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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 2231796016

Certificate GIA 2231796016

Diamond specifications and retailer prices

From £2,612 GBP
As of October 31, 2026
Save £2,278 GBP (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,890 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231796016. Listed at 7 retailers as of October 30, 2026, with prices from £2,612 to £4,890, a £2,278 spread on the same certified stone. NZ Jewellers lists it at £4,890. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle47.14°
Pavilion angle33.1°
OriginNatural
Grading LabGIA
CertificateGIA 2231796016
Dimensions7.19 × 5.71 × 3.93 mm
L/W Ratio1.26
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.19 mm5.71 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231796016
Side View
Table 71.0%Crown 47.14°Girdle: Very ThickPavilion 33.1°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: Oct 31
Current: £4,890 GBP|Low: £2,580 GBP|High: £4,983 GBP|Avg: £3,355 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2£2,612 GBP
Retailer 8£2,633 GBP
Retailer 3£2,728 GBP
Retailer 5£2,807 GBP
Retailer 4£2,915 GBP
Retailer 6£2,916 GBP
Retailer 7£4,719 GBP
NZ Jewellers£4,890 GBP

39 data points across 8 retailers

7 retailers£2,612 GBP to £4,890 GBP

A
Cheapest Retailer
-
£2,612 GBP
A
Retailer 2
-
£2,728 GBP
View
A
Retailer 3
-
£2,807 GBP
$3,761 USD
View
A
Retailer 4
-
£2,915 GBP
$3,906 USD
View
A
Retailer 5
-
£2,916 GBP
$3,907 USD
View
B+
Retailer 6
-
£4,719 GBP
View
Most Expensive
B+
NZ Jewellers
104df0b5-c898-40a1-9382-c9d2e4ce7587 · Oct 30
£4,890 GBP
$6,552 USD
View
6 more retailers have this diamond
Prices start from £2,612 GBPSave up to £2,278 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
£2,612 GBP