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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 $2,566 SGD
As of November 4, 2026
Save $3,940 SGD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,507 SGD 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 4, 2026, with prices from $2,566 to $6,507, a $3,940 spread on the same certified stone. NZ Jewellers lists it at $6,507. 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 4
Current: $6,507 SGD|Low: $2,389 SGD|High: $6,707 SGD|Avg: $3,497 SGD|-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$2,389 SGD
Retailer 4$2,566 SGD
Retailer 9$2,811 SGD
Retailer 5$3,112 SGD
Retailer 7$3,112 SGD
Retailer 11$3,192 SGD
Retailer 6$3,256 SGD
Retailer 8$3,590 SGD
Retailer 2$3,855 SGD
Retailer 10$3,888 SGD
NZ Jewellers$6,507 SGD

17 data points across 11 retailers

8 retailers$2,566 SGD to $6,507 SGD

B+
Cheapest Retailer
-
$2,566 SGD
B+
Retailer 2
-
$2,811 SGD
View
B+
Retailer 3
-
$3,112 SGD
View
Retailer 4
-
$3,112 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,256 SGD
View
B
Retailer 6
-
$3,590 SGD
View
B
Retailer 7
-
$3,855 SGD
View
Most Expensive
C
NZ Jewellers
98e8e96b-62c4-4cf5-99f4-b36f66dbe740 · Nov 5
$6,507 SGD
$5,094 USD
View
7 more retailers have this diamond
Prices start from $2,566 SGDSave up to $3,940 SGD

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
$2,566 SGD