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Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1558372388

Certificate GIA 1558372388

Diamond specifications and retailer prices

From $2,436 SGD
As of November 4, 2026
Save $4,252 SGD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,688 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 1558372388. Listed at 15 retailers as of November 4, 2026, with prices from $2,436 to $6,688, a $4,252 spread on the same certified stone. NZ Jewellers lists it at $6,688. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558372388
Dimensions6.92 × 6.95 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.92 mm6.95 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558372388
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: $6,688 SGD|Low: $2,371 SGD|High: $6,725 SGD|Avg: $3,312 SGD|-0.6%
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
November 6, 2026
Retailer 10$2,436 SGD
Retailer 11$2,529 SGD
Retailer 5$2,603 SGD
Retailer 14$2,618 SGD
Retailer 13$2,675 SGD
Retailer 15$2,680 SGD
Retailer 6$2,790 SGD
Retailer 7$2,851 SGD
Retailer 3$2,898 SGD
Retailer 9$3,032 SGD
Retailer 12$3,344 SGD
Retailer 2$3,364 SGD
Retailer 8$3,730 SGD
Retailer 4$5,512 SGD
NZ Jewellers$6,688 SGD

31 data points across 15 retailers

15 retailers$2,436 SGD to $6,688 SGD

A
Cheapest Retailer
-
$2,436 SGD
A
Retailer 2
-
$2,529 SGD
View
A
Retailer 3
-
$2,603 SGD
View
A
Retailer 4
-
$2,618 SGD
View
A
Retailer 5
-
$2,675 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,680 SGD
View
A
Retailer 7
-
$2,790 SGD
View
Retailer 8
-
$2,851 SGD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,898 SGD
View
A
Retailer 10
-
$3,032 SGD
View
B+
Retailer 11
-
$3,344 SGD
View
B+
Retailer 12
-
$3,364 SGD
View
B+
Retailer 13
-
$3,730 SGD
View
B
Retailer 14
-
$5,512 SGD
View
Most Expensive
B
NZ Jewellers
eb213151-6507-4408-8adc-17db97831ab7 · Nov 5
$6,688 SGD
$5,236 USD
View
14 more retailers have this diamond
Prices start from $2,436 SGDSave up to $4,252 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
$2,436 SGD