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Round|Natural|GIA

1.54ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 6521942541

Certificate GIA 6521942541

Diamond specifications and retailer prices

From £1,999 GBP
As of November 5, 2026
Save £31 GBP (2%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,425 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct 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 6521942541. Listed at 6 retailers as of November 5, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.54
Carat
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6521942541
Dimensions7.32 × 7.34 × 4.54 mm
L/W Ratio1.00
Top View
7.32 mm7.34 mm1.54 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6521942541
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°CuletDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £3,425 GBP|Low: £1,890 GBP|High: £3,425 GBP|Avg: £2,398 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£1,890 GBP
Retailer 3£1,999 GBP
Retailer 2£2,031 GBP
Retailer 5£2,754 GBP
NZ Jewellers£3,425 GBP

24 data points across 5 retailers

6 retailers£1,999 GBP to £2,031 GBP

Retailer 1
-
£1,638 GBP
Price last confirmed 21 days ago
Retailer 2
-
£1,714 GBP
View
Price last confirmed 22 days ago
Retailer 3
-
£1,890 GBP
View
Price last confirmed 16 days ago
B+
Retailer 4
-
£1,999 GBP
View
B+
Retailer 5
-
£2,031 GBP
View
Most Expensive
NZ Jewellers
6a442681-4a5f-4d25-81c8-14e0904acf94 · Oct 20
£3,425 GBP
$4,610 USD
View
Price last confirmed 16 days ago
5 more retailers have this diamond
Prices start from £1,999 GBPSave up to £31 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.

B+
1.54ct Round
£1,999 GBP