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Radiant|Natural|GIA

1.50ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 6535610601

Certificate GIA 6535610601

Diamond specifications and retailer prices

From £2,780 GBP
$3,725 USD
As of October 31, 2026
Save £2,511 GBP (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,291 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535610601. Listed at 7 retailers as of October 30, 2026, with prices from £2,780 to £5,291, a £2,511 spread on the same certified stone. NZ Jewellers lists it at £5,291. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.64°
Pavilion angle30.11°
OriginNatural
Grading LabGIA
CertificateGIA 6535610601
Dimensions7.21 × 5.57 × 3.88 mm
L/W Ratio1.29
Top View
7.21 mm5.57 mm1.50 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535610601
Side View
Table 65.0%Crown 44.64°Girdle: ThickPavilion 30.11°Culet: NoneDepth 69.6%

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 31
Current: £5,291 GBP|Low: £2,780 GBP|High: £5,624 GBP|Avg: £3,745 GBP|-5.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£2,780 GBP
Retailer 2£2,942 GBP
Retailer 6£3,037 GBP
Retailer 7£3,037 GBP
Retailer 4£3,144 GBP
Retailer 8£3,534 GBP
Retailer 9£3,567 GBP
Retailer 3£5,079 GBP
NZ Jewellers£5,291 GBP

34 data points across 9 retailers

7 retailers£2,780 GBP to £5,291 GBP

A
Cheapest Retailer
-
£2,780 GBP
$3,725 USD
A
Retailer 2
-
£2,942 GBP
View
A
Retailer 3
-
£3,037 GBP
$4,069 USD
View
A
Retailer 4
-
£3,037 GBP
$4,069 USD
View
A
Retailer 5
-
£3,144 GBP
$4,212 USD
View
B+
Retailer 6
-
£5,079 GBP
View
Most Expensive
B+
NZ Jewellers
1cf15e95-fae7-4915-8f84-7598665e4b28 · Oct 30
£5,291 GBP
$7,089 USD
View
6 more retailers have this diamond
Prices start from £2,780 GBPSave up to £2,511 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
£2,780 GBP