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Radiant|Natural|GIA

1.30ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6525939789

Certificate GIA 6525939789

Diamond specifications and retailer prices

From £1,910 GBP
$2,560 USD
As of October 28, 2026
Save £2,426 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,337 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 6525939789. Listed at 17 retailers as of October 28, 2026, with prices from £1,910 to £4,337, a £2,426 spread on the same certified stone. NZ Jewellers lists it at £4,337. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
Crown angle44.22°
Pavilion angle30.12°
OriginNatural
Grading LabGIA
CertificateGIA 6525939789
Dimensions6.98 × 5.51 × 3.61 mm
L/W Ratio1.27
Top View
6.98 mm5.51 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6525939789
Side View
Table 65.0%Crown 44.22°Girdle: STK-VTHPavilion 30.12°Culet: NoneDepth 65.5%

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 28
Current: £4,337 GBP|Low: £1,633 GBP|High: £4,337 GBP|Avg: £2,747 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£1,960 GBP
Retailer 8£2,082 GBP
Retailer 10£2,255 GBP
Retailer 12£2,255 GBP
Retailer 9£2,342 GBP
Retailer 4£2,343 GBP
Retailer 2£2,601 GBP
Retailer 11£2,602 GBP
Retailer 6£2,739 GBP
Retailer 3£3,592 GBP
Retailer 5£4,186 GBP
NZ Jewellers£4,337 GBP

41 data points across 12 retailers

17 retailers£1,910 GBP to £4,337 GBP

A
Cheapest Retailer
-
£1,910 GBP
$2,560 USD
A
Retailer 2
-
£1,960 GBP
$2,626 USD
View
A
Retailer 3
-
£2,020 GBP
$2,706 USD
View
A
Retailer 4
-
£2,082 GBP
$2,789 USD
View
Final sale: no returns
A
Retailer 5
-
£2,129 GBP
$2,852 USD
View
A
Retailer 6
-
£2,255 GBP
$3,022 USD
View
A
Retailer 7
-
£2,255 GBP
$3,022 USD
View
A
Retailer 8
-
£2,342 GBP
$3,138 USD
View
Retailer 9
-
£2,343 GBP
$3,139 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
£2,449 GBP
$3,282 USD
View
A
Retailer 11
-
£2,462 GBP
$3,299 USD
View
A
Retailer 12
-
£2,601 GBP
View
A
Retailer 13
-
£2,602 GBP
$3,487 USD
View
A
Retailer 14
-
£2,739 GBP
€3,495 EUR
View
B+
Retailer 15
-
£3,592 GBP
$4,813 USD
View
B
Retailer 16
-
£4,186 GBP
View
Most Expensive
B
NZ Jewellers
af92950c-f80a-4e86-b2d0-96cefe6c7778 · Oct 30
£4,337 GBP
$5,811 USD
View
16 more retailers have this diamond
Prices start from £1,910 GBPSave up to £2,426 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
£1,910 GBP