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Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6555588932

Certificate GIA 6555588932

Diamond specifications and retailer prices

From £3,076 GBP
₹390,125 INR
As of October 29, 2026
Save £3,731 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,807 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 6555588932. Listed at 16 retailers as of October 27, 2026, with prices from £3,076 to £6,807, a £3,731 spread on the same certified stone. NZ Jewellers lists it at £6,807. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555588932
Dimensions7.88 × 5.62 × 3.75 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
7.88 mm5.62 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555588932
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.8%

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: Oct 29
Current: £6,807 GBP|Low: £3,016 GBP|High: £6,852 GBP|Avg: £4,072 GBP|-0.7%
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
October 29, 2026
Retailer 10£3,076 GBP
Retailer 14£3,219 GBP
Retailer 15£3,550 GBP
Retailer 6£3,698 GBP
Retailer 5£3,734 GBP
Retailer 8£3,933 GBP
Retailer 9£4,043 GBP
Retailer 11£4,043 GBP
Retailer 12£4,043 GBP
Retailer 7£4,212 GBP
Retailer 2£4,235 GBP
Retailer 13£4,345 GBP
Retailer 3£4,696 GBP
Retailer 4£6,492 GBP
NZ Jewellers£6,807 GBP

31 data points across 15 retailers

16 retailers£3,076 GBP to £6,807 GBP

A
Cheapest Retailer
-
£3,076 GBP
₹390,125 INR
A
Retailer 2
-
£3,219 GBP
$4,287 USD
View
Final sale: no returns
A
Retailer 3
-
£3,550 GBP
$4,728 USD
View
A
Retailer 4
-
£3,698 GBP
$4,924 USD
View
A
Retailer 5
-
£3,734 GBP
$4,972 USD
View
A
Retailer 6
-
£3,933 GBP
View
A
Retailer 7
-
£4,043 GBP
$5,384 USD
View
A
Retailer 8
-
£4,043 GBP
$5,384 USD
View
A
Retailer 9
-
£4,043 GBP
$5,384 USD
View
A
Retailer 10
-
£4,212 GBP
$5,610 USD
View
A
Retailer 11
-
£4,235 GBP
$5,640 USD
View
A
Retailer 12
-
£4,345 GBP
€5,510 EUR
View
Retailer 13
-
£4,666 GBP
$6,213 USD
View
Price last confirmed 53 days ago
A
Retailer 14
-
£4,696 GBP
$6,254 USD
View
B+
Retailer 15
-
£6,492 GBP
View
Most Expensive
B
NZ Jewellers
d9ec12b6-3368-4357-af8b-d667c6038616 · Oct 27
£6,807 GBP
$9,065 USD
View
15 more retailers have this diamond
Prices start from £3,076 GBPSave up to £3,731 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
£3,076 GBP