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Radiant|Natural|GIA

1.30ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 1545064305

Certificate GIA 1545064305

Diamond specifications and retailer prices

From £2,077 GBP
As of October 30, 2026
Save £2,302 GBP (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,379 GBP at NZ Jewellers · As of October 30, 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 G 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 1545064305. Listed at 6 retailers as of October 30, 2026, with prices from £2,077 to £4,379, a £2,302 spread on the same certified stone. NZ Jewellers lists it at £4,379. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.76°
Pavilion angle30.23°
OriginNatural
Grading LabGIA
CertificateGIA 1545064305
Dimensions7.01 × 5.40 × 3.64 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Twinning Wisp, Feather
Top View
7.01 mm5.40 mm1.30 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545064305
Side View
Table 67.0%Crown 44.76°Girdle: THK-VTKPavilion 30.23°Culet: NoneDepth 67.5%

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: Oct 30
Current: £4,379 GBP|Low: £2,070 GBP|High: £4,494 GBP|Avg: £2,720 GBP|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£2,077 GBP
Retailer 6£2,094 GBP
Retailer 5£2,175 GBP
Retailer 7£2,205 GBP
Retailer 11£2,395 GBP
Retailer 8£2,503 GBP
Retailer 9£2,627 GBP
Retailer 10£2,665 GBP
Retailer 3£2,777 GBP
Retailer 4£3,675 GBP
NZ Jewellers£4,379 GBP

29 data points across 11 retailers

6 retailers£2,077 GBP to £4,379 GBP

A
Cheapest Retailer
-
£2,077 GBP
A
Retailer 2
-
£2,094 GBP
$2,806 USD
View
A
Retailer 3
-
£2,175 GBP
$2,914 USD
View
A
Retailer 4
-
£2,205 GBP
$2,954 USD
View
B+
Retailer 5
-
£3,675 GBP
View
Most Expensive
B
NZ Jewellers
77b4c819-88ca-4b74-8487-123ad4186a19 · Oct 30
£4,379 GBP
$5,867 USD
View
5 more retailers have this diamond
Prices start from £2,077 GBPSave up to £2,302 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
£2,077 GBP