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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 6552029030

Certificate GIA 6552029030

Diamond specifications and retailer prices

From £3,685 GBP
As of November 6, 2026
Save £3,185 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,870 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552029030. Listed at 6 retailers as of November 3, 2026, with prices from £3,685 to £6,870, a £3,185 spread on the same certified stone. NZ Jewellers lists it at £6,870. 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
Crown angle47.88°
Pavilion angle30.89°
OriginNatural
Grading LabGIA
CertificateGIA 6552029030
Dimensions7.16 × 5.65 × 3.89 mm
L/W Ratio1.27
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
7.16 mm5.65 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552029030
Side View
Table 67.0%Crown 47.88°Girdle: ThickPavilion 30.89°Culet: NoneDepth 68.9%

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: £6,870 GBP|Low: £3,685 GBP|High: £6,989 GBP|Avg: £4,756 GBP|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£3,685 GBP
Retailer 2£3,843 GBP
Retailer 4£3,844 GBP
Retailer 7£4,049 GBP
Retailer 6£4,185 GBP
Retailer 9£4,438 GBP
Retailer 8£4,664 GBP
Retailer 3£6,542 GBP
NZ Jewellers£6,870 GBP

32 data points across 9 retailers

6 retailers£3,685 GBP to £6,870 GBP

A
Cheapest Retailer
-
£3,685 GBP
A
Retailer 2
-
£3,843 GBP
View
A
Retailer 3
-
£3,844 GBP
View
Retailer 4
-
£4,185 GBP
View
Price last confirmed 29 days ago
B+
Retailer 5
-
£6,542 GBP
View
Most Expensive
B+
NZ Jewellers
d1c4be58-5c4d-4677-90a6-4afdfc0be9d9 · Nov 3
£6,870 GBP
$9,196 USD
View
5 more retailers have this diamond
Prices start from £3,685 GBPSave up to £3,185 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
£3,685 GBP