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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 $3,103 USD
As of October 30, 2026
Save $3,303 USD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,800 USD 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
Color
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

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: Oct 30
Current: $5,637 USD|Low: $2,431 USD|High: $6,448 USD|Avg: $3,837 USD
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 11$2,431 USD
Retailer 4$2,931 USD
Retailer 13$3,013 USD
Retailer 8$3,103 USD
Retailer 3$3,252 USD
Retailer 12$3,733 USD
Retailer 7$3,874 USD
Retailer 5$3,877 USD
Retailer 10$3,903 USD
Retailer 9$4,050 USD
Retailer 2$4,307 USD
NZ Jewellers$5,637 USD
Retailer 6$6,406 USD

25 data points across 13 retailers

11 retailers$3,103 USD to $6,406 USD

A
Cheapest Retailer
-
$3,103 USD
Final sale: no returns
A
Retailer 2
-
$3,248 USD
A$4,997 AUD
View
Retailer 3
-
$3,515 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$3,874 USD
£3,051 GBP
View
Retailer 5
-
$3,903 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$3,903 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$4,050 USD
View
A
Retailer 8
-
$4,307 USD
€4,102 EUR
View
Retailer 9
-
$4,504 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$6,406 USD
£5,044 GBP
View
Most Expensive
NZ Jewellers
fbeeebe6-7d66-4b3e-8316-f3e6c4fcc989 · Sep 28
$6,800 USD
View
Price last confirmed 33 days ago
10 more retailers have this diamond
Prices start from $3,103 USDSave up to $3,303 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
$3,103 USD