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Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2564101820

Certificate GIA 2564101820

Diamond specifications and retailer prices

From $5,564 SGD
As of November 5, 2026
Save $7,429 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,993 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564101820. Listed at 16 retailers as of November 5, 2026, with prices from $5,564 to $12,993, a $7,429 spread on the same certified stone. NZ Jewellers lists it at $12,993. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564101820
Dimensions6.97 × 7.01 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.97 mm7.01 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564101820
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

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 5
Current: $7,625 SGD|Low: $5,564 SGD|High: $11,567 SGD|Avg: $7,864 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$5,564 SGD
Retailer 8$6,118 SGD
Retailer 2$6,190 SGD
Retailer 11$7,236 SGD
Retailer 9$7,330 SGD
Retailer 1$7,625 SGD
Retailer 3$7,719 SGD
Retailer 5$7,904 SGD
Retailer 6$8,578 SGD
Retailer 4$9,071 SGD
Retailer 10$11,413 SGD

38 data points across 11 retailers

16 retailers$5,564 SGD to $12,993 SGD

A
Cheapest Retailer
-
$5,564 SGD
A
Retailer 2
-
$6,118 SGD
View
A
Retailer 3
-
$6,190 SGD
View
Final sale: no returns
B+
Retailer 4
-
$6,775 SGD
View
B+
Retailer 5
-
$7,236 SGD
View
B+
Retailer 6
-
$7,330 SGD
View
B+
Retailer 7
-
$7,625 SGD
View
Retailer 8
-
$7,719 SGD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$7,769 SGD
View
Retailer 10
-
$7,769 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$7,769 SGD
View
B+
Retailer 12
-
$7,904 SGD
View
B
Retailer 13
-
$8,578 SGD
View
B+
Retailer 14
-
$9,071 SGD
View
B
Retailer 15
-
$11,413 SGD
View
Most Expensive
B
NZ Jewellers
35f05874-dbfd-4f90-be40-5e164d6b2531 · Nov 5
$12,993 SGD
$10,172 USD
View
15 more retailers have this diamond
Prices start from $5,564 SGDSave up to $7,429 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
$5,564 SGD