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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 $2,870 AUD
As of November 6, 2026
Save $4,407 AUD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,277 AUD 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 $2,870 to $7,277, a $4,407 spread on the same certified stone. NZ Jewellers lists it at $7,277. 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: $7,277 AUD|Low: $2,671 AUD|High: $7,501 AUD|Avg: $3,911 AUD|-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$2,671 AUD
Retailer 4$2,870 AUD
Retailer 9$3,144 AUD
Retailer 5$3,480 AUD
Retailer 7$3,480 AUD
Retailer 11$3,570 AUD
Retailer 6$3,641 AUD
Retailer 8$4,016 AUD
Retailer 2$4,311 AUD
Retailer 10$4,348 AUD
NZ Jewellers$7,277 AUD

17 data points across 11 retailers

8 retailers$2,870 AUD to $7,277 AUD

B+
Cheapest Retailer
-
$2,870 AUD
B+
Retailer 2
-
$3,144 AUD
View
B+
Retailer 3
-
$3,480 AUD
View
Retailer 4
-
$3,480 AUD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,641 AUD
View
B
Retailer 6
-
$4,016 AUD
View
B
Retailer 7
-
$4,311 AUD
View
Most Expensive
C
NZ Jewellers
98e8e96b-62c4-4cf5-99f4-b36f66dbe740 · Nov 5
$7,277 AUD
$5,094 USD
View
7 more retailers have this diamond
Prices start from $2,870 AUDSave up to $4,407 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.

B+
1.31ct Round
$2,870 AUD