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Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2567068702

Certificate GIA 2567068702

Diamond specifications and retailer prices

From £3,670 GBP
As of November 1, 2026
Save £3,551 GBP (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,221 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 2567068702. Listed at 13 retailers as of November 1, 2026, with prices from £3,670 to £7,221, a £3,551 spread on the same certified stone. NZ Jewellers lists it at £7,221. 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 angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2567068702
Dimensions6.96 × 6.92 × 4.38 mm
L/W Ratio1.01
Star length50%
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.96 mm6.92 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567068702
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £7,221 GBP|Low: £3,403 GBP|High: £7,270 GBP|Avg: £4,654 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4£3,670 GBP
Retailer 3£3,864 GBP
Retailer 6£3,904 GBP
Retailer 2£4,047 GBP
Retailer 9£4,318 GBP
Retailer 10£4,318 GBP
Retailer 12£4,505 GBP
Retailer 5£4,541 GBP
Retailer 7£4,618 GBP
Retailer 11£4,982 GBP
Retailer 8£6,718 GBP
NZ Jewellers£7,221 GBP

35 data points across 12 retailers

13 retailers£3,670 GBP to £7,221 GBP

B+
Cheapest Retailer
-
£3,670 GBP
B+
Retailer 2
-
£3,864 GBP
View
B+
Retailer 3
-
£3,869 GBP
View
B+
Retailer 4
-
£3,904 GBP
View
Final sale: no returns
B+
Retailer 5
-
£4,047 GBP
View
B+
Retailer 6
-
£4,318 GBP
View
B+
Retailer 7
-
£4,318 GBP
View
B+
Retailer 8
-
£4,505 GBP
View
B+
Retailer 9
-
£4,541 GBP
View
B+
Retailer 10
-
£4,618 GBP
View
B+
Retailer 11
-
£4,982 GBP
View
B
Retailer 12
-
£6,718 GBP
View
Most Expensive
B
NZ Jewellers
78f530fe-c89c-4df0-9a00-cea800c7e581 · Nov 5
£7,221 GBP
$9,719 USD
View
12 more retailers have this diamond
Prices start from £3,670 GBPSave up to £3,551 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.

B+
1.30ct Round
£3,670 GBP