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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5553178312

Certificate GIA 5553178312

Diamond specifications and retailer prices

From $3,967 SGD
$3,103 USD
As of October 30, 2026
Save $4,222 SGD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,693 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553178312. Listed at 11 retailers as of October 29, 2026, with a 106% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553178312
Dimensions7.05 × 6.99 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.05 mm6.99 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553178312
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

Caratlytics Score

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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: Oct 30
Current: $7,206 SGD|Low: $3,108 SGD|High: $8,243 SGD|Avg: $4,837 SGD
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
October 31, 2026
Retailer 10$3,108 SGD
Retailer 4$3,747 SGD
Retailer 13$3,852 SGD
Retailer 8$3,967 SGD
Retailer 12$4,136 SGD
Retailer 3$4,157 SGD
Retailer 11$4,772 SGD
Retailer 7$4,953 SGD
Retailer 5$4,957 SGD
Retailer 9$5,177 SGD
Retailer 2$5,506 SGD
NZ Jewellers$7,206 SGD
Retailer 6$8,189 SGD

25 data points across 13 retailers

11 retailers$3,967 SGD to $8,189 SGD

A
Cheapest Retailer
-
$3,967 SGD
$3,103 USD
Final sale: no returns
A
Retailer 2
-
$4,152 SGD
A$4,997 AUD
View
Retailer 3
-
$4,494 SGD
$3,515 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$4,953 SGD
£3,051 GBP
View
Retailer 5
-
$4,990 SGD
$3,903 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$4,990 SGD
$3,903 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$5,177 SGD
$4,050 USD
View
A
Retailer 8
-
$5,506 SGD
€4,102 EUR
View
Retailer 9
-
$5,758 SGD
$4,504 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$8,189 SGD
£5,044 GBP
View
Most Expensive
NZ Jewellers
fbeeebe6-7d66-4b3e-8316-f3e6c4fcc989 · Sep 28
$8,693 SGD
$6,800 USD
View
Price last confirmed 33 days ago
10 more retailers have this diamond
Prices start from $3,967 SGDSave up to $4,222 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
$3,967 SGD