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Round|Natural|GIA

1.31ct K I1 Round Natural Diamond

VG • K/I1 • GIA 6332787138

Certificate GIA 6332787138

Diamond specifications and retailer prices

From $3,574 NZD
As of November 6, 2026
Save $5,488 NZD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,062 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 6332787138. Listed at 8 retailers as of November 5, 2026, with prices from $3,574 to $9,062, a $5,488 spread on the same certified stone. NZ Jewellers lists it at $9,062. 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

1.31
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6332787138
Dimensions6.90 × 6.86 × 4.37 mm
L/W Ratio1.01
Top View
6.90 mm6.86 mm1.31 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6332787138
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 63.6%

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: $9,062 NZD|Low: $3,327 NZD|High: $9,341 NZD|Avg: $4,870 NZD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$3,327 NZD
Retailer 4$3,574 NZD
Retailer 9$3,915 NZD
Retailer 5$4,333 NZD
Retailer 7$4,333 NZD
Retailer 11$4,445 NZD
Retailer 6$4,534 NZD
Retailer 8$5,000 NZD
Retailer 2$5,369 NZD
Retailer 10$5,415 NZD
NZ Jewellers$9,062 NZD

17 data points across 11 retailers

8 retailers$3,574 NZD to $9,062 NZD

B+
Cheapest Retailer
-
$3,574 NZD
B+
Retailer 2
-
$3,915 NZD
View
B+
Retailer 3
-
$4,333 NZD
View
Retailer 4
-
$4,333 NZD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$4,534 NZD
View
B
Retailer 6
-
$5,000 NZD
View
B
Retailer 7
-
$5,369 NZD
View
Most Expensive
C
NZ Jewellers
98e8e96b-62c4-4cf5-99f4-b36f66dbe740 · Nov 5
$9,062 NZD
$5,094 USD
View
7 more retailers have this diamond
Prices start from $3,574 NZDSave up to $5,488 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+
1.31ct Round
$3,574 NZD