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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 7553782144

Certificate GIA 7553782144

Diamond specifications and retailer prices

From £4,524 GBP
$6,024 USD
As of October 29, 2026
Save £5,244 GBP (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £9,768 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553782144. Listed at 12 retailers as of October 27, 2026, with prices from £4,524 to £9,768, a £5,244 spread on the same certified stone. NZ Jewellers lists it at £9,768. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553782144
Dimensions7.87 × 5.79 × 3.91 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.87 mm5.79 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553782144
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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 29
Current: £5,489 GBP|Low: £4,236 GBP|High: £8,238 GBP|Avg: £5,568 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7£4,524 GBP
Retailer 4£4,562 GBP
Retailer 8£4,621 GBP
Retailer 5£4,660 GBP
Retailer 6£5,291 GBP
Retailer 1£5,489 GBP
Retailer 3£6,372 GBP
Retailer 9£6,435 GBP
Retailer 2£8,184 GBP

39 data points across 9 retailers

12 retailers£4,524 GBP to £9,768 GBP

A
Cheapest Retailer
-
£4,524 GBP
$6,024 USD
Retailer 2
-
£4,562 GBP
$6,075 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£4,621 GBP
$6,154 USD
View
A
Retailer 4
-
£4,660 GBP
$6,205 USD
View
Final sale: no returns
A
Retailer 5
-
£5,291 GBP
$7,046 USD
View
B+
Retailer 6
-
£5,373 GBP
$7,155 USD
View
A
Retailer 7
-
£5,489 GBP
View
B+
Retailer 8
-
£6,105 GBP
$8,130 USD
View
B+
Retailer 9
-
£6,372 GBP
€8,081 EUR
View
B+
Retailer 10
-
£6,435 GBP
$8,569 USD
View
B
Retailer 11
-
£8,184 GBP
View
Most Expensive
B
NZ Jewellers
752f2cac-bf62-4ca8-9f2d-ec576c432cea · Oct 27
£9,768 GBP
$13,008 USD
View
11 more retailers have this diamond
Prices start from £4,524 GBPSave up to £5,244 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 Radiant
£4,524 GBP