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Radiant|Natural|GIA

1.09ct H I1 Radiant Natural Diamond

H/I1 • GIA 2225717777

Certificate GIA 2225717777

Diamond specifications and retailer prices

From £1,131 GBP
$1,518 USD
As of November 1, 2026
Save £2,124 GBP (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,255 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.09ct natural radiant diamond

This 1.09ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included) and certified by GIA 2225717777. Listed at 6 retailers as of October 30, 2026, with prices from £1,131 to £3,255, a £2,124 spread on the same certified stone. NZ Jewellers lists it at £3,255. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
H
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225717777
Dimensions6.40 × 5.38 × 3.65 mm
L/W Ratio1.19
Culet sizeNone
Top View
6.40 mm5.38 mm1.09 ctH / I1
OriginNatural
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2225717777
Side View
Table 74.0%CrownGirdle: ETN-VTKPavilionCulet: NoneDepth 67.9%

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 1
Current: £3,255 GBP|Low: £886 GBP|High: £3,255 GBP|Avg: £1,557 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£886 GBP
Retailer 6£1,131 GBP
Retailer 3£1,209 GBP
Retailer 5£1,209 GBP
Retailer 4£1,395 GBP
Retailer 2£1,822 GBP
NZ Jewellers£3,255 GBP

15 data points across 7 retailers

6 retailers£1,131 GBP to £3,255 GBP

B+
Cheapest Retailer
-
£1,131 GBP
$1,518 USD
B+
Retailer 2
-
£1,209 GBP
$1,623 USD
View
B+
Retailer 3
-
£1,265 GBP
$1,697 USD
View
B+
Retailer 4
-
£1,395 GBP
$1,872 USD
View
B
Retailer 5
-
£1,822 GBP
€2,329 EUR
View
Most Expensive
C
NZ Jewellers
e6e187ae-9604-4015-8c55-3b00391c1043 · Oct 30
£3,255 GBP
$4,368 USD
View
5 more retailers have this diamond
Prices start from £1,131 GBPSave up to £2,124 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+
1.09ct Radiant
£1,131 GBP