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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

EX • F/I1 • GIA 3555674289

Certificate GIA 3555674289

Diamond specifications and retailer prices

From £3,403 GBP
$4,566 USD
As of October 30, 2026
Save £3,731 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £7,134 GBP at NZ Jewellers · As of October 30, 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 3555674289. Listed at 10 retailers as of October 30, 2026, with prices from £3,403 to £7,134, a £3,731 spread on the same certified stone. NZ Jewellers lists it at £7,134. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555674289
Dimensions7.33 × 7.38 × 4.54 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
7.33 mm7.38 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555674289
Side View
Table 60.0%Crown 33.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: £7,134 GBP|Low: £3,403 GBP|High: £7,134 GBP|Avg: £4,517 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5£3,403 GBP
Retailer 3£3,865 GBP
Retailer 4£3,865 GBP
Retailer 7£4,112 GBP
Retailer 8£4,367 GBP
Retailer 9£4,367 GBP
Retailer 6£4,458 GBP
Retailer 10£4,508 GBP
Retailer 2£4,828 GBP
NZ Jewellers£7,134 GBP

22 data points across 10 retailers

10 retailers£3,403 GBP to £7,134 GBP

A
Cheapest Retailer
-
£3,403 GBP
$4,566 USD
B+
Retailer 2
-
£3,865 GBP
$5,186 USD
View
B+
Retailer 3
-
£3,865 GBP
$5,186 USD
View
B+
Retailer 4
-
£4,112 GBP
$5,518 USD
View
B+
Retailer 5
-
£4,367 GBP
$5,860 USD
View
B
Retailer 6
-
£4,367 GBP
$5,860 USD
View
B+
Retailer 7
-
£4,458 GBP
$5,983 USD
View
B
Retailer 8
-
£4,508 GBP
$6,050 USD
View
B+
Retailer 9
-
£4,828 GBP
€6,170 EUR
View
Most Expensive
B
NZ Jewellers
4dc149b3-5526-4562-b583-fa90b9ffd56c · Oct 30
£7,134 GBP
$9,573 USD
View
9 more retailers have this diamond
Prices start from £3,403 GBPSave up to £3,731 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
£3,403 GBP