Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553372344

Certificate GIA 5553372344

Diamond specifications and retailer prices

From $3,437 AUD
As of November 5, 2026
Save $2,097 AUD (38%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $8,028 AUD at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553372344. Listed at 28 retailers as of November 5, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553372344
Dimensions6.40 × 6.35 × 3.99 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.40 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553372344
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,028 AUD|Low: $3,066 AUD|High: $9,342 AUD|Avg: $4,741 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
Retailer 23
November 6, 2026
Retailer 8$3,066 AUD
Retailer 7$3,207 AUD
Retailer 3$3,437 AUD
Retailer 15$3,500 AUD
Retailer 11$3,528 AUD
Retailer 9$3,550 AUD
Retailer 12$3,613 AUD
Retailer 21$3,793 AUD
Retailer 14$3,963 AUD
Retailer 18$4,021 AUD
Retailer 13$4,338 AUD
Retailer 4$4,440 AUD
Retailer 10$4,573 AUD
Retailer 19$4,663 AUD
Retailer 5$4,671 AUD
Retailer 23$4,671 AUD
Retailer 17$4,828 AUD
Retailer 20$4,968 AUD
Retailer 16$5,251 AUD
Retailer 2$5,377 AUD
Retailer 22$5,534 AUD
Retailer 6$7,354 AUD
NZ Jewellers$8,028 AUD

19 data points across 23 retailers

28 retailers$3,437 AUD to $5,534 AUD

Retailer 1
-
$3,066 AUD
Price last confirmed 9 days ago
Retailer 2
-
$3,207 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,437 AUD
View
Retailer 4
-
$3,500 AUD
View
Price last confirmed 16 days ago
Retailer 5
-
$3,528 AUD
View
Price last confirmed 11 days ago
Retailer 6
-
$3,550 AUD
View
Price last confirmed 9 days ago
Retailer 7
-
$3,613 AUD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$3,793 AUD
View
Final sale: no returns
Retailer 9
-
$3,963 AUD
View
Price last confirmed 12 days ago
Retailer 10
-
$3,963 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$4,021 AUD
View
Retailer 12
-
$4,116 AUD
View
Price last confirmed 12 days ago
Retailer 13
-
$4,174 AUD
View
Price last confirmed 25 days ago
Retailer 14
-
$4,174 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$4,338 AUD
View
B+
Retailer 16
-
$4,440 AUD
View
Retailer 17
-
$4,573 AUD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
$4,663 AUD
View
B+
Retailer 19
-
$4,671 AUD
View
B+
Retailer 20
-
$4,671 AUD
View
Retailer 21
-
$4,817 AUD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$4,828 AUD
View
B+
Retailer 23
-
$4,968 AUD
View
Retailer 24
-
$5,251 AUD
View
Price last confirmed 24 days ago
Retailer 25
-
$5,377 AUD
View
B+
Retailer 26
-
$5,534 AUD
View
Retailer 27
-
$7,354 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
be185f9c-4bed-42f0-a803-0f81cb0430b9 · Oct 9
$8,028 AUD
$5,620 USD
View
Price last confirmed 28 days ago
27 more retailers have this diamond
Prices start from $3,437 AUDSave up to $2,097 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
$3,437 AUD