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Radiant|Natural|GIA

1.30ct H SI1 Radiant Natural Diamond

H/SI1 • GIA 01-14369889

Certificate GIA 01-14369889

Diamond specifications and retailer prices

From £3,186 GBP
As of November 5, 2026
Save £2,191 GBP (41%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,377 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 01-14369889. Listed at 3 retailers as of November 5, 2026, with prices from £3,186 to £5,377, a £2,191 spread on the same certified stone. NZ Jewellers lists it at £5,377. 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

1.30
Carat
H
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 01-14369889
Dimensions7.38 × 5.60 × 3.77 mm
L/W Ratio1.32
Top View
7.38 mm5.60 mm1.30 ctH / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 01-14369889
Side View
Table 66.0%CrownGirdlePavilionCuletDepth 67.3%

Caratlytics Score

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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 5
Current: £5,377 GBP|Low: £2,291 GBP|High: £5,377 GBP|Avg: £3,188 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 8, 2026
Retailer 6£2,291 GBP
Retailer 4£2,764 GBP
Retailer 5£2,860 GBP
Retailer 3£3,047 GBP
Retailer 2£3,186 GBP
NZ Jewellers£5,377 GBP

9 data points across 6 retailers

3 retailers£3,186 GBP to £5,377 GBP

Retailer 1
-
£2,291 GBP
Price last confirmed 54 days ago
B
Retailer 2
-
£3,186 GBP
View
Most Expensive
C
NZ Jewellers
caeb45d9-f0fb-4a6f-87dc-390341ba161d · Nov 5
£5,377 GBP
$7,197 USD
View
2 more retailers have this diamond
Prices start from £3,186 GBPSave up to £2,191 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
1.30ct Radiant
£3,186 GBP