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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 5241033003

Certificate GIA 5241033003

Diamond specifications and retailer prices

From £4,241 GBP
As of November 6, 2026
Save £3,107 GBP (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,348 GBP at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

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 5241033003. Listed at 14 retailers as of November 5, 2026, with prices from £4,241 to £7,348, a £3,107 spread on the same certified stone. Cape Diamonds lists it at £7,348. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241033003
Dimensions7.69 × 5.68 × 3.85 mm
L/W Ratio1.35
Top View
7.69 mm5.68 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241033003
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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 6
Current: £7,348 GBP|Low: £4,241 GBP|High: £7,348 GBP|Avg: £5,098 GBP
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 3£4,241 GBP
Retailer 9£4,294 GBP
Retailer 4£4,697 GBP
Retailer 6£4,730 GBP
Retailer 10£4,749 GBP
Retailer 5£5,033 GBP
Retailer 14£5,036 GBP
Retailer 13£5,043 GBP
Retailer 11£5,604 GBP
Retailer 2£5,624 GBP
Retailer 8£5,775 GBP
Retailer 7£6,138 GBP
Retailer 12£6,270 GBP
Cape Diamonds£7,348 GBP

12 data points across 14 retailers

14 retailers£4,241 GBP to £7,348 GBP

A
Cheapest Retailer
-
£4,241 GBP
A
Retailer 2
-
£4,294 GBP
View
A
Retailer 3
-
£4,697 GBP
View
A
Retailer 4
-
£4,730 GBP
View
A
Retailer 5
-
£4,749 GBP
View
B+
Retailer 6
-
£5,033 GBP
View
B+
Retailer 7
-
£5,036 GBP
View
Final sale: no returns
B+
Retailer 8
-
£5,043 GBP
View
B+
Retailer 9
-
£5,604 GBP
View
B+
Retailer 10
-
£5,624 GBP
View
B+
Retailer 11
-
£5,775 GBP
View
B+
Retailer 12
-
£6,138 GBP
View
B+
Retailer 13
-
£6,270 GBP
View
Most Expensive
B
Cape Diamonds
cert_5241033003 · Nov 5
£7,348 GBP
ZAR 158,882 ZAR
View
13 more retailers have this diamond
Prices start from £4,241 GBPSave up to £3,107 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
£4,241 GBP