Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565232993

Certificate GIA 1565232993

Diamond specifications and retailer prices

From £2,996 GBP
As of November 4, 2026
Save £3,699 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,695 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 1565232993. Listed at 16 retailers as of November 4, 2026, with prices from £2,996 to £6,695, a £3,699 spread on the same certified stone. NZ Jewellers lists it at £6,695. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1565232993
Dimensions6.93 × 6.98 × 4.33 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.93 mm6.98 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565232993
Side View
Table 59.0%Crown 34°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.3%

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: Nov 4
Current: £6,695 GBP|Low: £2,976 GBP|High: £6,853 GBP|Avg: £4,205 GBP|-2.3%
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
November 6, 2026
Retailer 13£2,996 GBP
Retailer 2£3,014 GBP
Retailer 7£3,418 GBP
Retailer 6£3,600 GBP
Retailer 4£3,695 GBP
Retailer 5£3,815 GBP
Retailer 8£3,831 GBP
Retailer 11£4,003 GBP
Retailer 12£4,003 GBP
Retailer 3£4,191 GBP
Retailer 10£4,285 GBP
Retailer 15£4,619 GBP
Retailer 14£4,621 GBP
Retailer 9£6,359 GBP
NZ Jewellers£6,695 GBP

27 data points across 15 retailers

16 retailers£2,996 GBP to £6,695 GBP

A
Cheapest Retailer
-
£2,996 GBP
A
Retailer 2
-
£3,014 GBP
View
A
Retailer 3
-
£3,418 GBP
View
B+
Retailer 4
-
£3,600 GBP
View
B+
Retailer 5
-
£3,695 GBP
View
Final sale: no returns
Retailer 6
-
£3,815 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£3,831 GBP
View
B+
Retailer 8
-
£4,003 GBP
View
B+
Retailer 9
-
£4,003 GBP
View
Retailer 10
-
£4,152 GBP
View
Price last confirmed 28 days ago
B+
Retailer 11
-
£4,191 GBP
View
B+
Retailer 12
-
£4,285 GBP
View
B+
Retailer 13
-
£4,619 GBP
View
B
Retailer 14
-
£4,621 GBP
View
B
Retailer 15
-
£6,359 GBP
View
Most Expensive
B
NZ Jewellers
b22715bd-fd4a-4e5a-80f3-ea46f95bba86 · Nov 5
£6,695 GBP
$9,011 USD
View
15 more retailers have this diamond
Prices start from £2,996 GBPSave up to £3,699 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
£2,996 GBP