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Round|Natural|GIA

1.01ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1236390802

Certificate GIA 1236390802

Diamond specifications and retailer prices

From $2,825 NZD
As of November 6, 2026
Save $5,680 NZD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,505 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 very-good cut grade and certified by GIA 1236390802. Listed at 15 retailers as of November 5, 2026, with prices from $2,825 to $8,505, a $5,680 spread on the same certified stone. NZ Jewellers lists it at $8,505. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1236390802
Dimensions6.32 × 6.25 × 4.04 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 1236390802, HRD Antwerp 220000014950
Top View
6.32 mm6.25 mm1.01 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236390802
Side View
Table 58.0%Crown 36°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,505 NZD|Low: $2,825 NZD|High: $8,505 NZD|Avg: $4,208 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
November 6, 2026
Retailer 11$2,825 NZD
Retailer 8$2,878 NZD
Retailer 9$2,953 NZD
Retailer 4$3,159 NZD
Retailer 12$3,159 NZD
Retailer 10$3,305 NZD
Retailer 3$3,645 NZD
Retailer 2$3,741 NZD
Retailer 5$4,100 NZD
Retailer 6$4,417 NZD
Retailer 7$6,093 NZD
NZ Jewellers$8,505 NZD

41 data points across 12 retailers

15 retailers$2,825 NZD to $8,505 NZD

B+
Cheapest Retailer
-
$2,825 NZD
B+
Retailer 2
-
$2,843 NZD
View
B+
Retailer 3
-
$2,878 NZD
View
B+
Retailer 4
-
$2,953 NZD
View
B+
Retailer 5
-
$2,965 NZD
View
B+
Retailer 6
-
$3,074 NZD
View
B+
Retailer 7
-
$3,159 NZD
View
Retailer 8
-
$3,159 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,305 NZD
View
B+
Retailer 10
-
$3,645 NZD
View
B+
Retailer 11
-
$3,741 NZD
View
B
Retailer 12
-
$4,100 NZD
View
B
Retailer 13
-
$4,417 NZD
View
B
Retailer 14
-
$6,093 NZD
View
Most Expensive
C
NZ Jewellers
5aa44d12-82cf-4380-96fc-42675d74002c · Nov 5
$8,505 NZD
$4,781 USD
View
14 more retailers have this diamond
Prices start from $2,825 NZDSave up to $5,680 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.

B+
1.01ct Round
$2,825 NZD