retailer 8
-
$4,924 AUD
View
B+
Retailer 9
-
$5,012 AUD
View
B+
Retailer 10
-
$5,292 AUD
View
B
Retailer 11
-
$5,298 AUD
View
B
Retailer 12
-
$5,298 AUD
View
B
Retailer 13
-
$5,379 AUD
View
B
Retailer 14
-
$5,472 AUD
View
Retailer 15
-
$5,512 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$5,618 AUD
View
Retailer 17
-
$5,830 AUD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$6,282 AUD
View
Retailer 19
-
$8,651 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
$8,965 AUD
$6,160 USD
View
19 more retailers have this diamond
Prices start from $4,174 AUDSave up to $4,791 AUD

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
$4,174 AUD