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Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 2566303416

Certificate GIA 2566303416

Diamond specifications and retailer prices

From $1,569 SGD
As of November 6, 2026
Save $3,522 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,090 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2566303416. Listed at 19 retailers as of November 5, 2026, with prices from $1,569 to $5,090, a $3,522 spread on the same certified stone. NZ Jewellers lists it at $5,090. 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

1.03
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle40°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566303416
Dimensions6.07 × 6.19 × 4.10 mm
L/W Ratio1.02
Top View
6.07 mm6.19 mm1.03 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2566303416
Side View
Table 57.0%Crown 40°Girdle: THK-VTKPavilion 39.8°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,090 SGD|Low: $1,553 SGD|High: $5,090 SGD|Avg: $2,411 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 17$1,569 SGD
Retailer 13$1,583 SGD
Retailer 18$1,865 SGD
Retailer 5$1,934 SGD
Retailer 12$1,995 SGD
Retailer 3$2,087 SGD
Retailer 6$2,087 SGD
Retailer 7$2,128 SGD
Retailer 11$2,183 SGD
Retailer 10$2,184 SGD
Retailer 19$2,184 SGD
Retailer 4$2,261 SGD
Retailer 2$2,288 SGD
Retailer 9$2,408 SGD
Retailer 15$2,547 SGD
Retailer 14$2,671 SGD
Retailer 8$3,028 SGD
Retailer 16$3,645 SGD
NZ Jewellers$5,090 SGD

23 data points across 19 retailers

19 retailers$1,569 SGD to $5,090 SGD

B+
Cheapest Retailer
-
$1,569 SGD
A
Retailer 2
-
$1,583 SGD
View
B+
Retailer 3
-
$1,865 SGD
View
B+
Retailer 4
-
$1,934 SGD
View
B+
Retailer 5
-
$1,995 SGD
View
B+
Retailer 6
-
$2,087 SGD
View
Retailer 7
-
$2,087 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,128 SGD
View
B+
Retailer 9
-
$2,183 SGD
View
B+
Retailer 10
-
$2,184 SGD
View
Retailer 11
-
$2,184 SGD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$2,261 SGD
View
B+
Retailer 13
-
$2,288 SGD
View
B+
Retailer 14
-
$2,408 SGD
View
B+
Retailer 15
-
$2,547 SGD
View
B+
Retailer 16
-
$2,671 SGD
View
B
Retailer 17
-
$3,028 SGD
View
B
Retailer 18
-
$3,645 SGD
View
Most Expensive
C
NZ Jewellers
0a0e3b24-45db-46df-9aeb-255499903e82 · Nov 5
$5,090 SGD
$3,985 USD
View
18 more retailers have this diamond
Prices start from $1,569 SGDSave up to $3,522 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.

A
1.03ct Round
$1,569 SGD