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Round|Natural|GIA

1.00ct K I1 Round Natural Diamond

VG • K/I1 • GIA 1329430627

Certificate GIA 1329430627

Diamond specifications and retailer prices

From $1,520 SGD
As of November 4, 2026
Save $3,491 SGD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,011 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 1329430627. Listed at 10 retailers as of November 4, 2026, with prices from $1,520 to $5,011, a $3,491 spread on the same certified stone. NZ Jewellers lists it at $5,011. 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

1.00
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1329430627
Dimensions6.25 × 6.20 × 3.98 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud
Top View
6.25 mm6.20 mm1.00 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1329430627
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 64.0%

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: $5,011 SGD|Low: $1,503 SGD|High: $5,011 SGD|Avg: $2,419 SGD
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 4$1,520 SGD
Retailer 5$1,641 SGD
Retailer 3$1,904 SGD
Retailer 10$2,032 SGD
Retailer 6$2,054 SGD
Retailer 8$2,054 SGD
Retailer 7$2,150 SGD
Retailer 9$2,371 SGD
Retailer 11$2,475 SGD
Retailer 2$2,786 SGD
NZ Jewellers$5,011 SGD

21 data points across 11 retailers

10 retailers$1,520 SGD to $5,011 SGD

B+
Cheapest Retailer
-
$1,520 SGD
B+
Retailer 2
-
$1,641 SGD
View
B+
Retailer 3
-
$1,904 SGD
View
B
Retailer 4
-
$2,032 SGD
View
B
Retailer 5
-
$2,054 SGD
View
Retailer 6
-
$2,054 SGD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$2,150 SGD
View
B
Retailer 8
-
$2,371 SGD
View
B
Retailer 9
-
$2,786 SGD
View
Most Expensive
C
NZ Jewellers
a308b5e3-fab8-487f-851e-bb3c4a952bc0 · Nov 5
$5,011 SGD
$3,923 USD
View
9 more retailers have this diamond
Prices start from $1,520 SGDSave up to $3,491 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+
1.00ct Round
$1,520 SGD