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Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 2534595233

Certificate GIA 2534595233

Diamond specifications and retailer prices

From £2,205 GBP
As of November 2, 2026
Save £2,522 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,727 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534595233. Listed at 8 retailers as of November 2, 2026, with prices from £2,205 to £4,727, a £2,522 spread on the same certified stone. NZ Jewellers lists it at £4,727. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle32.48°
OriginNatural
Grading LabGIA
CertificateGIA 2534595233
Dimensions6.97 × 5.50 × 3.56 mm
L/W Ratio1.27
Top View
6.97 mm5.50 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534595233
Side View
Table 74.0%Crown 43.7°Girdle: MED-STKPavilion 32.48°Culet: NoneDepth 64.8%

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: Nov 2
Current: £4,727 GBP|Low: £2,204 GBP|High: £4,727 GBP|Avg: £2,756 GBP|+18.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6£2,205 GBP
Retailer 7£2,261 GBP
Retailer 2£2,264 GBP
Retailer 3£2,298 GBP
Retailer 4£2,324 GBP
Retailer 8£2,424 GBP
Retailer 10£2,472 GBP
Retailer 9£2,545 GBP
Retailer 5£3,780 GBP
NZ Jewellers£4,727 GBP

35 data points across 10 retailers

8 retailers£2,205 GBP to £4,727 GBP

A
Cheapest Retailer
-
£2,205 GBP
A
Retailer 2
-
£2,261 GBP
View
A
Retailer 3
-
£2,264 GBP
View
A
Retailer 4
-
£2,298 GBP
View
A
Retailer 5
-
£2,324 GBP
View
Retailer 6
-
£2,424 GBP
View
Price last confirmed 34 days ago
B+
Retailer 7
-
£3,780 GBP
View
Most Expensive
B
NZ Jewellers
c386d2bf-a246-45d5-8407-62e313dd18aa · Nov 3
£4,727 GBP
$6,327 USD
View
7 more retailers have this diamond
Prices start from £2,205 GBPSave up to £2,522 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
£2,205 GBP