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1.54ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 7408760733

Certificate GIA 7408760733

Diamond specifications and retailer prices

From £3,145 GBP
As of November 5, 2026
Save £296 GBP (9%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,441 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7408760733. Listed at 3 retailers as of November 5, 2026, with a relatively tight 9% 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7408760733
Dimensions7.30 × 7.35 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.30 mm7.35 mm1.54 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7408760733
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £3,441 GBP|Low: £3,145 GBP|High: £3,498 GBP|Avg: £3,320 GBP|+0.8%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£3,145 GBP
Retailer 2£3,343 GBP
77 Diamonds£3,441 GBP

37 data points across 3 retailers

3 retailers£3,145 GBP to £3,441 GBP

B
Cheapest Retailer
-
£3,145 GBP
B
Retailer 2
-
£3,343 GBP
View
Most Expensive
B
77 Diamonds
RBJAVURFQBV · Nov 6
£3,441 GBP
View
2 more retailers have this diamond
Prices start from £3,145 GBPSave up to £296 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
£3,145 GBP