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Round|Natural|GIA

1.01ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6375472406

Certificate GIA 6375472406

Diamond specifications and retailer prices

From $1,708 AUD
As of November 5, 2026
Save $3,766 AUD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,474 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6375472406. Listed at 17 retailers as of November 5, 2026, with prices from $1,708 to $5,474, a $3,766 spread on the same certified stone. NZ Jewellers lists it at $5,474. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6375472406
Dimensions6.39 × 6.35 × 4.01 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
6.39 mm6.35 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6375472406
Side View
Table 56.0%Crown 35.5°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.9%

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: $5,474 AUD|Low: $1,708 AUD|High: $5,685 AUD|Avg: $2,603 AUD|-3.7%
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
November 6, 2026
Retailer 11$1,708 AUD
Retailer 15$1,990 AUD
Retailer 13$2,078 AUD
Retailer 16$2,107 AUD
Retailer 2$2,177 AUD
Retailer 4$2,237 AUD
Retailer 3$2,244 AUD
Retailer 6$2,244 AUD
Retailer 8$2,347 AUD
Retailer 5$2,438 AUD
Retailer 12$2,476 AUD
Retailer 7$2,590 AUD
Retailer 10$2,621 AUD
Retailer 9$2,950 AUD
Retailer 14$3,920 AUD
NZ Jewellers$5,474 AUD

24 data points across 16 retailers

17 retailers$1,708 AUD to $5,474 AUD

A
Cheapest Retailer
-
$1,708 AUD
A
Retailer 2
-
$1,990 AUD
View
A
Retailer 3
-
$2,078 AUD
View
A
Retailer 4
-
$2,107 AUD
View
A
Retailer 5
-
$2,177 AUD
View
A
Retailer 6
-
$2,237 AUD
View
Retailer 7
-
$2,244 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,244 AUD
View
B+
Retailer 9
-
$2,347 AUD
View
A
Retailer 10
-
$2,438 AUD
View
B+
Retailer 11
-
$2,458 AUD
View
A
Retailer 12
-
$2,476 AUD
View
B+
Retailer 13
-
$2,590 AUD
View
B+
Retailer 14
-
$2,621 AUD
View
B+
Retailer 15
-
$2,950 AUD
View
B
Retailer 16
-
$3,920 AUD
View
Most Expensive
B
NZ Jewellers
dc90e1b8-43ee-48db-a136-01f9839c2ed2 · Nov 5
$5,474 AUD
$3,832 USD
View
16 more retailers have this diamond
Prices start from $1,708 AUDSave up to $3,766 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
$1,708 AUD