Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 7561186393

Certificate GIA 7561186393

Diamond specifications and retailer prices

From £3,414 GBP
As of November 4, 2026
Save £4,279 GBP (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £7,693 GBP 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561186393. Listed at 16 retailers as of November 4, 2026, with prices from £3,414 to £7,693, a £4,279 spread on the same certified stone. NZ Jewellers lists it at £7,693. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7561186393
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.90 mm6.94 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561186393
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 4
Current: £7,693 GBP|Low: £3,385 GBP|High: £7,793 GBP|Avg: £4,706 GBP|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 14£3,414 GBP
Retailer 2£3,429 GBP
Retailer 7£3,860 GBP
Retailer 5£3,894 GBP
Retailer 6£4,066 GBP
Retailer 4£4,246 GBP
Retailer 9£4,401 GBP
Retailer 12£4,600 GBP
Retailer 13£4,600 GBP
Retailer 16£4,603 GBP
Retailer 8£4,636 GBP
Retailer 11£4,708 GBP
Retailer 3£4,786 GBP
Retailer 15£5,307 GBP
Retailer 10£6,759 GBP
NZ Jewellers£7,693 GBP

27 data points across 16 retailers

16 retailers£3,414 GBP to £7,693 GBP

A
Cheapest Retailer
-
£3,414 GBP
A
Retailer 2
-
£3,429 GBP
View
B+
Retailer 3
-
£3,860 GBP
View
Retailer 4
-
£3,894 GBP
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£4,066 GBP
View
B
Retailer 6
-
£4,246 GBP
View
Final sale: no returns
B+
Retailer 7
-
£4,401 GBP
View
B+
Retailer 8
-
£4,600 GBP
View
B+
Retailer 9
-
£4,600 GBP
View
B+
Retailer 10
-
£4,603 GBP
View
Retailer 11
-
£4,636 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
£4,708 GBP
View
B+
Retailer 13
-
£4,786 GBP
View
B
Retailer 14
-
£5,307 GBP
View
B
Retailer 15
-
£6,759 GBP
View
Most Expensive
B
NZ Jewellers
f0565347-f9c1-4700-aa10-88ffbacf7206 · Nov 5
£7,693 GBP
$10,354 USD
View
15 more retailers have this diamond
Prices start from £3,414 GBPSave up to £4,279 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
£3,414 GBP