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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

GD • H/SI2 • GIA 7488859534

Certificate GIA 7488859534

Diamond specifications and retailer prices

From £1,896 GBP
As of November 4, 2026
Save £1,022 GBP (35%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,918 GBP at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7488859534. Listed at 12 retailers as of November 4, 2026, with prices from £1,896 to £2,918, a £1,022 spread on the same certified stone. Washington Diamond lists it at £2,918. 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

1.00
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7488859534
Dimensions6.82 × 5.08 × 3.44 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Etch Channel, Natural
Top View
6.82 mm5.08 mm1.00 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7488859534
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,713 GBP|Low: £1,896 GBP|High: £2,918 GBP|Avg: £2,304 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Washington Diamond
November 6, 2026
Retailer 7£1,896 GBP
Retailer 6£1,934 GBP
Retailer 4£1,965 GBP
Retailer 11£1,981 GBP
Retailer 9£2,288 GBP
Retailer 5£2,415 GBP
Retailer 10£2,432 GBP
Retailer 2£2,548 GBP
Retailer 3£2,548 GBP
Retailer 8£2,630 GBP
Retailer 1£2,713 GBP
Washington Diamond£2,918 GBP

22 data points across 12 retailers

12 retailers£1,896 GBP to £2,918 GBP

B
Cheapest Retailer
-
£1,896 GBP
B
Retailer 2
-
£1,934 GBP
View
Retailer 3
-
£1,965 GBP
View
Price last confirmed 10 days ago
B
Retailer 4
-
£1,981 GBP
View
B
Retailer 5
-
£2,288 GBP
View
B
Retailer 6
-
£2,415 GBP
View
B
Retailer 7
-
£2,432 GBP
View
B
Retailer 8
-
£2,548 GBP
View
B
Retailer 9
-
£2,548 GBP
View
C
Retailer 10
-
£2,630 GBP
View
B
Retailer 11
-
£2,713 GBP
View
Most Expensive
C
Washington Diamond
1947493437 · Nov 6
£2,918 GBP
$3,906 USD
View
11 more retailers have this diamond
Prices start from £1,896 GBPSave up to £1,022 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
1.00ct Radiant
£1,896 GBP