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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2567256777

Certificate GIA 2567256777

Diamond specifications and retailer prices

From £4,084 GBP
$5,472 USD
As of November 1, 2026
Save £4,104 GBP (50%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,188 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567256777. Listed at 20 retailers as of October 30, 2026, with prices from £4,084 to £8,188, a £4,104 spread on the same certified stone. NZ Jewellers lists it at £8,188. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.47°
OriginNatural
Grading LabGIA
CertificateGIA 2567256777
Dimensions7.54 × 5.79 × 4.02 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.54 mm5.79 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567256777
Side View
Table 70.0%Crown 44.47°Girdle: STK-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £8,188 GBP|Low: £3,994 GBP|High: £8,378 GBP|Avg: £5,263 GBP|-2.3%
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
November 2, 2026
Retailer 9£4,084 GBP
Retailer 7£4,270 GBP
Retailer 5£4,324 GBP
Retailer 8£4,518 GBP
Retailer 16£4,519 GBP
Retailer 10£4,545 GBP
Retailer 12£4,613 GBP
Retailer 11£4,696 GBP
Retailer 18£4,896 GBP
Retailer 17£4,971 GBP
Retailer 6£5,014 GBP
Retailer 3£5,082 GBP
Retailer 4£5,090 GBP
Retailer 2£5,348 GBP
Retailer 15£5,649 GBP
Retailer 14£6,015 GBP
Retailer 13£7,213 GBP
NZ Jewellers£8,188 GBP

26 data points across 18 retailers

20 retailers£4,084 GBP to £8,188 GBP

A
Cheapest Retailer
-
£4,084 GBP
$5,472 USD
A
Retailer 2
-
£4,250 GBP
$5,695 USD
View
A
Retailer 3
-
£4,270 GBP
$5,721 USD
View
A
Retailer 4
-
£4,324 GBP
$5,794 USD
View
A
Retailer 5
-
£4,518 GBP
$6,054 USD
View
Final sale: no returns
A
Retailer 6
-
£4,519 GBP
$6,055 USD
View
A
Retailer 7
-
£4,545 GBP
$6,090 USD
View
A
Retailer 8
-
£4,613 GBP
View
A
Retailer 9
-
£4,696 GBP
View
A
Retailer 10
-
£4,896 GBP
$6,560 USD
View
A
Retailer 11
-
£4,971 GBP
$6,661 USD
View
A
Retailer 12
-
£5,014 GBP
$6,718 USD
View
Retailer 13
-
£5,023 GBP
A$10,355 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
£5,082 GBP
$6,809 USD
View
B+
Retailer 15
-
£5,090 GBP
$6,820 USD
View
B+
Retailer 16
-
£5,348 GBP
€6,825 EUR
View
B+
Retailer 17
-
£5,649 GBP
$7,569 USD
View
B+
Retailer 18
-
£6,015 GBP
ZAR 130,203 ZAR
View
B+
Retailer 19
-
£7,213 GBP
View
Most Expensive
B
NZ Jewellers
3130d2c9-7bea-41b7-94c5-5d7f143d0cb9 · Oct 30
£8,188 GBP
$10,971 USD
View
19 more retailers have this diamond
Prices start from £4,084 GBPSave up to £4,104 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
£4,084 GBP