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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 $2,128 NZD
As of November 5, 2026
Save $4,689 NZD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,817 NZD 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 $2,128 to $6,817, a $4,689 spread on the same certified stone. NZ Jewellers lists it at $6,817. 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: $6,817 NZD|Low: $2,128 NZD|High: $7,080 NZD|Avg: $3,241 NZD|-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$2,128 NZD
Retailer 15$2,478 NZD
Retailer 13$2,588 NZD
Retailer 16$2,624 NZD
Retailer 2$2,711 NZD
Retailer 4$2,786 NZD
Retailer 3$2,795 NZD
Retailer 6$2,795 NZD
Retailer 8$2,923 NZD
Retailer 5$3,037 NZD
Retailer 12$3,083 NZD
Retailer 7$3,225 NZD
Retailer 10$3,264 NZD
Retailer 9$3,673 NZD
Retailer 14$4,881 NZD
NZ Jewellers$6,817 NZD

24 data points across 16 retailers

17 retailers$2,128 NZD to $6,817 NZD

A
Cheapest Retailer
-
$2,128 NZD
A
Retailer 2
-
$2,478 NZD
View
A
Retailer 3
-
$2,588 NZD
View
A
Retailer 4
-
$2,624 NZD
View
A
Retailer 5
-
$2,711 NZD
View
A
Retailer 6
-
$2,786 NZD
View
Retailer 7
-
$2,795 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,795 NZD
View
B+
Retailer 9
-
$2,923 NZD
View
A
Retailer 10
-
$3,037 NZD
View
B+
Retailer 11
-
$3,061 NZD
View
A
Retailer 12
-
$3,083 NZD
View
B+
Retailer 13
-
$3,225 NZD
View
B+
Retailer 14
-
$3,264 NZD
View
B+
Retailer 15
-
$3,673 NZD
View
B
Retailer 16
-
$4,881 NZD
View
Most Expensive
B
NZ Jewellers
dc90e1b8-43ee-48db-a136-01f9839c2ed2 · Nov 5
$6,817 NZD
$3,832 USD
View
16 more retailers have this diamond
Prices start from $2,128 NZDSave up to $4,689 NZD

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
$2,128 NZD