CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6412359992

Certificate GIA 6412359992

Diamond specifications and retailer prices

From $2,786 AUD
As of October 31, 2026
Save $5,217 AUD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,002 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 very-good cut grade and certified by GIA 6412359992. Listed at 19 retailers as of October 31, 2026, with prices from $2,786 to $8,002, a $5,217 spread on the same certified stone. NZ Jewellers lists it at $8,002. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6412359992
Dimensions6.25 × 6.16 × 4.01 mm
L/W Ratio1.01
Top View
6.25 mm6.16 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412359992
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.7%

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: Oct 31
Current: $3,561 AUD|Low: $2,778 AUD|High: $6,787 AUD|Avg: $3,980 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,786 AUD
Retailer 8$2,797 AUD
Retailer 9$3,533 AUD
Retailer 6$3,541 AUD
Retailer 1$3,561 AUD
Retailer 2$3,898 AUD
Retailer 3$4,027 AUD
Retailer 5$4,328 AUD
Retailer 4$6,688 AUD

33 data points across 9 retailers

19 retailers$2,786 AUD to $8,002 AUD

A
Cheapest Retailer
-
$2,786 AUD
A
Retailer 2
-
$2,797 AUD
View
B+
Retailer 3
-
$3,386 AUD
View
B+
Retailer 4
-
$3,533 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,541 AUD
View
B+
Retailer 6
-
$3,561 AUD
View
Retailer 7
-
$3,624 AUD
View
Price last confirmed 109 days ago
Retailer 8
-
$3,828 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,828 AUD
View
B+
Retailer 10
-
$3,898 AUD
View
B+
Retailer 11
-
$3,976 AUD
View
B+
Retailer 12
-
$4,027 AUD
View
B+
Retailer 13
-
$4,028 AUD
View
B
Retailer 14
-
$4,328 AUD
View
B
Retailer 15
-
$4,417 AUD
View
B
Retailer 16
-
$5,355 AUD
View
B
Retailer 17
-
$6,688 AUD
View
C
Retailer 18
-
$7,314 AUD
View
Most Expensive
C
NZ Jewellers
9b80595b-a9cd-4fb4-99e6-9398ee5f40ac · Nov 5
$8,002 AUD
$5,602 USD
View
18 more retailers have this diamond
Prices start from $2,786 AUDSave up to $5,217 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
$2,786 AUD