CaratHunter
Plans
Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6551576530

Certificate GIA 6551576530

Diamond specifications and retailer prices

From $2,949 SGD
As of November 6, 2026
Save $2,364 SGD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,357 SGD at NZ Jewellers · As of September 28, 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 6551576530. Listed at 9 retailers as of November 4, 2026, with a 80% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551576530
Dimensions7.00 × 6.97 × 4.27 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
7.00 mm6.97 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551576530
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: $2,949 SGD|Low: $2,948 SGD|High: $5,391 SGD|Avg: $3,893 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$2,949 SGD
Retailer 2$3,198 SGD
Retailer 3$3,768 SGD
Retailer 4$5,314 SGD

43 data points across 4 retailers

9 retailers$2,949 SGD to $5,314 SGD

A
Cheapest Retailer
-
$2,949 SGD
Retailer 2
-
$3,041 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$3,041 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,182 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$3,198 SGD
View
Retailer 6
-
$3,509 SGD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$3,768 SGD
View
B
Retailer 8
-
$5,314 SGD
View
Most Expensive
NZ Jewellers
d3ba0be1-2a33-4eda-9c4c-65060e52b908 · Sep 28
$6,357 SGD
$4,977 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from $2,949 SGDSave up to $2,364 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
$2,949 SGD