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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 $4,356 USD
As of November 5, 2026
Save $5,816 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,172 USD 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 $4,356 to $10,172, a $5,816 spread on the same certified stone. NZ Jewellers lists it at $10,172. 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
Color
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: $5,970 USD|Low: $4,356 USD|High: $9,056 USD|Avg: $6,157 USD
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$4,356 USD
Retailer 8$4,790 USD
Retailer 2$4,846 USD
Retailer 11$5,665 USD
Retailer 9$5,739 USD
Retailer 1$5,970 USD
Retailer 3$6,043 USD
Retailer 5$6,188 USD
Retailer 6$6,716 USD
Retailer 4$7,102 USD
Retailer 10$8,935 USD

38 data points across 11 retailers

16 retailers$4,356 USD to $10,172 USD

A
Cheapest Retailer
-
$4,356 USD
A
Retailer 2
-
$4,790 USD
View
A
Retailer 3
-
$4,846 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,304 USD
View
B+
Retailer 5
-
$5,665 USD
View
B+
Retailer 6
-
$5,739 USD
View
B+
Retailer 7
-
$5,970 USD
View
Retailer 8
-
$6,043 USD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$6,082 USD
View
Retailer 10
-
$6,082 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$6,082 USD
View
B+
Retailer 12
-
$6,188 USD
View
B
Retailer 13
-
$6,716 USD
View
B+
Retailer 14
-
$7,102 USD
View
B
Retailer 15
-
$8,935 USD
View
Most Expensive
B
NZ Jewellers
35f05874-dbfd-4f90-be40-5e164d6b2531 · Nov 5
$10,172 USD
View
15 more retailers have this diamond
Prices start from $4,356 USDSave up to $5,816 USD

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
$4,356 USD