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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7568399228

Certificate GIA 7568399228

Diamond specifications and retailer prices

From $2,824 AUD
HK$15,500 HKD
As of November 1, 2026
Save $3,675 AUD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,841 AUD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7568399228. Listed at 22 retailers as of November 1, 2026, with a 130% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7568399228
Dimensions6.32 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.36 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7568399228
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 1
Current: $3,569 AUD|Low: $2,697 AUD|High: $7,800 AUD|Avg: $3,923 AUD|+3.4%
Retailer 1
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
November 1, 2026
Retailer 9$2,818 AUD
Retailer 14$2,824 AUD
Retailer 4$3,035 AUD
Retailer 2$3,102 AUD
Retailer 18$3,103 AUD
Retailer 16$3,353 AUD
Retailer 1$3,569 AUD
Retailer 7$3,701 AUD
Retailer 3$3,872 AUD
Retailer 5$3,872 AUD
Retailer 12$3,941 AUD
Retailer 6$4,000 AUD
Retailer 10$4,203 AUD
Retailer 8$4,280 AUD
Retailer 17$4,350 AUD
Retailer 13$4,538 AUD
Retailer 15$4,560 AUD
Retailer 11$6,500 AUD

26 data points across 18 retailers

22 retailers$2,824 AUD to $6,500 AUD

Retailer 1
-
$2,818 AUD
₹188,491 INR
Price last confirmed 17 days ago
A
Retailer 2
-
$2,824 AUD
HK$15,500 HKD
View
A
Retailer 3
-
$3,035 AUD
$2,132 USD
View
A
Retailer 4
-
$3,102 AUD
$2,179 USD
View
Final sale: no returns
A
Retailer 5
-
$3,103 AUD
$2,180 USD
View
A
Retailer 6
-
$3,353 AUD
$2,355 USD
View
B+
Retailer 7
-
$3,569 AUD
£1,974 GBP
View
Retailer 8
-
$3,576 AUD
$2,512 USD
View
Price last confirmed 16 days ago
Retailer 9
-
$3,701 AUD
SGD 3,513 SGD
View
Price last confirmed 16 days ago
Retailer 10
-
$3,751 AUD
$2,635 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$3,872 AUD
$2,720 USD
View
B+
Retailer 12
-
$3,872 AUD
$2,720 USD
View
B+
Retailer 13
-
$3,941 AUD
£2,180 GBP
View
B+
Retailer 14
-
$4,000 AUD
$2,810 USD
View
Retailer 15
-
$4,203 AUD
View
Price last confirmed 24 days ago
Retailer 16
-
$4,328 AUD
$3,040 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$4,350 AUD
€2,910 EUR
View
B
Retailer 18
-
$4,538 AUD
$3,188 USD
View
B
Retailer 19
-
$4,560 AUD
ZAR 51,743 ZAR
View
B
Retailer 20
-
$6,500 AUD
£3,595 GBP
View
Retailer 21
-
$7,756 AUD
$5,448 USD
View
Price last confirmed 21 days ago
Most Expensive
NZ Jewellers
687b4def-724a-4ca4-bfe8-55c3a360bab6 · Sep 27
$7,841 AUD
$5,508 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from $2,824 AUDSave up to $3,675 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
$2,824 AUD