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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5543365409

Certificate GIA 5543365409

Diamond specifications and retailer prices

From £3,923 GBP
As of November 4, 2026
Save £4,421 GBP (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £8,344 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 5543365409. Listed at 19 retailers as of November 4, 2026, with prices from £3,923 to £8,344, a £4,421 spread on the same certified stone. NZ Jewellers lists it at £8,344. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5543365409
Dimensions7.38 × 7.43 × 4.45 mm
L/W Ratio1.01
Top View
7.38 mm7.43 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543365409
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

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 4
Current: £8,344 GBP|Low: £3,823 GBP|High: £8,344 GBP|Avg: £5,209 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 10£3,942 GBP
Retailer 3£4,032 GBP
Retailer 18£4,172 GBP
Retailer 4£4,456 GBP
Retailer 14£4,520 GBP
Retailer 15£4,520 GBP
Retailer 16£4,520 GBP
Retailer 5£4,531 GBP
Retailer 2£4,706 GBP
Retailer 7£4,837 GBP
Retailer 8£4,837 GBP
Retailer 9£5,000 GBP
Retailer 17£5,215 GBP
Retailer 11£5,408 GBP
Retailer 6£5,500 GBP
Retailer 12£7,330 GBP
Retailer 13£7,600 GBP
NZ Jewellers£8,344 GBP

26 data points across 18 retailers

19 retailers£3,923 GBP to £8,344 GBP

A
Cheapest Retailer
-
£3,923 GBP
A
Retailer 2
-
£3,942 GBP
View
A
Retailer 3
-
£4,032 GBP
View
A
Retailer 4
-
£4,172 GBP
View
Final sale: no returns
A
Retailer 5
-
£4,456 GBP
View
A
Retailer 6
-
£4,520 GBP
View
A
Retailer 7
-
£4,520 GBP
View
Retailer 8
-
£4,520 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£4,531 GBP
View
A
Retailer 10
-
£4,706 GBP
View
B+
Retailer 11
-
£4,837 GBP
View
B+
Retailer 12
-
£4,837 GBP
View
B+
Retailer 13
-
£5,000 GBP
View
B+
Retailer 14
-
£5,215 GBP
View
B+
Retailer 15
-
£5,408 GBP
View
Retailer 16
-
£5,500 GBP
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£7,330 GBP
View
Retailer 18
-
£7,600 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
caf821d9-5a0d-4e62-ad17-65b307026dfd · Nov 5
£8,344 GBP
$11,230 USD
View
18 more retailers have this diamond
Prices start from £3,923 GBPSave up to £4,421 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 Round
£3,923 GBP