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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

GD • G/SI1 • GIA 6542814101

Certificate GIA 6542814101

Diamond specifications and retailer prices

From £3,555 GBP
₹453,631 INR
As of November 1, 2026
Save £4,349 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,904 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6542814101. Listed at 19 retailers as of October 30, 2026, with prices from £3,555 to £7,904, a £4,349 spread on the same certified stone. NZ Jewellers lists it at £7,904. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542814101
Dimensions7.50 × 5.54 × 3.93 mm
L/W Ratio1.35
Top View
7.50 mm5.54 mm1.50 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542814101
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.0%

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: £7,904 GBP|Low: £3,555 GBP|High: £7,951 GBP|Avg: £4,909 GBP|-0.6%
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 2, 2026
Retailer 17£3,555 GBP
Retailer 9£3,734 GBP
Retailer 14£3,862 GBP
Retailer 16£3,975 GBP
Retailer 5£4,122 GBP
Retailer 12£4,335 GBP
Retailer 8£4,396 GBP
Retailer 13£4,506 GBP
Retailer 19£4,697 GBP
Retailer 7£4,726 GBP
Retailer 10£4,726 GBP
Retailer 11£4,728 GBP
Retailer 18£4,815 GBP
Retailer 15£4,836 GBP
Retailer 2£4,845 GBP
Retailer 6£5,453 GBP
Retailer 4£5,806 GBP
Retailer 3£6,962 GBP
NZ Jewellers£7,904 GBP

25 data points across 19 retailers

19 retailers£3,555 GBP to £7,904 GBP

A
Cheapest Retailer
-
£3,555 GBP
₹453,631 INR
B+
Retailer 2
-
£3,734 GBP
$5,003 USD
View
A
Retailer 3
-
£3,862 GBP
A$7,961 AUD
View
B+
Retailer 4
-
£3,975 GBP
$5,326 USD
View
B+
Retailer 5
-
£4,122 GBP
$5,523 USD
View
B+
Retailer 6
-
£4,335 GBP
$5,809 USD
View
Final sale: no returns
B+
Retailer 7
-
£4,396 GBP
$5,890 USD
View
B+
Retailer 8
-
£4,506 GBP
View
B+
Retailer 9
-
£4,697 GBP
$6,294 USD
View
B+
Retailer 10
-
£4,726 GBP
$6,332 USD
View
B+
Retailer 11
-
£4,726 GBP
$6,332 USD
View
Retailer 12
-
£4,728 GBP
A$9,746 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£4,815 GBP
$6,451 USD
View
B+
Retailer 14
-
£4,836 GBP
$6,480 USD
View
B+
Retailer 15
-
£4,845 GBP
€6,183 EUR
View
B+
Retailer 16
-
£5,453 GBP
$7,306 USD
View
B+
Retailer 17
-
£5,806 GBP
ZAR 125,681 ZAR
View
B
Retailer 18
-
£6,962 GBP
View
Most Expensive
B
NZ Jewellers
72924124-b0f4-4c68-8aaf-3ad20e661003 · Oct 30
£7,904 GBP
$10,590 USD
View
18 more retailers have this diamond
Prices start from £3,555 GBPSave up to £4,349 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
£3,555 GBP