Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5506759041

Certificate GIA 5506759041

Diamond specifications and retailer prices

From £5,989 GBP
$8,037 USD
As of November 2, 2026
Save £4,884 GBP (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £10,873 GBP at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5506759041. Listed at 13 retailers as of October 30, 2026, with prices from £5,989 to £10,873, a £4,884 spread on the same certified stone. NZ Jewellers lists it at £10,873. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5506759041
Dimensions7.90 × 5.63 × 3.83 mm
L/W Ratio1.40
Top View
7.90 mm5.63 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506759041
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £10,873 GBP|Low: £5,915 GBP|High: £10,873 GBP|Avg: £7,766 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£5,989 GBP
Retailer 5£6,523 GBP
Retailer 9£6,524 GBP
Retailer 8£7,067 GBP
Retailer 6£7,176 GBP
Retailer 3£7,204 GBP
Retailer 10£8,155 GBP
Retailer 2£8,218 GBP
Retailer 4£10,189 GBP
NZ Jewellers£10,873 GBP

41 data points across 10 retailers

13 retailers£5,989 GBP to £10,873 GBP

B+
Cheapest Retailer
-
£5,989 GBP
$8,037 USD
B+
Retailer 2
-
£6,165 GBP
A$12,727 AUD
View
B+
Retailer 3
-
£6,168 GBP
$8,277 USD
View
B+
Retailer 4
-
£6,523 GBP
$8,754 USD
View
Final sale: no returns
B+
Retailer 5
-
£6,552 GBP
$8,792 USD
View
B+
Retailer 6
-
£7,067 GBP
$9,484 USD
View
B+
Retailer 7
-
£7,176 GBP
$9,630 USD
View
B+
Retailer 8
-
£7,204 GBP
View
B
Retailer 9
-
£7,866 GBP
$10,555 USD
View
B
Retailer 10
-
£8,155 GBP
$10,943 USD
View
B
Retailer 11
-
£8,218 GBP
€10,503 EUR
View
B
Retailer 12
-
£10,189 GBP
View
Most Expensive
B
NZ Jewellers
592b215f-91c5-43b6-a549-8e150094bc27 · Oct 30
£10,873 GBP
$14,591 USD
View
12 more retailers have this diamond
Prices start from £5,989 GBPSave up to £4,884 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.

B+
1.50ct Radiant
£5,989 GBP