Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555481540

Certificate GIA 1555481540

Diamond specifications and retailer prices

From £3,150 GBP
$4,220 USD
As of November 1, 2026
Save £3,803 GBP (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £6,952 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 1555481540. Listed at 31 retailers as of October 30, 2026, with prices from £3,150 to £6,952, a £3,803 spread on the same certified stone. NZ Jewellers lists it at £6,952. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555481540
Dimensions7.64 × 5.79 × 3.83 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.64 mm5.79 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555481540
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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 1
Current: £6,952 GBP|Low: £2,423 GBP|High: £6,952 GBP|Avg: £3,930 GBP
NZ Jewellers
Retailer 2
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Retailer 31
November 2, 2026
Retailer 23£2,644 GBP
Retailer 22£3,045 GBP
Retailer 3£3,150 GBP
Retailer 29£3,203 GBP
Retailer 4£3,247 GBP
Retailer 28£3,283 GBP
Retailer 15£3,284 GBP
Retailer 6£3,324 GBP
Retailer 17£3,476 GBP
Retailer 16£3,679 GBP
Retailer 18£3,707 GBP
Retailer 14£3,730 GBP
Retailer 5£3,765 GBP
Retailer 8£3,765 GBP
Retailer 27£3,765 GBP
Retailer 20£3,778 GBP
Retailer 10£3,830 GBP
Retailer 7£3,959 GBP
Retailer 19£3,979 GBP
Retailer 24£4,027 GBP
Retailer 13£4,055 GBP
Retailer 21£4,135 GBP
Retailer 11£4,217 GBP
Retailer 30£4,217 GBP
Retailer 25£4,340 GBP
Retailer 12£4,345 GBP
Retailer 31£4,359 GBP
Retailer 2£4,438 GBP
Retailer 9£6,019 GBP
Retailer 26£6,620 GBP
NZ Jewellers£6,952 GBP

25 data points across 31 retailers

31 retailers£3,150 GBP to £6,952 GBP

Retailer 1
-
£3,045 GBP
$4,080 USD
Price last confirmed 33 days ago
A
Retailer 2
-
£3,150 GBP
$4,220 USD
View
A
Retailer 3
-
£3,203 GBP
$4,292 USD
View
A
Retailer 4
-
£3,247 GBP
$4,351 USD
View
A
Retailer 5
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£3,283 GBP
$4,399 USD
View
A
Retailer 6
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£3,284 GBP
$4,400 USD
View
A
Retailer 7
-
£3,324 GBP
$4,454 USD
View
Retailer 8
-
£3,396 GBP
$4,550 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
£3,476 GBP
$4,657 USD
View
Final sale: no returns
A
Retailer 10
-
£3,679 GBP
CA$6,846 CAD
View
A
Retailer 11
-
£3,707 GBP
$4,967 USD
View
A
Retailer 12
-
£3,730 GBP
$4,998 USD
View
A
Retailer 13
-
£3,765 GBP
$5,045 USD
View
A
Retailer 14
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£3,765 GBP
$5,045 USD
View
A
Retailer 15
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£3,765 GBP
$5,045 USD
View
Retailer 16
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£3,778 GBP
$5,062 USD
View
Price last confirmed 18 days ago
A
Retailer 17
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£3,830 GBP
$5,132 USD
View
B+
Retailer 18
-
£3,959 GBP
$5,305 USD
View
B+
Retailer 19
-
£3,979 GBP
$5,331 USD
View
A
Retailer 20
-
£4,027 GBP
View
A
Retailer 21
-
£4,055 GBP
View
B+
Retailer 22
-
£4,135 GBP
$5,540 USD
View
B+
Retailer 23
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£4,217 GBP
$5,650 USD
View
B+
Retailer 24
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£4,217 GBP
$5,650 USD
View
Retailer 25
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£4,340 GBP
$5,815 USD
View
Price last confirmed 34 days ago
B+
Retailer 26
-
£4,345 GBP
$5,822 USD
View
B+
Retailer 27
-
£4,359 GBP
$5,840 USD
View
B+
Retailer 28
-
£4,438 GBP
€5,663 EUR
View
B
Retailer 29
-
£6,019 GBP
$8,065 USD
View
B
Retailer 30
-
£6,620 GBP
View
Most Expensive
B
NZ Jewellers
09fa61c0-22d8-4af2-8ac4-731a35f8957b · Oct 30
£6,952 GBP
$9,315 USD
View
30 more retailers have this diamond
Prices start from £3,150 GBPSave up to £3,803 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
£3,150 GBP