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Radiant|Natural|GIA

1.30ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 6545383203

Certificate GIA 6545383203

Diamond specifications and retailer prices

From £2,217 GBP
As of November 6, 2026
Save £2,814 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,032 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545383203. Listed at 19 retailers as of November 5, 2026, with prices from £2,217 to £5,032, a £2,814 spread on the same certified stone. NZ Jewellers lists it at £5,032. 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

1.30
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.89°
Pavilion angle64.81°
OriginNatural
Grading LabGIA
CertificateGIA 6545383203
Dimensions7.35 × 5.46 × 3.82 mm
L/W Ratio1.35
Top View
7.35 mm5.46 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545383203
Side View
Table 67.0%Crown 49.89°Girdle: THN-STKPavilion 64.81°Culet: NoneDepth 69.9%

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 6
Current: £2,925 GBP|Low: £2,217 GBP|High: £4,882 GBP|Avg: £3,074 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2£2,217 GBP
Retailer 8£2,228 GBP
Retailer 7£2,657 GBP
Retailer 4£2,805 GBP
Retailer 3£2,840 GBP
Retailer 1£2,925 GBP
Retailer 5£3,362 GBP
Retailer 6£4,830 GBP

28 data points across 8 retailers

19 retailers£2,217 GBP to £5,032 GBP

A
Cheapest Retailer
-
£2,217 GBP
A
Retailer 2
-
£2,228 GBP
View
A
Retailer 3
-
£2,466 GBP
View
A
Retailer 4
-
£2,541 GBP
View
A
Retailer 5
-
£2,657 GBP
View
A
Retailer 6
-
£2,666 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,805 GBP
View
A
Retailer 8
-
£2,840 GBP
View
B+
Retailer 9
-
£2,888 GBP
View
Retailer 10
-
£2,888 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£2,925 GBP
View
B+
Retailer 12
-
£2,997 GBP
View
B+
Retailer 13
-
£3,000 GBP
View
B+
Retailer 14
-
£3,026 GBP
View
B+
Retailer 15
-
£3,070 GBP
View
B+
Retailer 16
-
£3,333 GBP
View
B+
Retailer 17
-
£3,362 GBP
View
B
Retailer 18
-
£4,830 GBP
View
Most Expensive
B
NZ Jewellers
c985fac9-0906-498c-88ee-976978e593ff · Nov 5
£5,032 GBP
$6,735 USD
View
18 more retailers have this diamond
Prices start from £2,217 GBPSave up to £2,814 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
1.30ct Radiant
£2,217 GBP