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1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 6341062188

Shape and cutting style on the report: Round brilliant

Certificate GIA 6341062188

Diamond specifications and retailer prices

From £1,525 GBP
As of November 5, 2026
Save £1,664 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,188 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 6341062188. Listed at 10 retailers as of November 5, 2026, with prices from £1,525 to £3,188, a £1,664 spread on the same certified stone. NZ Jewellers lists it at £3,188. 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
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6341062188
Dimensions7.25 × 7.31 × 4.57 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
7.25 mm7.31 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6341062188
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,188 GBP|Low: £1,525 GBP|High: £3,188 GBP|Avg: £1,905 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£1,525 GBP
Retailer 7£1,525 GBP
Retailer 8£1,549 GBP
Retailer 5£1,595 GBP
Retailer 9£1,627 GBP
Retailer 2£1,759 GBP
Retailer 4£1,861 GBP
Retailer 3£2,066 GBP
Retailer 10£2,335 GBP
NZ Jewellers£3,188 GBP

37 data points across 10 retailers

10 retailers£1,525 GBP to £3,188 GBP

A
Cheapest Retailer
-
£1,525 GBP
Retailer 2
-
£1,525 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£1,549 GBP
View
A
Retailer 4
-
£1,595 GBP
View
A
Retailer 5
-
£1,627 GBP
View
B+
Retailer 6
-
£1,759 GBP
View
B+
Retailer 7
-
£1,861 GBP
View
B+
Retailer 8
-
£2,066 GBP
View
B
Retailer 9
-
£2,335 GBP
View
Most Expensive
B
NZ Jewellers
a1702a97-d279-47cf-b520-e2de2bfb17f7 · Nov 5
£3,188 GBP
$4,291 USD
View
9 more retailers have this diamond
Prices start from £1,525 GBPSave up to £1,664 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
£1,525 GBP