Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 2547669844

Certificate GIA 2547669844

Diamond specifications and retailer prices

From £2,799 GBP
As of November 2, 2026
Save £2,201 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,000 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547669844. Listed at 8 retailers as of November 2, 2026, with prices from £2,799 to £5,000, a £2,201 spread on the same certified stone. NZ Jewellers lists it at £5,000. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.61°
Pavilion angle29.81°
OriginNatural
Grading LabGIA
CertificateGIA 2547669844
Dimensions6.75 × 5.23 × 3.60 mm
L/W Ratio1.29
Top View
6.75 mm5.23 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547669844
Side View
Table 64.0%Crown 45.61°Girdle: THK-VTKPavilion 29.81°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £5,000 GBP|Low: £2,661 GBP|High: £5,109 GBP|Avg: £3,374 GBP|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11£2,661 GBP
Retailer 7£2,799 GBP
Retailer 9£2,870 GBP
Retailer 2£2,873 GBP
Retailer 8£2,979 GBP
Retailer 5£2,980 GBP
Retailer 10£3,141 GBP
Retailer 12£3,198 GBP
Retailer 3£3,233 GBP
Retailer 4£3,369 GBP
Retailer 6£4,799 GBP
NZ Jewellers£5,000 GBP

35 data points across 12 retailers

8 retailers£2,799 GBP to £5,000 GBP

B+
Cheapest Retailer
-
£2,799 GBP
B+
Retailer 2
-
£2,870 GBP
View
B+
Retailer 3
-
£2,873 GBP
View
B+
Retailer 4
-
£2,979 GBP
View
B+
Retailer 5
-
£2,980 GBP
View
Retailer 6
-
£3,141 GBP
View
Price last confirmed 30 days ago
B
Retailer 7
-
£4,799 GBP
View
Most Expensive
B
NZ Jewellers
bdaa013c-92f0-447a-bf8a-7467dbce6381 · Nov 3
£5,000 GBP
$6,692 USD
View
7 more retailers have this diamond
Prices start from £2,799 GBPSave up to £2,201 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+
1.20ct Radiant
£2,799 GBP