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Radiant|Natural|GIA

1.20ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1533122239

Certificate GIA 1533122239

Diamond specifications and retailer prices

From £1,759 GBP
As of November 2, 2026
Save £1,961 GBP (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,721 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 1533122239. Listed at 6 retailers as of November 2, 2026, with prices from £1,759 to £3,721, a £1,961 spread on the same certified stone. NZ Jewellers lists it at £3,721. 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

1.20
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.15°
Pavilion angle31.49°
OriginNatural
Grading LabGIA
CertificateGIA 1533122239
Dimensions6.57 × 5.25 × 3.66 mm
L/W Ratio1.25
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.57 mm5.25 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533122239
Side View
Table 65.0%Crown 48.15°Girdle: THK-VTKPavilion 31.49°Culet: NoneDepth 69.8%

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 2
Current: £3,721 GBP|Low: £1,759 GBP|High: £4,782 GBP|Avg: £2,554 GBP|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3£1,759 GBP
Retailer 5£1,780 GBP
Retailer 2£1,862 GBP
Retailer 6£1,886 GBP
Retailer 10£1,991 GBP
Retailer 8£2,055 GBP
Retailer 9£2,240 GBP
Retailer 4£3,118 GBP
NZ Jewellers£3,721 GBP
Retailer 7£4,782 GBP

30 data points across 10 retailers

6 retailers£1,759 GBP to £3,721 GBP

A
Cheapest Retailer
-
£1,759 GBP
A
Retailer 2
-
£1,780 GBP
View
A
Retailer 3
-
£1,862 GBP
View
A
Retailer 4
-
£1,886 GBP
View
B+
Retailer 5
-
£3,118 GBP
View
Most Expensive
B
NZ Jewellers
9cdb90db-0a46-47a8-a1ec-449dc5efcc23 · Nov 3
£3,721 GBP
$4,980 USD
View
5 more retailers have this diamond
Prices start from £1,759 GBPSave up to £1,961 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
1.20ct Radiant
£1,759 GBP