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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1565015895

Certificate GIA 1565015895

Diamond specifications and retailer prices

From $1,820 AUD
As of November 6, 2026
Save $4,143 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,963 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565015895. Listed at 12 retailers as of November 5, 2026, with prices from $1,820 to $5,963, a $4,143 spread on the same certified stone. NZ Jewellers lists it at $5,963. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565015895
Dimensions6.38 × 6.43 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Indented Natural, Natural
Top View
6.38 mm6.43 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565015895
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.7%

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: $5,963 AUD|Low: $1,820 AUD|High: $6,147 AUD|Avg: $3,013 AUD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$1,820 AUD
Retailer 4$2,211 AUD
Retailer 11$2,241 AUD
Retailer 5$2,274 AUD
Retailer 10$2,444 AUD
Retailer 3$2,573 AUD
Retailer 8$2,586 AUD
Retailer 6$2,697 AUD
Retailer 9$2,820 AUD
Retailer 7$3,098 AUD
Retailer 12$4,297 AUD
NZ Jewellers$5,963 AUD

21 data points across 12 retailers

12 retailers$1,820 AUD to $5,963 AUD

A
Cheapest Retailer
-
$1,820 AUD
A
Retailer 2
-
$2,211 AUD
View
A
Retailer 3
-
$2,241 AUD
View
A
Retailer 4
-
$2,274 AUD
View
A
Retailer 5
-
$2,444 AUD
View
A
Retailer 6
-
$2,573 AUD
View
A
Retailer 7
-
$2,586 AUD
View
A
Retailer 8
-
$2,697 AUD
View
A
Retailer 9
-
$2,820 AUD
View
A
Retailer 10
-
$3,098 AUD
View
B+
Retailer 11
-
$4,297 AUD
View
Most Expensive
B
NZ Jewellers
f3872ce2-97c1-48fd-8cb1-51f0539967c1 · Nov 5
$5,963 AUD
$4,174 USD
View
11 more retailers have this diamond
Prices start from $1,820 AUDSave up to $4,143 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.

A
1.00ct Round
$1,820 AUD