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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 7546341026

Certificate GIA 7546341026

Diamond specifications and retailer prices

From £1,731 GBP
As of November 6, 2026
Save £592 GBP (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,898 GBP at NZ Jewellers · As of October 17, 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 7546341026. Listed at 9 retailers as of November 3, 2026, with a 34% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546341026
Dimensions7.34 × 7.30 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Crystal, Natural
Top View
7.34 mm7.30 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546341026
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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 6
Current: £1,770 GBP|Low: £1,731 GBP|High: £2,869 GBP|Avg: £2,184 GBP|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£1,731 GBP
Retailer 1£1,770 GBP
Retailer 5£1,865 GBP
Retailer 4£2,292 GBP
Retailer 3£2,323 GBP
Retailer 6£2,869 GBP

24 data points across 6 retailers

9 retailers£1,731 GBP to £2,323 GBP

A
Cheapest Retailer
-
£1,731 GBP
B+
Retailer 2
-
£1,770 GBP
View
Retailer 3
-
£1,865 GBP
View
Price last confirmed 17 days ago
Retailer 4
-
£1,865 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£1,951 GBP
View
Price last confirmed 22 days ago
Retailer 6
-
£2,152 GBP
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£2,292 GBP
View
B
Retailer 8
-
£2,323 GBP
View
Most Expensive
NZ Jewellers
79c0748f-7e6e-4616-bb38-6136a2e32850 · Oct 17
£3,898 GBP
$5,247 USD
View
Price last confirmed 19 days ago
8 more retailers have this diamond
Prices start from £1,731 GBPSave up to £592 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
£1,731 GBP