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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2557511759

Certificate GIA 2557511759

Diamond specifications and retailer prices

From $3,244 SGD
As of November 2, 2026
Save $2,920 SGD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,546 SGD at NZ Jewellers · As of September 21, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557511759. Listed at 7 retailers as of November 2, 2026, with a 90% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557511759
Dimensions6.94 × 6.97 × 4.35 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.94 mm6.97 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557511759
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.5%

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 2
Current: $6,164 SGD|Low: $3,244 SGD|High: $6,399 SGD|Avg: $4,441 SGD|-2.5%
Retailer 1
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$3,244 SGD
Retailer 3$3,487 SGD
Retailer 1$6,164 SGD

29 data points across 3 retailers

7 retailers$3,244 SGD to $6,164 SGD

A
Cheapest Retailer
-
$3,244 SGD
Retailer 2
-
$3,487 SGD
View
Price last confirmed 31 days ago
Retailer 3
-
$3,556 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,610 SGD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,712 SGD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$6,164 SGD
View
Most Expensive
NZ Jewellers
924f90dd-6eee-4f93-a134-8cc34929c8a4 · Sep 21
$7,546 SGD
$5,908 USD
View
Price last confirmed 45 days ago
6 more retailers have this diamond
Prices start from $3,244 SGDSave up to $2,920 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
$3,244 SGD