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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

EX • F/I1 • GIA 1513950008

Certificate GIA 1513950008

Diamond specifications and retailer prices

From £3,281 GBP
HK$34,400 HKD
As of November 1, 2026
Save £4,175 GBP (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,456 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1513950008. Listed at 11 retailers as of November 1, 2026, with prices from £3,281 to £7,456, a £4,175 spread on the same certified stone. NZ Jewellers lists it at £7,456. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1513950008
Dimensions7.27 × 7.33 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Indented Natural, Needle, Natural
Top View
7.27 mm7.33 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1513950008
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: £7,456 GBP|Low: £3,253 GBP|High: £8,051 GBP|Avg: £4,929 GBP|-7.4%
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
November 1, 2026
Retailer 7£3,281 GBP
Retailer 6£3,522 GBP
Retailer 3£4,039 GBP
Retailer 8£4,039 GBP
Retailer 10£4,039 GBP
Retailer 9£4,516 GBP
Retailer 13£4,516 GBP
Retailer 12£4,660 GBP
Retailer 11£4,665 GBP
Retailer 2£4,850 GBP
Retailer 4£5,739 GBP
Retailer 5£6,811 GBP
NZ Jewellers£7,456 GBP

22 data points across 13 retailers

11 retailers£3,281 GBP to £7,456 GBP

A
Cheapest Retailer
-
£3,281 GBP
HK$34,400 HKD
B+
Retailer 2
-
£3,522 GBP
$4,726 USD
View
B+
Retailer 3
-
£4,039 GBP
$5,420 USD
View
B+
Retailer 4
-
£4,039 GBP
$5,420 USD
View
B+
Retailer 5
-
£4,039 GBP
$5,420 USD
View
B
Retailer 6
-
£4,516 GBP
$6,060 USD
View
B
Retailer 7
-
£4,516 GBP
$6,060 USD
View
B+
Retailer 8
-
£4,660 GBP
$6,254 USD
View
B+
Retailer 9
-
£4,665 GBP
$6,260 USD
View
B+
Retailer 10
-
£4,850 GBP
€6,199 EUR
View
Most Expensive
B
NZ Jewellers
4f15346b-7b4a-4de0-be46-808cded18b20 · Nov 2
£7,456 GBP
$10,006 USD
View
10 more retailers have this diamond
Prices start from £3,281 GBPSave up to £4,175 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
1.51ct Round
£3,281 GBP