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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1523168139

Certificate GIA 1523168139

Diamond specifications and retailer prices

From $3,836 AUD
As of November 6, 2026
Save $4,800 AUD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,636 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523168139. Listed at 23 retailers as of November 5, 2026, with prices from $3,836 to $8,636, a $4,800 spread on the same certified stone. NZ Jewellers lists it at $8,636. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1523168139
Dimensions6.33 × 6.29 × 3.97 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Indented Natural, Natural
Top View
6.33 mm6.29 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523168139
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: $8,636 AUD|Low: $3,800 AUD|High: $8,712 AUD|Avg: $5,544 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 22$3,836 AUD
Retailer 17$3,838 AUD
Retailer 12$4,400 AUD
Retailer 10$4,574 AUD
Retailer 18$4,711 AUD
Retailer 2$4,743 AUD
Retailer 3$4,781 AUD
Retailer 8$4,916 AUD
Retailer 5$4,957 AUD
Retailer 7$4,957 AUD
Retailer 9$4,992 AUD
Retailer 20$5,097 AUD
Retailer 6$5,148 AUD
Retailer 4$5,167 AUD
Retailer 13$5,333 AUD
Retailer 19$5,606 AUD
Retailer 11$5,720 AUD
Retailer 16$6,050 AUD
Retailer 14$7,214 AUD
Retailer 15$7,417 AUD
Retailer 21$8,267 AUD
NZ Jewellers$8,636 AUD

23 data points across 22 retailers

23 retailers$3,836 AUD to $8,636 AUD

A
Cheapest Retailer
-
$3,836 AUD
A
Retailer 2
-
$3,838 AUD
View
B+
Retailer 3
-
$4,400 AUD
View
B+
Retailer 4
-
$4,574 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,711 AUD
View
B+
Retailer 6
-
$4,743 AUD
View
B+
Retailer 7
-
$4,781 AUD
View
B+
Retailer 8
-
$4,916 AUD
View
Retailer 9
-
$4,957 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,957 AUD
View
B+
Retailer 11
-
$4,992 AUD
View
B+
Retailer 12
-
$5,097 AUD
View
B+
Retailer 13
-
$5,148 AUD
View
B+
Retailer 14
-
$5,167 AUD
View
B+
Retailer 15
-
$5,333 AUD
View
Retailer 16
-
$5,551 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$5,606 AUD
View
B+
Retailer 18
-
$5,720 AUD
View
B+
Retailer 19
-
$6,050 AUD
View
B
Retailer 20
-
$7,214 AUD
View
B
Retailer 21
-
$7,417 AUD
View
B
Retailer 22
-
$8,267 AUD
View
Most Expensive
B
NZ Jewellers
f2a8293a-083b-4b96-913e-6d8a0722e6d1 · Nov 5
$8,636 AUD
$5,934 USD
View
22 more retailers have this diamond
Prices start from $3,836 AUDSave up to $4,800 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
$3,836 AUD