Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7523712213

Certificate GIA 7523712213

Diamond specifications and retailer prices

From £3,930 GBP
$5,233 USD
As of October 30, 2026
Save £3,436 GBP (47%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £8,317 GBP at NZ Jewellers · As of October 3, 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 7523712213. Listed at 23 retailers as of October 29, 2026, with a 87% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7523712213
Dimensions6.96 × 6.93 × 4.36 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.96 mm6.93 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7523712213
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: £4,799 GBP|Low: £3,812 GBP|High: £7,415 GBP|Avg: £5,079 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2£3,930 GBP
Retailer 4£4,016 GBP
Retailer 11£4,158 GBP
Retailer 14£4,201 GBP
Retailer 6£4,443 GBP
Retailer 7£4,738 GBP
Retailer 9£4,768 GBP
Retailer 1£4,799 GBP
Retailer 13£4,877 GBP
Retailer 8£5,434 GBP
Retailer 5£5,483 GBP
Retailer 3£5,996 GBP
Retailer 12£6,981 GBP
Retailer 10£7,365 GBP

13 data points across 14 retailers

23 retailers£3,930 GBP to £7,365 GBP

A
Cheapest Retailer
-
£3,930 GBP
$5,233 USD
A
Retailer 2
-
£4,016 GBP
$5,348 USD
View
B+
Retailer 3
-
£4,158 GBP
$5,537 USD
View
Final sale: no returns
B+
Retailer 4
-
£4,201 GBP
$5,595 USD
View
B+
Retailer 5
-
£4,443 GBP
$5,917 USD
View
B+
Retailer 6
-
£4,505 GBP
$5,999 USD
View
B+
Retailer 7
-
£4,505 GBP
$5,999 USD
View
B+
Retailer 8
-
£4,505 GBP
$5,999 USD
View
Retailer 9
-
£4,505 GBP
$5,999 USD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£4,738 GBP
View
B+
Retailer 11
-
£4,768 GBP
$6,350 USD
View
Retailer 12
-
£4,768 GBP
$6,350 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£4,799 GBP
View
B+
Retailer 14
-
£4,828 GBP
$6,430 USD
View
B+
Retailer 15
-
£4,828 GBP
$6,430 USD
View
Retailer 16
-
£4,877 GBP
A$9,991 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
£4,986 GBP
$6,640 USD
View
Retailer 18
-
£5,198 GBP
$6,922 USD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
£5,434 GBP
€6,892 EUR
View
Retailer 20
-
£5,483 GBP
$7,301 USD
View
Price last confirmed 24 days ago
B
Retailer 21
-
£6,981 GBP
View
B
Retailer 22
-
£7,365 GBP
View
Most Expensive
NZ Jewellers
e07d50eb-a8b2-47c4-b07d-53fb40714e4b · Oct 3
£8,317 GBP
$11,076 USD
View
Price last confirmed 27 days ago
22 more retailers have this diamond
Prices start from £3,930 GBPSave up to £3,436 GBP

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
£3,930 GBP