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Radiant|Natural|GIA

1.50ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 2534594191

Certificate GIA 2534594191

Diamond specifications and retailer prices

From £4,164 GBP
As of November 6, 2026
Save £4,792 GBP (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £8,956 GBP at NZ Jewellers · As of November 5, 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 D 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 2534594191. Listed at 25 retailers as of November 5, 2026, with prices from £4,164 to £8,956, a £4,792 spread on the same certified stone. NZ Jewellers lists it at £8,956. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.41°
Pavilion angle30.19°
OriginNatural
Grading LabGIA
CertificateGIA 2534594191
Dimensions7.38 × 5.68 × 3.88 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534594191
Side View
Table 66.0%Crown 44.41°Girdle: STK-THKPavilion 30.19°Culet: NoneDepth 68.2%

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: £8,956 GBP|Low: £3,604 GBP|High: £9,145 GBP|Avg: £5,676 GBP|-2.1%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 11£4,164 GBP
Retailer 13£4,231 GBP
Retailer 5£4,235 GBP
Retailer 3£4,477 GBP
Retailer 16£4,776 GBP
Retailer 4£4,851 GBP
Retailer 9£4,851 GBP
Retailer 15£4,941 GBP
Retailer 12£4,965 GBP
Retailer 6£5,064 GBP
Retailer 2£5,084 GBP
Retailer 7£5,394 GBP
Retailer 8£5,394 GBP
Retailer 18£5,512 GBP
Retailer 17£5,573 GBP
Retailer 19£5,597 GBP
Retailer 10£7,621 GBP
Retailer 14£7,763 GBP
NZ Jewellers£8,956 GBP

44 data points across 19 retailers

25 retailers£4,164 GBP to £8,956 GBP

A
Cheapest Retailer
-
£4,164 GBP
A
Retailer 2
-
£4,231 GBP
View
A
Retailer 3
-
£4,235 GBP
View
A
Retailer 4
-
£4,271 GBP
View
A
Retailer 5
-
£4,379 GBP
View
A
Retailer 6
-
£4,477 GBP
View
Final sale: no returns
Retailer 7
-
£4,573 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£4,776 GBP
View
A
Retailer 9
-
£4,851 GBP
View
A
Retailer 10
-
£4,851 GBP
View
A
Retailer 11
-
£4,941 GBP
View
A
Retailer 12
-
£4,965 GBP
View
Retailer 13
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£4,984 GBP
View
Price last confirmed 15 days ago
A
Retailer 14
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£5,025 GBP
View
A
Retailer 15
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£5,064 GBP
View
A
Retailer 16
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£5,084 GBP
View
B+
Retailer 17
-
£5,394 GBP
View
B+
Retailer 18
-
£5,394 GBP
View
A
Retailer 19
-
£5,512 GBP
View
B+
Retailer 20
-
£5,573 GBP
View
B+
Retailer 21
-
£5,597 GBP
View
Retailer 22
-
£5,716 GBP
View
Price last confirmed 62 days ago
B+
Retailer 23
-
£7,621 GBP
View
B+
Retailer 24
-
£7,763 GBP
View
Most Expensive
B
NZ Jewellers
601066e6-af58-46ca-a266-ab9420cd709b · Nov 5
£8,956 GBP
$11,987 USD
View
24 more retailers have this diamond
Prices start from £4,164 GBPSave up to £4,792 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
£4,164 GBP