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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558130488

Certificate GIA 7558130488

Diamond specifications and retailer prices

From $5,639 SGD
As of November 4, 2026
Save $5,701 SGD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,939 SGD at NZ Jewellers · As of September 10, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558130488. Listed at 16 retailers as of November 4, 2026, with a 101% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558130488
Dimensions6.92 × 6.97 × 4.39 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Knot, Feather, Needle, Indented Natural
Top View
6.92 mm6.97 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558130488
Side View
Table 58.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 63.2%

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 4
Current: $7,667 SGD|Low: $5,639 SGD|High: $11,957 SGD|Avg: $7,487 SGD|+2.1%
Retailer 1
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 3$5,639 SGD
Retailer 7$6,062 SGD
Retailer 16$6,081 SGD
Retailer 5$6,405 SGD
Retailer 6$6,467 SGD
Retailer 12$6,491 SGD
Retailer 8$6,522 SGD
Retailer 13$6,792 SGD
Retailer 9$6,855 SGD
Retailer 15$7,150 SGD
Retailer 14$7,547 SGD
Retailer 1$7,667 SGD
Retailer 2$7,877 SGD
Retailer 11$8,774 SGD
Retailer 4$10,442 SGD
Retailer 10$11,340 SGD

38 data points across 16 retailers

16 retailers$5,639 SGD to $11,340 SGD

A
Cheapest Retailer
-
$5,639 SGD
B+
Retailer 2
-
$6,081 SGD
View
B+
Retailer 3
-
$6,405 SGD
View
Retailer 4
-
$6,467 SGD
View
Price last confirmed 56 days ago
B+
Retailer 5
-
$6,491 SGD
View
B+
Retailer 6
-
$6,792 SGD
View
B+
Retailer 7
-
$6,855 SGD
View
Retailer 8
-
$7,150 SGD
View
Price last confirmed 28 days ago
Retailer 9
-
$7,463 SGD
View
Price last confirmed 60 days ago
B
Retailer 10
-
$7,547 SGD
View
B+
Retailer 11
-
$7,667 SGD
View
Retailer 12
-
$7,877 SGD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$8,774 SGD
View
B
Retailer 14
-
$10,442 SGD
View
B
Retailer 15
-
$11,340 SGD
View
Most Expensive
NZ Jewellers
ace354a6-b53f-42f0-9e5d-5103f7c77a96 · Sep 10
$11,939 SGD
$9,316 USD
View
Price last confirmed 57 days ago
15 more retailers have this diamond
Prices start from $5,639 SGDSave up to $5,701 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
$5,639 SGD