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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 6234382433

Certificate GIA 6234382433

Diamond specifications and retailer prices

From £1,739 GBP
As of November 5, 2026
Save £1,898 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,637 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6234382433. Listed at 10 retailers as of November 5, 2026, with prices from £1,739 to £3,637, a £1,898 spread on the same certified stone. NZ Jewellers lists it at £3,637. 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6234382433
Dimensions7.41 × 7.43 × 4.41 mm
L/W Ratio1.00
Star length50%
Lower girdle70%
Top View
7.41 mm7.43 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6234382433
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.4%

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 5
Current: £3,637 GBP|Low: £1,676 GBP|High: £3,637 GBP|Avg: £2,122 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£1,739 GBP
Retailer 5£1,739 GBP
Retailer 6£1,739 GBP
Retailer 7£1,820 GBP
Retailer 4£2,007 GBP
Retailer 2£2,123 GBP
Retailer 3£2,165 GBP
NZ Jewellers£3,637 GBP

30 data points across 8 retailers

10 retailers£1,739 GBP to £3,637 GBP

A
Cheapest Retailer
-
£1,739 GBP
Retailer 2
-
£1,739 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£1,739 GBP
View
Retailer 4
-
£1,739 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£1,820 GBP
View
B+
Retailer 6
-
£2,007 GBP
View
B+
Retailer 7
-
£2,123 GBP
View
B+
Retailer 8
-
£2,165 GBP
View
Retailer 9
-
£3,505 GBP
View
Price last confirmed 69 days ago
Most Expensive
C
NZ Jewellers
4e9fca6d-c93b-416d-9e94-1d3f03e89934 · Nov 5
£3,637 GBP
$4,895 USD
View
9 more retailers have this diamond
Prices start from £1,739 GBPSave up to £1,898 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
£1,739 GBP