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Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6525606574

Shape and cutting style on the report: Round brilliant

Certificate GIA 6525606574

Diamond specifications and retailer prices

From $1,904 AUD
As of November 5, 2026
Save $4,553 AUD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,457 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525606574. Listed at 19 retailers as of November 5, 2026, with prices from $1,904 to $6,457, a $4,553 spread on the same certified stone. NZ Jewellers lists it at $6,457. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6525606574
Dimensions6.42 × 6.38 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.42 mm6.38 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6525606574
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.4%

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 5
Current: $2,531 AUD|Low: $1,904 AUD|High: $4,687 AUD|Avg: $2,876 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$1,904 AUD
Retailer 8$1,920 AUD
Retailer 9$2,411 AUD
Retailer 1$2,531 AUD
Retailer 6$2,726 AUD
Retailer 4$2,857 AUD
Retailer 3$3,231 AUD
Retailer 7$3,233 AUD
Retailer 5$4,625 AUD

31 data points across 9 retailers

19 retailers$1,904 AUD to $6,457 AUD

A
Cheapest Retailer
-
$1,904 AUD
A
Retailer 2
-
$1,920 AUD
View
Retailer 3
-
$2,368 AUD
View
Price last confirmed 82 days ago
B+
Retailer 4
-
$2,411 AUD
View
B+
Retailer 5
-
$2,443 AUD
View
A
Retailer 6
-
$2,531 AUD
View
B+
Retailer 7
-
$2,647 AUD
View
Retailer 8
-
$2,678 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$2,721 AUD
View
B+
Retailer 10
-
$2,726 AUD
View
B+
Retailer 11
-
$2,770 AUD
View
B+
Retailer 12
-
$2,857 AUD
View
B+
Retailer 13
-
$2,904 AUD
View
B+
Retailer 14
-
$3,054 AUD
View
B+
Retailer 15
-
$3,231 AUD
View
B+
Retailer 16
-
$3,233 AUD
View
B
Retailer 17
-
$4,483 AUD
View
B
Retailer 18
-
$4,625 AUD
View
Most Expensive
B
NZ Jewellers
73cdb1bf-78d2-49fe-85f4-f565697eeeda · Nov 5
$6,457 AUD
$4,520 USD
View
18 more retailers have this diamond
Prices start from $1,904 AUDSave up to $4,553 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
1.01ct Round
$1,904 AUD