Round|Natural|GIA

1.55ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2477903435

Shape and cutting style on the report: Round brilliant

Certificate GIA 2477903435

Diamond specifications and retailer prices

From £4,044 GBP
As of November 6, 2026
Save £687 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,732 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.55ct natural round diamond

This 1.55ct 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 2477903435. Listed at 2 retailers as of November 5, 2026, with prices from £4,044 to £4,732, a £687 spread on the same certified stone. Yorxs lists it at £4,732. 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

1.55
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2477903435
Dimensions7.34 × 7.38 × 4.61 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.34 mm7.38 mm1.55 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2477903435
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £4,044 GBP|Low: £4,011 GBP|High: £4,769 GBP|Avg: £4,404 GBP|+0.8%
Retailer 1
Yorxs
November 6, 2026
Retailer 1£4,044 GBP
Yorxs£4,732 GBP

42 data points across 2 retailers

2 retailers£4,044 GBP to £4,732 GBP

B
Cheapest Retailer
-
£4,044 GBP
Most Expensive
B
Yorxs
9AA4C5E09 · Nov 5
£4,732 GBP
€6,065 EUR
View
1 more retailer has this diamond
Prices start from £4,044 GBPSave up to £687 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
1.55ct Round
£4,044 GBP