Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7521931738

Certificate GIA 7521931738

Diamond specifications and retailer prices

From $2,851 AUD
As of November 6, 2026
Save $4,834 AUD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,685 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521931738. Listed at 24 retailers as of November 5, 2026, with prices from $2,851 to $7,685, a $4,834 spread on the same certified stone. NZ Jewellers lists it at $7,685. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7521931738
Dimensions6.35 × 6.31 × 3.99 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.35 mm6.31 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521931738
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: $7,685 AUD|Low: $2,834 AUD|High: $7,685 AUD|Avg: $4,217 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 3$2,851 AUD
Retailer 13$3,001 AUD
Retailer 21$3,263 AUD
Retailer 15$3,293 AUD
Retailer 12$3,393 AUD
Retailer 17$3,517 AUD
Retailer 4$3,636 AUD
Retailer 8$3,650 AUD
Retailer 6$3,676 AUD
Retailer 9$3,676 AUD
Retailer 11$3,771 AUD
Retailer 7$3,846 AUD
Retailer 19$3,867 AUD
Retailer 5$3,876 AUD
Retailer 18$3,971 AUD
Retailer 10$4,040 AUD
Retailer 14$4,241 AUD
Retailer 22$4,451 AUD
Retailer 20$4,485 AUD
Retailer 16$5,373 AUD
Retailer 2$5,814 AUD
Retailer 23$6,421 AUD
NZ Jewellers$7,685 AUD

23 data points across 23 retailers

24 retailers$2,851 AUD to $7,685 AUD

A
Cheapest Retailer
-
$2,851 AUD
A
Retailer 2
-
$3,001 AUD
View
A
Retailer 3
-
$3,263 AUD
View
A
Retailer 4
-
$3,293 AUD
View
A
Retailer 5
-
$3,393 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,517 AUD
View
A
Retailer 7
-
$3,636 AUD
View
A
Retailer 8
-
$3,650 AUD
View
A
Retailer 9
-
$3,676 AUD
View
Retailer 10
-
$3,676 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,771 AUD
View
B+
Retailer 12
-
$3,846 AUD
View
A
Retailer 13
-
$3,867 AUD
View
B+
Retailer 14
-
$3,876 AUD
View
B+
Retailer 15
-
$3,971 AUD
View
B+
Retailer 16
-
$4,040 AUD
View
B+
Retailer 17
-
$4,241 AUD
View
Retailer 18
-
$4,253 AUD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$4,451 AUD
View
B+
Retailer 20
-
$4,485 AUD
View
B+
Retailer 21
-
$5,373 AUD
View
B+
Retailer 22
-
$5,814 AUD
View
B
Retailer 23
-
$6,421 AUD
View
Most Expensive
B
NZ Jewellers
5cb3b936-66a2-46ea-adc4-2528a6c27ea0 · Nov 5
$7,685 AUD
$5,380 USD
View
23 more retailers have this diamond
Prices start from $2,851 AUDSave up to $4,834 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
$2,851 AUD