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Round|Natural|GIA

1.51ct L I1 Round Natural Diamond

EX • L/I1 • GIA 7428701014

Certificate GIA 7428701014

Diamond specifications and retailer prices

From £1,520 GBP
As of November 6, 2026
Save £1,999 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,519 GBP at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7428701014. Listed at 7 retailers as of November 5, 2026, with prices from £1,520 to £3,519, a £1,999 spread on the same certified stone. NZ Jewellers lists it at £3,519. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
L
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7428701014
Dimensions7.34 × 7.29 × 4.57 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.51 ctL / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7428701014
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 6
Current: £3,519 GBP|Low: £1,520 GBP|High: £3,618 GBP|Avg: £2,024 GBP|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£1,520 GBP
Retailer 8£1,625 GBP
Retailer 3£1,683 GBP
Retailer 4£1,683 GBP
Retailer 7£1,761 GBP
Retailer 5£1,942 GBP
Retailer 2£2,086 GBP
Retailer 9£2,115 GBP
NZ Jewellers£3,519 GBP

22 data points across 9 retailers

7 retailers£1,520 GBP to £3,519 GBP

A
Cheapest Retailer
-
£1,520 GBP
Retailer 2
-
£1,683 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£1,683 GBP
View
B+
Retailer 4
-
£1,761 GBP
View
B+
Retailer 5
-
£1,942 GBP
View
B+
Retailer 6
-
£2,086 GBP
View
Most Expensive
C
NZ Jewellers
fdaeca82-38bc-4695-b9bd-a7685490a603 · Nov 5
£3,519 GBP
$4,736 USD
View
6 more retailers have this diamond
Prices start from £1,520 GBPSave up to £1,999 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
£1,520 GBP