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Radiant|Natural|GIA

1.50ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6541657983

Certificate GIA 6541657983

Diamond specifications and retailer prices

From £3,336 GBP
As of November 7, 2026
Save £3,142 GBP (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,478 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded F 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 6541657983. Listed at 8 retailers as of November 3, 2026, with prices from £3,336 to £6,478, a £3,142 spread on the same certified stone. NZ Jewellers lists it at £6,478. 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

1.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.01°
Pavilion angle31.29°
OriginNatural
Grading LabGIA
CertificateGIA 6541657983
Dimensions7.35 × 5.66 × 3.89 mm
L/W Ratio1.30
Top View
7.35 mm5.66 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541657983
Side View
Table 66.0%Crown 45.01°Girdle: THK-VTKPavilion 31.29°Culet: NoneDepth 68.7%

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 7
Current: £6,478 GBP|Low: £3,317 GBP|High: £6,543 GBP|Avg: £4,327 GBP|+0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 3£3,336 GBP
Retailer 6£3,356 GBP
Retailer 4£3,503 GBP
Retailer 2£3,718 GBP
Retailer 8£3,718 GBP
Retailer 7£3,814 GBP
Retailer 5£5,922 GBP
NZ Jewellers£6,478 GBP

43 data points across 8 retailers

8 retailers£3,336 GBP to £6,478 GBP

A
Cheapest Retailer
-
£3,336 GBP
A
Retailer 2
-
£3,356 GBP
View
A
Retailer 3
-
£3,503 GBP
View
A
Retailer 4
-
£3,718 GBP
View
A
Retailer 5
-
£3,718 GBP
View
A
Retailer 6
-
£3,814 GBP
View
B+
Retailer 7
-
£5,922 GBP
View
Most Expensive
B
NZ Jewellers
52a44ebc-d045-4c21-a718-f7456f3c34ef · Nov 3
£6,478 GBP
$8,671 USD
View
7 more retailers have this diamond
Prices start from £3,336 GBPSave up to £3,142 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
1.50ct Radiant
£3,336 GBP