Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

VG • F/I1 • GIA 6234253695

Certificate GIA 6234253695

Diamond specifications and retailer prices

From £5,135 GBP
$6,891 USD
As of November 1, 2026
Save £5,834 GBP (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £10,969 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 very-good cut grade and certified by GIA 6234253695. Listed at 7 retailers as of November 1, 2026, with prices from £5,135 to £10,969, a £5,834 spread on the same certified stone. NZ Jewellers lists it at £10,969. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6234253695
Dimensions7.11 × 7.19 × 4.59 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.11 mm7.19 mm1.51 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6234253695
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £10,969 GBP|Low: £5,127 GBP|High: £10,969 GBP|Avg: £6,799 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£5,127 GBP
Retailer 3£5,135 GBP
Retailer 7£5,485 GBP
Retailer 5£5,941 GBP
Retailer 4£6,033 GBP
Retailer 6£6,856 GBP
Retailer 2£7,140 GBP
Retailer 9£7,818 GBP
NZ Jewellers£10,969 GBP

25 data points across 9 retailers

7 retailers£5,135 GBP to £10,969 GBP

B
Cheapest Retailer
-
£5,135 GBP
$6,891 USD
B
Retailer 2
-
£5,485 GBP
$7,360 USD
View
B
Retailer 3
-
£5,941 GBP
$7,973 USD
View
B
Retailer 4
-
£6,033 GBP
$8,096 USD
View
B
Retailer 5
-
£6,856 GBP
$9,200 USD
View
B
Retailer 6
-
£7,140 GBP
€9,125 EUR
View
Most Expensive
C
NZ Jewellers
bc0aa28b-880c-4bec-8fcf-15d87704cfcf · Nov 2
£10,969 GBP
$14,720 USD
View
6 more retailers have this diamond
Prices start from £5,135 GBPSave up to £5,834 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
1.51ct Round
£5,135 GBP