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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6551742033

Certificate GIA 6551742033

Diamond specifications and retailer prices

From $3,541 AUD
As of November 4, 2026
Save $4,503 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,044 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 top-tier cut grade and certified by GIA 6551742033. Listed at 24 retailers as of November 4, 2026, with prices from $3,541 to $8,044, a $4,503 spread on the same certified stone. NZ Jewellers lists it at $8,044. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551742033
Dimensions6.38 × 6.41 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.38 mm6.41 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551742033
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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 4
Current: $8,044 AUD|Low: $3,330 AUD|High: $8,044 AUD|Avg: $5,044 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
November 6, 2026
Retailer 10$3,663 AUD
Retailer 3$3,746 AUD
Retailer 9$4,061 AUD
Retailer 4$4,183 AUD
Retailer 6$4,183 AUD
Retailer 11$4,344 AUD
Retailer 13$4,520 AUD
Retailer 12$4,541 AUD
Retailer 2$4,748 AUD
Retailer 5$4,826 AUD
Retailer 7$5,040 AUD
Retailer 14$6,660 AUD
Retailer 8$7,699 AUD
NZ Jewellers$8,044 AUD

38 data points across 14 retailers

24 retailers$3,541 AUD to $8,044 AUD

A
Cheapest Retailer
-
$3,541 AUD
A
Retailer 2
-
$3,614 AUD
View
A
Retailer 3
-
$3,639 AUD
View
A
Retailer 4
-
$3,663 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,746 AUD
View
B+
Retailer 6
-
$4,061 AUD
View
Retailer 7
-
$4,183 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,183 AUD
View
B+
Retailer 9
-
$4,272 AUD
View
B+
Retailer 10
-
$4,344 AUD
View
B+
Retailer 11
-
$4,520 AUD
View
B+
Retailer 12
-
$4,541 AUD
View
B+
Retailer 13
-
$4,541 AUD
View
B+
Retailer 14
-
$4,748 AUD
View
B+
Retailer 15
-
$4,759 AUD
View
B+
Retailer 16
-
$4,759 AUD
View
B+
Retailer 17
-
$4,826 AUD
View
B+
Retailer 18
-
$4,919 AUD
View
B+
Retailer 19
-
$5,040 AUD
View
Retailer 20
-
$5,357 AUD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
$5,418 AUD
View
B
Retailer 22
-
$6,660 AUD
View
B
Retailer 23
-
$7,699 AUD
View
Most Expensive
B
NZ Jewellers
e25de996-62fb-4b0e-a36f-a7ab26d1ca9b · Nov 5
$8,044 AUD
$5,527 USD
View
23 more retailers have this diamond
Prices start from $3,541 AUDSave up to $4,503 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
$3,541 AUD