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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2534677624

Certificate GIA 2534677624

Diamond specifications and retailer prices

From £3,891 GBP
As of November 5, 2026
Save £5,185 GBP (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,076 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2534677624. Listed at 24 retailers as of November 5, 2026, with prices from £3,891 to £9,076, a £5,185 spread on the same certified stone. NZ Jewellers lists it at £9,076. 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
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2534677624
Dimensions7.15 × 7.08 × 4.59 mm
L/W Ratio1.01
Top View
7.15 mm7.08 mm1.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534677624
Side View
Table 55.0%Crown 38.5°Girdle: ThickPavilion 39.8°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £9,076 GBP|Low: £3,891 GBP|High: £9,076 GBP|Avg: £5,321 GBP
NZ Jewellers
Retailer 2
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Retailer 24
November 6, 2026
Retailer 16£3,891 GBP
Retailer 21£4,060 GBP
Retailer 8£4,116 GBP
Retailer 22£4,135 GBP
Retailer 23£4,288 GBP
Retailer 7£4,295 GBP
Retailer 12£4,538 GBP
Retailer 14£4,538 GBP
Retailer 11£4,562 GBP
Retailer 9£4,916 GBP
Retailer 17£4,992 GBP
Retailer 13£5,032 GBP
Retailer 3£5,194 GBP
Retailer 4£5,194 GBP
Retailer 6£5,267 GBP
Retailer 24£5,364 GBP
Retailer 2£5,551 GBP
Retailer 19£5,578 GBP
Retailer 15£5,673 GBP
Retailer 5£5,981 GBP
Retailer 10£6,216 GBP
Retailer 18£6,622 GBP
Retailer 20£7,543 GBP
NZ Jewellers£9,076 GBP

26 data points across 24 retailers

24 retailers£3,891 GBP to £9,076 GBP

A
Cheapest Retailer
-
£3,891 GBP
A
Retailer 2
-
£4,060 GBP
View
A
Retailer 3
-
£4,116 GBP
View
A
Retailer 4
-
£4,135 GBP
View
A
Retailer 5
-
£4,288 GBP
View
A
Retailer 6
-
£4,295 GBP
View
Retailer 7
-
£4,538 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£4,538 GBP
View
Final sale: no returns
A
Retailer 9
-
£4,562 GBP
View
A
Retailer 10
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£4,916 GBP
View
A
Retailer 11
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£4,992 GBP
View
A
Retailer 12
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£5,032 GBP
View
A
Retailer 13
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£5,194 GBP
View
A
Retailer 14
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£5,194 GBP
View
Retailer 15
-
£5,267 GBP
View
Price last confirmed 15 days ago
A
Retailer 16
-
£5,364 GBP
View
A
Retailer 17
-
£5,551 GBP
View
A
Retailer 18
-
£5,578 GBP
View
B+
Retailer 19
-
£5,673 GBP
View
Retailer 20
-
£5,981 GBP
View
Price last confirmed 14 days ago
B+
Retailer 21
-
£6,216 GBP
View
B+
Retailer 22
-
£6,622 GBP
View
B
Retailer 23
-
£7,543 GBP
View
Most Expensive
B
NZ Jewellers
e4c4a878-f917-4282-bf4c-f5daaf29ee42 · Nov 5
£9,076 GBP
$12,216 USD
View
23 more retailers have this diamond
Prices start from £3,891 GBPSave up to £5,185 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
£3,891 GBP