CaratHunter
Plans
Radiant|Natural|GIA

1.30ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2546282428

Certificate GIA 2546282428

Diamond specifications and retailer prices

From £2,736 GBP
As of November 2, 2026
Save £2,086 GBP (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,822 GBP at NZ Jewellers · As of November 3, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546282428. Listed at 5 retailers as of November 2, 2026, with prices from £2,736 to £4,822, a £2,086 spread on the same certified stone. NZ Jewellers lists it at £4,822. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.98°
Pavilion angle37.13°
OriginNatural
Grading LabGIA
CertificateGIA 2546282428
Dimensions7.70 × 5.44 × 3.60 mm
L/W Ratio1.42
Top View
7.70 mm5.44 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546282428
Side View
Table 71.0%Crown 46.98°GirdlePavilion 37.13°CuletDepth 66.2%

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: Nov 2
Current: £4,822 GBP|Low: £2,735 GBP|High: £4,867 GBP|Avg: £3,542 GBP|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£2,736 GBP
Retailer 4£2,767 GBP
Retailer 7£3,063 GBP
Retailer 5£3,196 GBP
Retailer 6£3,330 GBP
Retailer 3£4,628 GBP
NZ Jewellers£4,822 GBP

29 data points across 7 retailers

5 retailers£2,736 GBP to £4,822 GBP

A
Cheapest Retailer
-
£2,736 GBP
A
Retailer 2
-
£2,767 GBP
View
Retailer 3
-
£2,879 GBP
View
Price last confirmed 38 days ago
B+
Retailer 4
-
£4,628 GBP
View
Most Expensive
B
NZ Jewellers
a678d9de-6971-4be7-8587-1d7677a1166e · Nov 3
£4,822 GBP
$6,454 USD
View
4 more retailers have this diamond
Prices start from £2,736 GBPSave up to £2,086 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
£2,736 GBP