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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 2436407019

Certificate GIA 2436407019

Diamond specifications and retailer prices

From $2,596 AUD
As of November 6, 2026
Save $4,943 AUD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,538 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 2436407019. Listed at 19 retailers as of November 5, 2026, with prices from $2,596 to $7,538, a $4,943 spread on the same certified stone. NZ Jewellers lists it at $7,538. 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 angle34°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2436407019
Dimensions6.39 × 6.32 × 3.89 mm
L/W Ratio1.01
Top View
6.39 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2436407019
Side View
Table 59.0%Crown 34°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 61.2%

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: $2,596 AUD|Low: $2,596 AUD|High: $6,384 AUD|Avg: $3,712 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,596 AUD
Retailer 7$2,633 AUD
Retailer 9$3,327 AUD
Retailer 8$3,353 AUD
Retailer 2$3,354 AUD
Retailer 3$3,666 AUD
Retailer 4$3,793 AUD
Retailer 5$4,064 AUD
Retailer 6$6,317 AUD

31 data points across 9 retailers

19 retailers$2,596 AUD to $7,538 AUD

A
Cheapest Retailer
-
$2,596 AUD
A
Retailer 2
-
$2,633 AUD
View
B+
Retailer 3
-
$3,190 AUD
View
B+
Retailer 4
-
$3,327 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,353 AUD
View
B+
Retailer 6
-
$3,354 AUD
View
Retailer 7
-
$3,426 AUD
View
Price last confirmed 109 days ago
B+
Retailer 8
-
$3,606 AUD
View
B+
Retailer 9
-
$3,666 AUD
View
B+
Retailer 10
-
$3,771 AUD
View
B+
Retailer 11
-
$3,793 AUD
View
B+
Retailer 12
-
$3,806 AUD
View
B+
Retailer 13
-
$3,906 AUD
View
B+
Retailer 14
-
$4,064 AUD
View
B
Retailer 15
-
$4,160 AUD
View
B
Retailer 16
-
$5,355 AUD
View
B
Retailer 17
-
$6,317 AUD
View
B
Retailer 18
-
$6,831 AUD
View
Most Expensive
C
NZ Jewellers
2c76cae2-ae71-494a-8465-77ecad09c201 · Nov 5
$7,538 AUD
$5,277 USD
View
18 more retailers have this diamond
Prices start from $2,596 AUDSave up to $4,943 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
$2,596 AUD