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Radiant|Natural|GIA

1.20ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2527842436

Certificate GIA 2527842436

Diamond specifications and retailer prices

From £2,602 GBP
As of November 2, 2026
Save £1,984 GBP (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,586 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 D 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 2527842436. Listed at 6 retailers as of November 2, 2026, with prices from £2,602 to £4,586, a £1,984 spread on the same certified stone. NZ Jewellers lists it at £4,586. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.87°
Pavilion angle30.99°
OriginNatural
Grading LabGIA
CertificateGIA 2527842436
Dimensions6.95 × 5.35 × 3.51 mm
L/W Ratio1.30
Top View
6.95 mm5.35 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527842436
Side View
Table 71.0%Crown 44.87°Girdle: STK-THKPavilion 30.99°Culet: NoneDepth 65.6%

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: £4,586 GBP|Low: £2,601 GBP|High: £4,598 GBP|Avg: £3,197 GBP|-0.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 4£2,602 GBP
Retailer 5£2,632 GBP
Retailer 2£2,733 GBP
Retailer 6£2,743 GBP
Retailer 9£2,779 GBP
Retailer 7£2,957 GBP
Retailer 8£3,038 GBP
Retailer 10£3,266 GBP
Retailer 3£4,401 GBP
NZ Jewellers£4,586 GBP

31 data points across 10 retailers

6 retailers£2,602 GBP to £4,586 GBP

A
Cheapest Retailer
-
£2,602 GBP
B+
Retailer 2
-
£2,632 GBP
View
B+
Retailer 3
-
£2,733 GBP
View
B+
Retailer 4
-
£2,743 GBP
View
B
Retailer 5
-
£4,401 GBP
View
Most Expensive
B
NZ Jewellers
d9586307-96c9-4658-b6d9-e55774f8cd80 · Nov 3
£4,586 GBP
$6,138 USD
View
5 more retailers have this diamond
Prices start from £2,602 GBPSave up to £1,984 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
£2,602 GBP