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Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6521315816

Certificate GIA 6521315816

Diamond specifications and retailer prices

From $2,231 NZD
As of November 5, 2026
Save $3,287 NZD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,165 NZD at NZ Jewellers · As of October 23, 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 6521315816. Listed at 16 retailers as of November 4, 2026, with a 147% 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6521315816
Dimensions6.39 × 6.36 × 3.98 mm
L/W Ratio1.00
Top View
6.39 mm6.36 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521315816
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: $7,165 NZD|Low: $2,140 NZD|High: $7,165 NZD|Avg: $3,523 NZD
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 14$2,231 NZD
Retailer 8$2,419 NZD
Retailer 10$2,901 NZD
Retailer 5$2,912 NZD
Retailer 4$2,916 NZD
Retailer 13$2,999 NZD
Retailer 11$3,102 NZD
Retailer 15$3,136 NZD
Retailer 2$3,202 NZD
Retailer 6$3,264 NZD
Retailer 12$3,271 NZD
Retailer 16$3,855 NZD
Retailer 7$3,931 NZD
Retailer 9$4,568 NZD
Retailer 3$5,518 NZD
NZ Jewellers$7,165 NZD

31 data points across 16 retailers

16 retailers$2,231 NZD to $5,518 NZD

A
Cheapest Retailer
-
$2,231 NZD
Retailer 2
-
$2,419 NZD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$2,901 NZD
View
A
Retailer 4
-
$2,912 NZD
View
A
Retailer 5
-
$2,916 NZD
View
Final sale: no returns
B+
Retailer 6
-
$2,999 NZD
View
B+
Retailer 7
-
$3,102 NZD
View
A
Retailer 8
-
$3,136 NZD
View
A
Retailer 9
-
$3,202 NZD
View
B+
Retailer 10
-
$3,264 NZD
View
B+
Retailer 11
-
$3,271 NZD
View
B+
Retailer 12
-
$3,280 NZD
View
B+
Retailer 13
-
$3,855 NZD
View
B
Retailer 14
-
$4,568 NZD
View
B
Retailer 15
-
$5,518 NZD
View
Most Expensive
NZ Jewellers
4a6abdf3-a49c-481c-aab1-61bd85586a3c · Oct 23
$7,165 NZD
$4,028 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $2,231 NZDSave up to $3,287 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
$2,231 NZD