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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2567153963

Certificate GIA 2567153963

Diamond specifications and retailer prices

From $1,970 SGD
As of November 5, 2026
Save $3,902 SGD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,872 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 2567153963. Listed at 16 retailers as of November 5, 2026, with prices from $1,970 to $5,872, a $3,902 spread on the same certified stone. NZ Jewellers lists it at $5,872. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567153963
Dimensions6.91 × 6.97 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
6.91 mm6.97 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567153963
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 5
Current: $2,520 SGD|Low: $1,970 SGD|High: $4,979 SGD|Avg: $3,259 SGD|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,970 SGD
Retailer 1$2,520 SGD
Retailer 3$2,810 SGD
Retailer 4$2,845 SGD
Retailer 2$2,880 SGD
Retailer 10$2,993 SGD
Retailer 6$3,040 SGD
Retailer 5$3,349 SGD
Retailer 8$3,428 SGD
Retailer 9$4,906 SGD

31 data points across 10 retailers

16 retailers$1,970 SGD to $5,872 SGD

A
Cheapest Retailer
-
$1,970 SGD
A
Retailer 2
-
$2,520 SGD
View
A
Retailer 3
-
$2,537 SGD
View
A
Retailer 4
-
$2,809 SGD
View
A
Retailer 5
-
$2,810 SGD
View
A
Retailer 6
-
$2,829 SGD
View
A
Retailer 7
-
$2,845 SGD
View
A
Retailer 8
-
$2,880 SGD
View
Retailer 9
-
$2,912 SGD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$2,938 SGD
View
A
Retailer 11
-
$2,993 SGD
View
A
Retailer 12
-
$3,040 SGD
View
A
Retailer 13
-
$3,349 SGD
View
B+
Retailer 14
-
$3,428 SGD
View
B
Retailer 15
-
$4,906 SGD
View
Most Expensive
B
NZ Jewellers
971c76ed-7970-4c2e-8b78-b3f5b9ec9263 · Nov 5
$5,872 SGD
$4,597 USD
View
15 more retailers have this diamond
Prices start from $1,970 SGDSave up to $3,902 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
$1,970 SGD