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Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7551285934

Certificate GIA 7551285934

Diamond specifications and retailer prices

From $2,174 SGD
As of November 4, 2026
Save $3,797 SGD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,971 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551285934. Listed at 14 retailers as of November 4, 2026, with prices from $2,174 to $5,971, a $3,797 spread on the same certified stone. NZ Jewellers lists it at $5,971. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551285934
Dimensions6.93 × 6.88 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.93 mm6.88 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551285934
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $5,971 SGD|Low: $2,174 SGD|High: $6,432 SGD|Avg: $3,185 SGD|-7.2%
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
November 6, 2026
Retailer 10$2,174 SGD
Retailer 5$2,359 SGD
Retailer 12$2,389 SGD
Retailer 4$2,408 SGD
Retailer 13$2,422 SGD
Retailer 14$2,588 SGD
Retailer 6$2,612 SGD
Retailer 9$2,708 SGD
Retailer 3$2,791 SGD
Retailer 11$2,986 SGD
Retailer 2$3,086 SGD
Retailer 7$3,636 SGD
Retailer 8$4,990 SGD
NZ Jewellers$5,971 SGD

33 data points across 14 retailers

14 retailers$2,174 SGD to $5,971 SGD

A
Cheapest Retailer
-
$2,174 SGD
A
Retailer 2
-
$2,359 SGD
View
A
Retailer 3
-
$2,389 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,408 SGD
View
A
Retailer 5
-
$2,422 SGD
View
A
Retailer 6
-
$2,588 SGD
View
Retailer 7
-
$2,612 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,708 SGD
View
A
Retailer 9
-
$2,791 SGD
View
A
Retailer 10
-
$2,986 SGD
View
A
Retailer 11
-
$3,086 SGD
View
B+
Retailer 12
-
$3,636 SGD
View
B
Retailer 13
-
$4,990 SGD
View
Most Expensive
B
NZ Jewellers
0b48020f-87f4-4926-a40e-2acf5ca38a11 · Nov 5
$5,971 SGD
$4,675 USD
View
13 more retailers have this diamond
Prices start from $2,174 SGDSave up to $3,797 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
$2,174 SGD