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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7552962813

Certificate GIA 7552962813

Diamond specifications and retailer prices

From $2,583 SGD
As of November 4, 2026
Save $4,554 SGD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,136 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552962813. Listed at 17 retailers as of November 4, 2026, with prices from $2,583 to $7,136, a $4,554 spread on the same certified stone. NZ Jewellers lists it at $7,136. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7552962813
Dimensions6.89 × 6.94 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.89 mm6.94 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7552962813
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 4
Current: $7,136 SGD|Low: $2,157 SGD|High: $7,258 SGD|Avg: $3,379 SGD|+13.4%
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
November 6, 2026
Retailer 5$2,583 SGD
Retailer 12$2,695 SGD
Retailer 6$2,793 SGD
Retailer 13$2,797 SGD
Retailer 4$2,853 SGD
Retailer 3$2,855 SGD
Retailer 14$2,871 SGD
Retailer 8$3,040 SGD
Retailer 7$3,092 SGD
Retailer 15$3,235 SGD
Retailer 16$3,569 SGD
Retailer 2$3,590 SGD
Retailer 9$3,983 SGD
Retailer 10$4,167 SGD
Retailer 11$5,964 SGD
NZ Jewellers$7,136 SGD

23 data points across 16 retailers

17 retailers$2,583 SGD to $7,136 SGD

A
Cheapest Retailer
-
$2,583 SGD
A
Retailer 2
-
$2,695 SGD
View
A
Retailer 3
-
$2,793 SGD
View
A
Retailer 4
-
$2,797 SGD
View
B+
Retailer 5
-
$2,853 SGD
View
B+
Retailer 6
-
$2,855 SGD
View
Final sale: no returns
A
Retailer 7
-
$2,871 SGD
View
A
Retailer 8
-
$3,028 SGD
View
Retailer 9
-
$3,040 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,092 SGD
View
B+
Retailer 11
-
$3,235 SGD
View
B+
Retailer 12
-
$3,569 SGD
View
B+
Retailer 13
-
$3,590 SGD
View
B
Retailer 14
-
$3,983 SGD
View
B
Retailer 15
-
$4,167 SGD
View
B
Retailer 16
-
$5,964 SGD
View
Most Expensive
C
NZ Jewellers
b5b6782a-54cf-498b-a633-c457fc6742ca · Nov 5
$7,136 SGD
$5,587 USD
View
16 more retailers have this diamond
Prices start from $2,583 SGDSave up to $4,554 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
1.30ct Round
$2,583 SGD