Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 1439308520

Certificate GIA 1439308520

Diamond specifications and retailer prices

From $3,069 AUD
As of November 6, 2026
Save $5,839 AUD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,909 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 F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1439308520. Listed at 18 retailers as of November 5, 2026, with prices from $3,069 to $8,909, a $5,839 spread on the same certified stone. NZ Jewellers lists it at $8,909. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 1439308520
Dimensions6.33 × 6.23 × 4.02 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Knot, Cloud, Needle, Indented Natural, Natural
Top View
6.33 mm6.23 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1439308520
Side View
Table 60.0%Crown 35°Girdle: THN-THKPavilion 42°Culet: NoneDepth 63.9%

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: $3,069 AUD|Low: $2,969 AUD|High: $7,212 AUD|Avg: $4,327 AUD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,069 AUD
Retailer 6$3,129 AUD
Retailer 8$3,756 AUD
Retailer 7$3,932 AUD
Retailer 2$4,341 AUD
Retailer 9$4,424 AUD
Retailer 3$4,484 AUD
Retailer 5$4,813 AUD
Retailer 4$7,107 AUD

42 data points across 9 retailers

18 retailers$3,069 AUD to $8,909 AUD

A
Cheapest Retailer
-
$3,069 AUD
A
Retailer 2
-
$3,129 AUD
View
B+
Retailer 3
-
$3,671 AUD
View
B+
Retailer 4
-
$3,756 AUD
View
B+
Retailer 5
-
$3,932 AUD
View
Final sale: no returns
Retailer 6
-
$4,017 AUD
View
Price last confirmed 109 days ago
Retailer 7
-
$4,261 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,261 AUD
View
B+
Retailer 9
-
$4,341 AUD
View
B+
Retailer 10
-
$4,424 AUD
View
B+
Retailer 11
-
$4,468 AUD
View
B+
Retailer 12
-
$4,484 AUD
View
B+
Retailer 13
-
$4,813 AUD
View
B
Retailer 14
-
$4,916 AUD
View
B
Retailer 15
-
$6,137 AUD
View
B
Retailer 16
-
$7,107 AUD
View
B
Retailer 17
-
$7,584 AUD
View
Most Expensive
C
NZ Jewellers
1efb18db-5499-4377-abda-6f3a6570f74b · Nov 5
$8,909 AUD
$6,121 USD
View
17 more retailers have this diamond
Prices start from $3,069 AUDSave up to $5,839 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
$3,069 AUD