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Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 2447599683

Certificate GIA 2447599683

Diamond specifications and retailer prices

From £6,435 GBP
$8,570 USD
As of October 29, 2026
Save £5,879 GBP (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,315 GBP at NZ Jewellers · As of October 27, 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 E 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 2447599683. Listed at 18 retailers as of October 27, 2026, with prices from £6,435 to £12,315, a £5,879 spread on the same certified stone. NZ Jewellers lists it at £12,315. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447599683
Dimensions8.37 × 5.35 × 3.37 mm
L/W Ratio1.56
Top View
8.37 mm5.35 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447599683
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £12,315 GBP|Low: £6,369 GBP|High: £12,315 GBP|Avg: £8,690 GBP
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
October 29, 2026
Retailer 11£6,435 GBP
Retailer 9£7,388 GBP
Retailer 13£7,388 GBP
Retailer 3£7,450 GBP
Retailer 12£8,004 GBP
Retailer 2£8,091 GBP
Retailer 10£8,127 GBP
Retailer 8£8,990 GBP
Retailer 4£9,236 GBP
Retailer 7£9,295 GBP
Retailer 5£9,722 GBP
Retailer 6£11,601 GBP
NZ Jewellers£12,315 GBP

43 data points across 13 retailers

18 retailers£6,435 GBP to £12,315 GBP

B+
Cheapest Retailer
-
£6,435 GBP
$8,570 USD
B+
Retailer 2
-
£6,762 GBP
$9,005 USD
View
B+
Retailer 3
-
£6,790 GBP
A$13,912 AUD
View
B+
Retailer 4
-
£6,855 GBP
$9,129 USD
View
B+
Retailer 5
-
£7,038 GBP
$9,373 USD
View
B+
Retailer 6
-
£7,112 GBP
CA$13,154 CAD
View
B+
Retailer 7
-
£7,388 GBP
$9,839 USD
View
B+
Retailer 8
-
£7,388 GBP
$9,839 USD
View
Final sale: no returns
B+
Retailer 9
-
£7,450 GBP
$9,921 USD
View
B
Retailer 10
-
£8,004 GBP
$10,659 USD
View
B+
Retailer 11
-
£8,091 GBP
View
B
Retailer 12
-
£8,127 GBP
$10,823 USD
View
B
Retailer 13
-
£8,990 GBP
$11,972 USD
View
B
Retailer 14
-
£9,236 GBP
$12,299 USD
View
B
Retailer 15
-
£9,295 GBP
€11,788 EUR
View
B
Retailer 16
-
£9,722 GBP
$12,947 USD
View
B
Retailer 17
-
£11,601 GBP
View
Most Expensive
B
NZ Jewellers
be5f495e-1551-4dc3-af90-195d7cea154c · Oct 27
£12,315 GBP
$16,399 USD
View
17 more retailers have this diamond
Prices start from £6,435 GBPSave up to £5,879 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.

B+
1.50ct Radiant
£6,435 GBP