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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 $2,028 SGD
As of November 4, 2026
Save $4,078 SGD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,107 SGD 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 4, 2026, with prices from $2,028 to $6,107, a $4,078 spread on the same certified stone. NZ Jewellers lists it at $6,107. 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 4
Current: $6,107 SGD|Low: $2,028 SGD|High: $6,107 SGD|Avg: $3,022 SGD
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$2,028 SGD
Retailer 8$2,067 SGD
Retailer 9$2,120 SGD
Retailer 4$2,268 SGD
Retailer 12$2,268 SGD
Retailer 10$2,373 SGD
Retailer 3$2,617 SGD
Retailer 2$2,686 SGD
Retailer 5$2,944 SGD
Retailer 6$3,172 SGD
Retailer 7$4,375 SGD
NZ Jewellers$6,107 SGD

41 data points across 12 retailers

15 retailers$2,028 SGD to $6,107 SGD

B+
Cheapest Retailer
-
$2,028 SGD
B+
Retailer 2
-
$2,041 SGD
View
B+
Retailer 3
-
$2,067 SGD
View
B+
Retailer 4
-
$2,120 SGD
View
B+
Retailer 5
-
$2,129 SGD
View
B+
Retailer 6
-
$2,207 SGD
View
B+
Retailer 7
-
$2,268 SGD
View
Retailer 8
-
$2,268 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,373 SGD
View
B+
Retailer 10
-
$2,617 SGD
View
B+
Retailer 11
-
$2,686 SGD
View
B
Retailer 12
-
$2,944 SGD
View
B
Retailer 13
-
$3,172 SGD
View
B
Retailer 14
-
$4,375 SGD
View
Most Expensive
C
NZ Jewellers
5aa44d12-82cf-4380-96fc-42675d74002c · Nov 5
$6,107 SGD
$4,781 USD
View
14 more retailers have this diamond
Prices start from $2,028 SGDSave up to $4,078 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+
1.01ct Round
$2,028 SGD